Physical Science Review

Mimio Vote

Question 1

• Which of the following is the best testable question for a science experiment?– A. What type of soda do students prefer?– B. Does temperature affect the rate of plant

growth?– C. How long does it take to get to the moon?– D. How do rockets work?

Question 2 • Shawn wanted to find out how the number of

coils on a electromagnet affected its strength. He used the data shown below to conclude that 10 coils creates the strongest magnet. What can he do to increase the reliability of his experiment?

• A. Complete two more trials• B. Use a different wire• C. Use larger paper clips• D. Use a stronger battery

Number of coils

5 10 15

Number of paperclips attracted

1 5 3

Question 3

• Based on the chart, what is a valid conclusion?• A. Objects that are more dense float?• B. Objects that are cubes sink• C. Objects that are less dense than water sink• D. Objects that are less dense than water float

Object Float or Sink Density compared to water

Steel cube Sink More

Oak Cube Float Less

Acrylic Cube Float Less

Question 4

• Donna is observing a candle to learn about different forms of energy. What forms of energy come from the flame of a candle?

• A. Electrical and solar• B. Light and sound• C. Light and thermal• D. Thermal and solar

Question 5

• Which of the following is a valid conclusion based on the information in the chart above?

• A. All solids are magnetic• B. All conductors of electricity are also magnetic• C. While most metals conduct electricity, not all metals are magnetic• D. Copper is a magnetic solid

Item Conductor? State of matter

Magnetic?

Iron Yes Solid Yes

Aluminum Yes Solid No

Rubber No Solid No

Question 6 • Mario stirs 5 grams of salt into a beaker containing 100 ml of

water for 90 seconds. Then he stirs 30 grams of salt into a beaker containing 100 ml of water for 90 seconds. Then he leaved the beakers on a windowsill for seven days observing the changes. What question Mario most likely testing?

• A. Does the amount of water affect how long it takes for water to dissolve

• B. Does the salt dissolve in water?• C. How long does it take for the water to evaporate?• D. Does the amount of salt in saltwater affect how long it

takes for the water to evaporate?

Question 7

1 23• Which object has the greatest mass?• A. Cylinder 1• B. Cylinder 2• C. Cylinder 3• D. They all have the same mass

10 g25 g

50 g

Question 8

1 23• Which object has the least volume?• A. Cylinder 1• B. Cylinder 2• C. Cylinder 3• D. They all have the same mass

10 g25 g

50 g

Question 9

• Which material would best fit in the place of the question mark?

• A. Aluminum Foil• B. Paper• C. Polyester Fabric• D . Crayon

Light bulb light up Light bulb does not light up

Steel wire Rubber bandPaper clip Cotton ballCopper wire Tooth pick? Plastic block

Question 10

• Which of the following BEST describes the change in salt grains as they dissolve in water?

• A. the grains change their chemicals until they become water

• B. The grains get higher in temperature • C. The grains get smaller in size until they can

no longer be seen• D. The grains are washed clean

Question 11

• Which of the following explains why orange juice is a liquid not a solid?

• A. it has a bright color• B. It takes the shape of it’s container• C. you can not weigh it• D. It has molecules that are tightly packed in

Question 12

• Some students were studying mixtures and put oil and water together. They observed the oil floating on the top. Which of the following does this experiment demonstrate?

• A. the oil completely mixed in with the water• B. The oil maintained it’s physical properties• C. The oil caused the water to be more dense• D. The oil melts in the water

Question 13

• Which answer below should replace letter X in the table?

• A. property• B. Color• C. Solid• D. Water

Liquid X Gas

Water Chalk Steam

Milk Y Oxygen

Lemonade Can Carbon dioxide

W Paper Z

Question 14

• Which answer below should replace letter y in the table?

• A. cheese• B. density • C. energy• D. juice

Liquid X Gas

Water Chalk Steam

Milk Y Oxygen

Lemonade Can Carbon dioxide

W Paper Z

Question 15Melissa’s teacher gave each lab group 4 liquids. Their job was to identify the liquids. Melissa’s group decided to boil the liquids. The results are below:

Which sample is water?A. Sample 1B. Sample 2C. Sample 3D. Sample 4

Sample number

1 2 3 4

Boiling point

89 94 100 106

Question 16

• If an item floats which property does it have?• A. High density• B. Conductivity• C. Buoyancy • D. Luster

Question 17

• An iron nail, aluminum pie pan, rubber band and foam cup are in a box. Which classification fits all four items?

• A. solid• B. Poor heat conductors• C. Strong magnetic attraction• D. Good electrical conductors

Question 18

• A snack of seeds, peanuts, raisins and pecans is an example of a…

• A. Mixture• B. Solution• C. Food change• D. Physical change

Question 19

When a liquid reaches it’s boiling point it begins to..A. MeltB. FreezeC. CondenseD. Evaporate

Question 19

• Light bouncing off a mirror is..

• A. circuit• B. vibration• C. refraction• D. reflection

Question 20

• Connecting a battery and wires to a light bulb produces energy. Which of these is NOT produced by this connection?

• A. Light energy• B. Heat Energy• C. Solar Energy• D. Electrical Energy

Question 21

• A lens….• A. Reflects Light • B. Refracts Light• C. Scatters Light• D. Absorbs Light

Question 22

• What happens to light bulbs in a series circuit if one goes out?

• A. They all go out• B. They stay lit• C. They all burst• D. The circuit is destroyed into pieces

Question 23

• What causes sound?• A. Heat• B. Vibrations• C. Magnetism• D. Electrical Energy

Question 24

• What is the most likely reason for a student to conduct an investigation?

• A. To build a model• B. To make a graph• C. To use a computer• D. To answer a question

Question 25

• The bending of light as it passes through an object is called…

• A. prism• B. reflection• C. bouncing• D. refraction