Unit1-Investigating Questions. Lesson3-How Do Scientists ...A tadpole has lungs that help to get...

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Unit1-Investigating Questions.

Lesson3-How Do Scientists Use Tools?

New vocabulary:

Microscope Graduated cylinder Magnifying box

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Forceps Dropper Thermometer

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Lesson summary:

1. A microscope, a magnifying box, and a hand lens are

magnifying tools make objects look larger.

2. A microscope magnifies objects that are too tiny to be seen

with the eye alone.

3. You can measure length with rulers and tape measures.

4. The volume of a liquid can be measured with graduated

cylinders, measuring cups, or spoons.

5. Clocks and stopwatches are tools that measure time.

6. A thermometer is the science tool used to measure

temperature.

I. Choose the correct answer:

1. Which tool is used to pick up tiny objects?

A. A hand lens. B. A magnifying box.

C. A microscope. D. A forceps.

2. Which tool is used to measure volume of liquids?

A. A Thermometer. B. A graduated cylinder.

C. Clocks. D. A dropper.

3. Which tool can you use to measure time?

A. A stop watch. B. A magnifying box.

C. A ruler. D. A hand lens.

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II. Match the following:

1. A microscope

2. A graduated cylinder

3. Forceps

4. A dropper

5. A magnifying box

4

III. Write T (True) or F (False) for the following:-

1. Forceps are used to pick up big objects. ( )

2. A microscope magnifies tiny organisms that have not seen with

eyes. ( )

3. A magnifying box helps see things that are hard to hold. ( )

4. The basic unit of mass is the gram. ( )

5. A graduated cylinder is used to measure the volume. ( )

6. Clocks and stop watches are tools that measure temperature.

( )

7. The second is the unit of time. ( )

8. A dropper is used to move small amount of liquids. ( )

IV. Draw a science tool helps you to know how many milliliters

your water is.

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V. Define the following:-

a. Microscope:-

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b. Graduated cylinder:-

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c. Temperature:-

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VI. Answer the following:-

1. What is the unit of mass and volume?

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2. Which two units does the normal thermometer use to measure

temperature?

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Unit3-Plants and Animals.

Lesson1-What Are Some Plants Life Cycle?

New vocabulary:

Germinate Reproduce Pollination

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Pollen Spores Cones

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Lesson summary:-

1. A life cycle is the stages an organism goes through during its life.

2. A flower is the part of some plants that enables them to

reproduce.

3. Flowers have male parts and female parts that are involved in

reproduction.

4. Cones are the parts of some seed plants where reproduction

occurs.

5. Pollen is a powder-like material involved in plant reproduction.

6. Pollination happens when pollen is moved from the male plant

part to the female plant part.

7. Spores are reproductive structures that can grow into new plants.

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I. Write T (True) or F (False) for the following:-

1. A seedling is a tiny new plant that comes out of the seed. ( )

2. Cones do not develop into fruit. ( )

3. Pollens do not play any role in plant reproduction. ( )

4. Wind, water, and animals help in pollination. ( )

5. Spores are reproductive structures. ( )

II. Fill in the blanks using the words in the box:

Germinate Cone Reproduce Spores Pollination

1. ________________happens when pollen moves from the male

part of plant to a female part.

2. Moss is a plant that reproduces using only ________________.

3. Some plants do not have flowers, instead, they have

____________________.

4. A flower is the part of some plants that enables them to

__________________.

5. A seed _________________ when it breaks open and a small plant

grows out of it.

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III. Choose the correct answer:

1. What is called when a seed starts to grow?

A. Germinate. B. Pollinate.

C. A seedling. D. Reproduce.

2. The colorful part of a plant that helps it reproduce is called:

A. A seed. B. A pollen.

C. Ones. D. A flower.

3. The powder-like material that helps plants reproduce is called:

A. The seed. B. The pollen.

C. The root. D. The flower.

4. What are the ways that can carry seeds from one part to another?

A. Wind. B. Water.

C. Animals. D. A,B&C.

IV. Look at this picture for dandelion seeds; what is the way

that carry these seeds away to new ground?

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a. Life cycle:-

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b. Germinate:-

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c. Reproduce:-

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d. Pollination:-

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1. How many times can a plant life cycle repeat?

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2. Why do you think flowers have pretty colors and smells?

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3. Where are the spores located on ferns?

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Lesson2- What Are Some Animal Life Cycles?

New vocabulary:

Metamorphosis Larva Pupa

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Tadpole. Nymph.

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Lesson summary:

1. Metamorphosis is a major change in the body form of an animal

during its life cycle.

2. Animals reproduce in different ways; some animals lay eggs and

others give birth to live young.

3. A tadpole is an immature frog that must live in the water; it has

gills and long tail.

4. A nymph is the second stage of incomplete metamorphosis.

5. Diversity means different characteristics.

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I. Write T (True) or F (False)for the following:-

1. All animals reproduce in the same way. ( )

2. The frog goes through incomplete metamorphosis. ( )

3. A tadpole has lungs that help to get oxygen. ( )

4. An adult frog uses gills to breathe. ( )

5. A nymph is the second stage of incomplete metamorphosis. ( )

6. A grasshopper goes through incomplete metamorphosis. ( )

7. Diversity is what makes everyone different from one another.( )

II. Choose the correct answer:

1. In frog’s life cycle; the egg becomes:

A. Tadpole. B. Adult frog.

C. Larva. D. Pupa.

2. In grasshopper’s life cycle; the________ is the first stage of

incomplete metamorphosis.

A. Larva. B. Egg.

C. Nymph. D. Nose.

3. A tadpole breathes under water by:

A. Lungs. B. Skin.

C. Gills. D. Nose.

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Q3-Put the following life cycles in order:

1-

2-

3-

4-

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IV. Define the following:-

a. Metamorphosis:-

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V. Answer the following:-

1. How are tadpoles different from adult frogs?

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2. How are caterpillars and butterflies related?

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3. How can a person with red hair be born from two people with

brown hair?

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Lesson4-What Are Structural Adaptations?

New vocabulary:

Adaptation Camouflage Adaptation

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Mimicry Prey Predator

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Lesson summary:

1-An adaptation is any trait that helps a living things survive.

2-Prey are animals that are hunted for food.

3-Predators are animals that hunt prey.

4-Camouflage: when animals hide by their shapes, colors, or

patterns.

5-Mimicry is imitating the look of another animal.

Mimicry makes the harmless animal looks like the harmful animal.

I. Fill in the blanks using the words in the box:

Adaptation - Camouflaged - Mimicry - Prey - Predator Long ears - Sharp teeth - Bitter taste

1. The __________________ of unripe blackberries is an adaptation.

2. Jackrabbit that lives in the desert adapted to its environment by

____________________.

3. When a lion hunts a deer, the lion is a ___________ while the deer is

a______________________.

4. ___________________ is any trait that helps a living things survive.

5. ____________________ of the tiger helps it tear meat.

6. Animal is _________________ when it hides with its color, shape, or

patterns.

7. ___________________ is imitating the look of another animal.

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II. Match the following:-

1. What is the plant that has bitter

taste until it is ripe?

2. What is the plant that blends into

the back ground of rocks?

3. What is the animal that has sharp

teeth to tear meet?

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III. Match the animals with their adaptations:

1. Flat teeth.

2. Small ears.

3. Its spray has bad odor.

4. Mimicry.

5. Camouflage.

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a. Adaptation:-

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b. Camouflage:-

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c. Mimicry:-

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1. Why do you think dogs bark?

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2. When is a skunk most likely to release its spray?

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3. How can camouflage be useful to predators?

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Lesson6-What Are Behavioral Adaptations?

New vocabulary:

Behavior Learned behavior Instinct

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Hibernation Migration

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Lesson summary:

1. A behavior is anything an organism does.

2. Learned behaviors are behaviors that come from watching other

animals or though experience.

3. An instinct is a behavior that animal knows without learning it.

4. Hibernation is a deep, sleeplike state that helps animals survive

the cold winter conditions.

5. Migration is movements of animals a long distance as a group

from one region to another and back.


Behavior. Learned behaviors. Instinct. Hibernation. Migration.

1. _____________________ is a deep, sleeplike state.

2. An________________ is a behavior that an animal knows without

learning it.

3. __________________is movements of animals from one region

to another and back.

4._______________ are behaviors that come through experience.

5. A_____________________ is anything an organism does.

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II. Write T (True) or F (False) for the following:

1. A learned behavior comes without learning. ( )

2. Searching for food is an instinct. ( )

3. Knowing how to find and catch food is a learned behavior. ( )

4. During hibernation state the animal becomes more active. ( )

5. The normal body activities become slower in hibernating animals.

( )

6. A hibernating animal stores enough fat in its body to keep it alive

during hibernation. ( )

7. Hibernation happens in the summer. ( )

8. Whales migrate to mate and give birth. ( )

III. Define the following:-

a. Behavior:-

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b. Migrate:-

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c. Hibernate:-

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III. Answer the following:-

1. How do you think a bird knows how to fly?

…………………………………………………………………………………………………………..

2. What do animals use to make their shelter?

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3. Why do you think animals hibernate in the winter and not the

summer?

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Unit4-Ecosystems and Interactions.

Lesson1-What Are Ecosystems?

New vocabulary:

Habitat Ecosystem Population

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Community Environment

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Lesson summary:

1. An environment includes living and nonliving things.

2. An ecosystem is the interactions between the living and nonliving

things in a place.

3. A habitat is the space where a plant or animal lives.

4. A population is all of one kind of organism living in the same area.

5. A community is all of the populations that live and interact in an

area.

I. Match the following:-

1. Ocean ecosystem.

2. River ecosystem.

3. Desert ecosystem.

4. Ecosystem on mountains.

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II. Choose the correct answer:

1. An ecosystem includes:

A. Living things only.

B. Nonliving things only.

C. Living and nonliving things.

D. Plants and animals only.

2. A frog’s habitat is:

A. Everything around the frog.

B. A pond.

C. An ocean environment.

D. A river.

3. A population is all of __________ of organism living in the same

area.

A. Two kinds.

B. One kind.

C. Different kinds.

D. Three kinds.

4. The rivers are an ecosystem made of:

A. Salt water.

B. Fresh water.

C. Grass and trees.

D. Sand.

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5. Kangaroo rats live in:

A. Desert ecosystem. B. River ecosystem.

C. Mountain ecosystem. D. Ocean ecosystem.

II. Write T (True) or F (False) for the following:-

1. Ocean ecosystem contains fresh water. ( )

2. A habitat is a place where plants or animals live. ( )

3. In an ecosystem, the living things do not interact with each other.

( )

4. A crab’s habitat is on the sand. ( )

5. A community contains only one population. ( )

6. Plants and animals can survive with little amount of water in the

desert environment. ( )


a. Environment:-

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b. Population:-

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c. Community:-

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III. Answer the following:-

1. What does ocean water taste like?

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2. What bodies of water have fresh water in them?

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3. When bison and wolves interact with each other in the same place,

what do they make up?

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Lesson3- What Is Food Chain?

New vocabulary:

Producer Photosynthesis Consumer Food chain

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Herbivore Carnivore Omnivores Decomposer

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Lesson summary:

1. A producer is a living that makes its own food.

2. Photosynthesis is the process a plant uses to make food.

3. A consumer is a living things that eats other living things.

4. A herbivore is an animal that only eats plants.

5. A carnivore is a meat-eating animal.

6. An omnivore is an animal that eats both plants and animals.

7. A decomposer is an organism that breaks down dead organisms

for food.

8. A food chain shows the path of food from one living thing to

another.


Producer Photosynthesis Consumers Herbivore Decomposers

1. Earthworms, bacteria, and mushrooms are examples of

____________________.

2. A _____________________ is an animal that only eats plants.

3. The process a plant uses to make food is called_________________.

4. The animals are ______________________.

5. A ____________ is a living thing that makes its own food.

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II. Write the food chain in order.

Which animal is a predator?

Which animal is prey?

III. Label each animal as herbivore, carnivore or omnivore.

_________________ ________________

___________________ ____________________

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a. Producer:-

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b. Consumer:-

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c. Food chain:-

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d. Decomposer:-

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e. Photosynthesis:-

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1. What is the difference between a herbivore and a carnivore?

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2. Where does the energy in food chains come from?

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3. What are crops? Why are they so important?

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4. Why are all animals consumers?

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Lesson5- How Do Environmental Changes Affect Living

Things?

New vocabulary:

Erosion. Flood. Drought.

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Lesson summary:

1- Erosion is when small pieces of rock are carried away by water and

sometimes by wind.

2- A flood is a large amount of water that covers normally dry land.

3- A drought occurs when it does not rain for a long time.


1. Fire effects can be both positive and negative. ( )

2. An erosion is a large amount of water covers a dry land. ( )

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3. Long droughts force people and animals look for new places to live.

( )

4. Building dams and mounds by some animals does not affect the

environment. ( )

5. Some algae are harmful and cause disease. ( )

6. Recycling, bicycling, and planting trees are not helpful. ( )

II. Fill in the blanks using the words in the box below:

Pollute Cleaning up pollution Algae Fire

1. People can help plants and animals survive by_______________

2. Plants and animals are made sick by ________________

3. One positive effect of ________________ is ashes that add

nutrients to the soil.

4. The exhaust from the cars and trucks can ________________ the

environment.

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III. Match the following Earth’s changes with their effects:

1-An erosion. ____Ashes form burned plants add nutrients to the soil.

2-Flood. ____habitats for plants, animals, and people disappear.

3-Wildfires. ____heavy rains cause plants wilt and die.


a. Erosion:-

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b. Flood:-

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c. Drought:-

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1. What is the difference between a flood and a drought?

…………………………………………………………………………………………………..…………

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2. What does cutting down trees do to a forest ecosystem?

…………………………………………………………………………………………………..…………

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3. How exactly does turning off lights conserve resources?

…………………………………………………………………………………………………..…………

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Unit5- Changes to Earth’s Surface.

Lesson1- What Are Some Landforms?

New vocabulary:

Landform Valley Canyon

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Mountains Plain Plateau

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Lesson summary:

1. A landform is a part of Earth’s surface that has a certain shape and is

formed naturally.

2. A valley is the low land between mountains or hills.

3. A mountain is a landform that is much higher than the surrounding

land.

4. A canyon is a valley with steep sides.

5. A plain is flat land that spreads out over a long distance.

6. A plateau is flat but higher than the land around it.


1. The crust is made up of solid rock. ( )

2. Earth’s outer core is a layer of a solid material. ( )

3. A landform that is rounded but smaller than mountain is the valley.

( )

4. A valley is the high land between mountains or hills. ( )

5. A plateau is higher than a plain. ( )

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II. Label the Earth’s layers:

III. Match the following:-

1. A mountain.

____ spreads out over a long

distance.

2. A plateau. ____ higher than the land around

it.

3. A valley. ____ low land between

mountains.

4. A plain.

____ May be thousands of feet

high.

Crust

Inner core

Outer core

Mantle

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IV. Choose the correct answer:-

1-Which is the Earth’s outer layer?

A- Crust. B-Inner core.

C-Mantle. D-Outer core.

2. What is the layer below Earth’s crust?

A. Outer core. B. Inner core.

C. Crust. D. Mantle.

3. What is the landform that is rounded and smaller than mountain?

A. A hill. B. A canyon.

C. A plain. D. A valley.

IV. Put the layers of Earth in order, start from outside:

Crust Inner core Earth’s surface Outer core

_____ ______ _______ ______

Mantle

______


a. Landform:-

…………………………………………………………………………………………………..……

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b. Mountain:-

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c. Plateau:-

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1. What could cause the surface of Earth to change?

…………………………………………………………………………………………………..……

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Lesson2- How Does Earth’s Surface Change Slowly?

New vocabulary:

Weathering Erosion Glacier

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.............................. ..................................... .................................

.............................. ..................................... ..............................

.............................. ..................................... .............................

.............................. ..................................... ..............................

Lesson summary:

1. Weathering is the breaking down of rock into smaller pieces.

2. Erosion happens when soil, rock, or sand are moved.

3. A delta is full of rich soil that is great place for plants to grow.

4. A glacier is a large thick sheet of moving ice.


1. Erosion is the breaking down of rock into smaller pieces. ( )

2. Weathering is a fast change. ( )

3. Weathering is often caused by patterns of freezing and thawing.

( )

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4. Glaciers are not a cause of erosion. ( )

5. River delta forms as a result of an erosion. ( )

6. Weathering and erosion are two processes that change the shape of

Earth’s surface. ( )

II. Fill in the blanks using the words in the box:

Weathering Erosion Glacier Delta

1. A _________________ is a large, moving sheet of ice.

2. __________________ is breaking of rock into smaller pieces.

3. When wind and water move rocks, sand, or soil, _____________

happens.

4. The rich soil of _____________ is a great place for plants to grow.


a. Weathering:-

…………………………………………………………………………………………………………

…………………………………………………………………………………………………………

…………………………………………………………………………………………………………

b. Erosion:-

…………………………………………………………………………………………………………

…………………………………………………………………………………………………………

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c. Glacier:-

…………………………………………………………………………………………………………

…………………………………………………………………………………………………………

…………………………………………………………………………………………………………

IV. Answer the following:-

1. How is ocean water different from river water?

………………………………………………………………………………………………………………

………………………………………………………………………………………………………………

………………………………………………………………………………………………………………

2. What can cause weathering?

………………………………………………………………………………………………………………

………………………………………………………………………………………………………………

3. Which cause of erosion is a large, thick sheet of moving ice?

……………………………………………………………………………………………………………

…………………………………………………………………………………………………………….

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Lesson4- How Does Earth’s surface Change Quickly?

New vocabulary:

Earthquake Volcano Flood

…………………………………… ………………………………… ………………………

…………………………………… ……………………………… …………………………

…………………………………… …………………………………… …………………………

…………………………………… …………………………………… …………………………

…………………………………… …………………………………… …………………………

Lesson summary:

1. Earthquake is a shaking of Earth’s surface.

2. A volcano is a mountain made of cooled lava, ash, or other

materials from eruptions.

3. A flood is a change that happens when streams, rivers, or lake get

too full and overflow.

I. Write T (True) or F (False) for the following:

1. Earthquake and volcano happen due to movements in Earth’s crust.

( )

2. A flood is a fast change can destroy cities, plants, and animals.

( )

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3. Too much rain cannot cause a flood. ( )

4. Earthquake can cause buildings to fall over. ( )

5. The lightning can cause forest fire. ( )

II. Match each landform with its picture:

1. Flood

2. A volcano

3. Earthquake

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III. Fill in the blanks using the words in the box:

Magma Flood Lava Ash Volcano

1. __________________ is a red-hot melted rock, comes up from

underground.

2. A volcano is a mountain made up of ______________, ___________

and other materials.

3. Too much rain can cause a _______________

4. When a _______________ erupts, it can cause a lot of damage.


a. Earthquake:-

…………………………………………………………………………………………………..……

………………………..…………………………………………………………………..…………

……………………………………………………………………………………………………….

b. Volcano:-

…………………………………………………………………………………………………..……

………………………..…………………………………………………………………..…………

……………………………………………………………………………………………………….

c. Flood:-

…………………………………………………………………………………………………..……

………………………..…………………………………………………………………..…………

……………………………………………………………………………………………………….

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1. How do changes in Earth’s crust cause earthquakes?

…………………………………………………………………………………………………..……

…….…………………..…………………………………………………………………..…………

…………..……………………………………………………………………………………………

………………………………………………………………………………………………………..

2. Why do some areas have earthquakes more often than others?

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……..…………………..……………………………………………………………….…..………

…………….……………………………………………………………………………………………

3. Write emergency list.

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