Measurement, Matter, Measurement, Matter, Mixtures and DensityMixtures and Density

Presented byPresented by

Mike Mike

BaldwinBaldwin

Part IPart I: Mass: Mass

What has more mass, 3 grams What has more mass, 3 grams of paper or 3 grams of water?of paper or 3 grams of water?

Write one safety rule for using Write one safety rule for using the following tools and the following tools and

materials: materials: a balancea balance paperpaper waterwater gram weightsgram weights

In groups use your balance to In groups use your balance to determine which has more mass: determine which has more mass:

3 grams of paper3 grams of paperor or

3 grams of water3 grams of water

In your notebook draw a In your notebook draw a picture of your results:picture of your results:

VocabularyVocabulary MassMass

balancebalance

fulcrumfulcrum

gram weightgram weight

gramgram

Part II: LengthPart II: Length

How long is the world’s longest How long is the world’s longest snake?snake?

Read the first paragraph of the Read the first paragraph of the news article and answer the news article and answer the

questions that follow:questions that follow:1.1. How long was the snake?How long was the snake?

2.2. What was the mass of the snake?What was the mass of the snake?

3.3. Where was the snake found?Where was the snake found?

4.4. What was the name of the tribe who What was the name of the tribe who found the snake?found the snake?

What safety rules would be What safety rules would be important to follow in the important to follow in the

classroom when measuring classroom when measuring large snakes?large snakes?

Write one safety rule in your Write one safety rule in your notebook.notebook.

Estimating the length of the Estimating the length of the snakesnake

Everyone should pair up with a partner and line Everyone should pair up with a partner and line up against one wall of the cafeteria.up against one wall of the cafeteria.

Your partner should walk until you estimate Your partner should walk until you estimate there is a distance of 14 meters between you.there is a distance of 14 meters between you.

Put a post it note at the point of your estimate.Put a post it note at the point of your estimate. Measure the distance and record in your note Measure the distance and record in your note

book.book. Subtract the distance from 14 meters to find out Subtract the distance from 14 meters to find out

how close you were to the correct distance.how close you were to the correct distance.

Read paragraph 3 and Read paragraph 3 and answer the questions that answer the questions that

follow:follow:1.1. What was the old record for the What was the old record for the

longest snake?longest snake?

2.2. How much longer was the snake How much longer was the snake found by the Kubu tribe?found by the Kubu tribe?

In paragraph 4 the snake was In paragraph 4 the snake was measured and found to be only measured and found to be only

7 meters long.7 meters long.1.1. How much shorter is the snake than How much shorter is the snake than

the original estimate?the original estimate?

2.2. How much shorter is this snake than How much shorter is this snake than the world record?the world record?

3.3. How would you explain why the How would you explain why the estimate was so far off the true estimate was so far off the true measurement?measurement?

VocabularyVocabulary

lengthlength metermeter meter tapemeter tape

Part III: Solutions and Part III: Solutions and MatterMatter

How is a bag of marbles like a How is a bag of marbles like a bag of water?bag of water?

Using marbles to represent Using marbles to represent water water

1.1. Add two packages of sugar to the Add two packages of sugar to the cup with marbles.cup with marbles.

2.2. Shake the cup gentlyShake the cup gently3.3. Observe the cupObserve the cup

Where did the sugar go? What Where did the sugar go? What happens if two package of sugar happens if two package of sugar are added to a cup of water?are added to a cup of water?

What will have more mass: A What will have more mass: A cup with marbles or a cup with cup with marbles or a cup with

marbles and sugar?marbles and sugar?

What will happen when two What will happen when two packages of sugar are added packages of sugar are added

to water?to water?

What is this mixture called?What is this mixture called?

Why is it a mixture?Why is it a mixture?

How can the sugar be How can the sugar be separated from the water?separated from the water?

What safety rules should you What safety rules should you follow when using the following follow when using the following tools and materials:tools and materials:waterwatersugarsugargraduated cylindergraduated cylinderplastic cupplastic cup

What could you do to remind What could you do to remind yourself what kind of powder is yourself what kind of powder is in a cup with sugar?in a cup with sugar?

How can you determine which How can you determine which cup has pure water and which cup has pure water and which cup has sugar water without cup has sugar water without

tasting the water?tasting the water?Use the following tools:

Balance

Graduated cylinder

Clear cups

Draw and label a picture in Draw and label a picture in your notebook to show your your notebook to show your

results.results.

3 States of matter3 States of matter

liquidliquid

States of matterStates of matter

How is a bag of marbles like How is a bag of marbles like a bag of water?a bag of water?

Do you think a bag of Do you think a bag of marbles is a good model for marbles is a good model for

water?water?

Why or why not?Why or why not?

VocabularyVocabulary

volumevolume graduated cylindergraduated cylinder solutionsolution mixturemixture millilitermilliliter liquidliquid solidsolid gasgas

Part IV: DensityPart IV: Density

What will happen if oil and What will happen if oil and water are mixed?water are mixed?

Review of units and tools of Review of units and tools of measurementmeasurement

UnitUnit Picture of Picture of tooltool

Name of Name of tooltool

LengthLength

MassMass

VolumeVolume

TemperatuTemperaturere

Draw a picture of what Draw a picture of what happened when the oil and happened when the oil and

water were mixed.water were mixed.

What has more mass: 50 ml of What has more mass: 50 ml of water or 50 ml of oil?water or 50 ml of oil?

Write a safety rule for using Write a safety rule for using the following tools and the following tools and

materials:materials: OilOil WaterWater Plastic cupsPlastic cups BalanceBalance Paper towelsPaper towels Graduated cylinderGraduated cylinder

Use the tools below to Use the tools below to determine which has more determine which has more

mass 50 ml of water or 50 ml mass 50 ml of water or 50 ml of oil?of oil? 2 graduated cylinders2 graduated cylinders

2 plastic cups2 plastic cups Vegetable oilVegetable oil WaterWater BalanceBalance

Draw a picture and label your Draw a picture and label your results in your notebook.results in your notebook.

DensityDensity

Write more or less in the blanks:Write more or less in the blanks:

When a substance has the same When a substance has the same volume but less mass it is _____ volume but less mass it is _____ dense. dense.

When a substance is the same When a substance is the same volume but has more mass it is volume but has more mass it is ____dense.____dense.

Density: A measure of how Density: A measure of how heavy a solid, liquid, or gas is heavy a solid, liquid, or gas is

for its size. for its size.

Density is expressed in mass Density is expressed in mass per unit volume, that is, grams per unit volume, that is, grams

per cubic centimeter. per cubic centimeter.

The density of water is 1 gram The density of water is 1 gram per cubic centimeter. per cubic centimeter.

VocabularyVocabulary Graduated cylinderGraduated cylinder BalanceBalance VolumeVolume MassMass LengthLength TemperatureTemperature CelsiusCelsius GramGram millilitermilliliter DensityDensity

Read the article on the Read the article on the Dead Sea.Dead Sea.

Is the water in the Dead Sea more or less Is the water in the Dead Sea more or less dense that pure water?dense that pure water?

Explain why the density of the Dead Sea is Explain why the density of the Dead Sea is different than other oceans.different than other oceans.

What happens to animals that get into the What happens to animals that get into the Dead Sea?Dead Sea?