Quiz about Physical Sciences Review (All Units)

Question 1

Why are pots used for cooking made of metal?

Accepted Answer

Metal is an excellent conductor of heat.

Answer

Metal makes the handle look attractive.

Answer

Metal is a poor conductor of heat.

Answer

Metal is natural and inexpensive.

Question 2

Which best explains why a metal ice cream scoop works more efficiently than a plastic ice cream scoop when dipped in warm water prior to scooping the ice cream?

Accepted Answer

The metal heats more quickly than the plastic.

Answer

The plastic heats more quickly than the metal.

Answer

The metal insulates against heat.

Answer

The plastic conducts heat.

Question 3

Which causes surface water in a lake to heat up during the hot summer?

Accepted Answer

radiation

Answer

conduction

Answer

convection

Answer

evaporation

Question 4

Which best describes heat transfer due to convection?

Accepted Answer

It occurs with movement of a fluid.

Answer

It occurs with direct contact.

Answer

It occurs only during the day.

Answer

It occurs only when something is burning.

Question 5

Which best describes an example of heat transfer through radiation?

Accepted Answer

getting warm in front of a portable heater

Answer

burning your finger on a curling iron

Answer

ironing a dress shirt and tie

Answer

cooking soup on the stove

Question 6

Which container will be less likely to feel cold on the outside when filled with ice?

Accepted Answer

a foam cup

Answer

a glass cup

Answer

a metal cup

Answer

a paper cup

Question 7

Which container used for cooking food would best conduct heat?

Accepted Answer

a container made of metal

Answer

a container made of foam

Answer

a container made of glass

Answer

a container made of plastic

Question 8

Why is copper often used to line the bottom of cookware?

Accepted Answer

Copper is a good conductor.

Answer

Copper cools quickly.

Answer

Copper is inexpensive.

Answer

Copper is a good insulator.

Question 9

Why do asphalt streets often have cracks in them?

Accepted Answer

because asphalt expands when heated and contracts when cooled

Answer

because asphalt is a good conductor of heat

Answer

because asphalt is an insulator that helps keep heat from escaping

Answer

because asphalt contracts when heated and expands when cooled

Question 10

How do a wooden spoon and a metal spoon react when placed into a pot of hot soup?

Accepted Answer

The metal spoon gets hot sooner because heat transfers more easily through metal than wood.

Answer

Neither spoon gets hot because heat does not transfer through metal or wood.

Answer

Both spoons will quickly become hot because heat transfers through all materials equally.

Answer

The wooden spoon gets hot sooner because heat transfers more easily through wood than metal.

Question 11

Why does ice cream placed in a plastic cooler melt slower than ice cream placed in a metal pot?

Accepted Answer

because plastic is a better insulator than metal

Answer

because metal is a better insulator than plastic

Answer

because metal insulates against more heat

Answer

because plastic conducts more heat

Question 12

Which graph represents an object that is decreasing in speed?

Accepted Answer

Graph D

Answer

Graph A

Answer

Graph B

Answer

Graph C

Question 13

Below is a distance time graph that shows the motion of a student on a walk. Which statement best describes the students' motion?

Accepted Answer

The student walks slowly at first, then increases their speed, stops, and very quickly returns to the starting point.

Answer

The student walks up a hill at the beginning, and then has a flat surface, and then walks down a hill at the end.

Answer

The student is going faster and faster in the last two minutes.

Answer

The student starts out moving very fast, slows down in the middle of the walk, and then speeds up again at the end.

Question 14

After throwing a basketball through the net, Anna observed the ball as it hit the ground. Which is most likely responsible for the ball hitting the ground?

Accepted Answer

gravity

Answer

friction

Answer

mass

Answer

speed

Question 15

The chart below shows four identical wagons loaded with different amounts of bricks. - Wagon W: two pounds of bricks - Wagon X: three pounds of bricks - Wagon Y: four pounds of bricks - Wagon Z: five pounds of bricks If the same amount of effort is applied to all four identical wagons, why would Wagon W move farthest?

Accepted Answer

It has the least amount of mass, affecting its motion.

Answer

It has the least amount of speed, affecting its motion.

Answer

It has the greatest amount of gravity, affecting its motion.

Answer

It has the greatest amount of friction, affecting its motion.

Question 16

Ana is pushing a wheelbarrow of rocks. She stops and unloads half of the rocks. How will this effect the force needed to move the wheelbarrow?

Accepted Answer

Mass is decreased, making the wheelbarrow easier to move.

Answer

Gravity is increased, making the wheelbarrow easier to move.

Answer

Gravity is decreased, making the wheelbarrow harder to move.

Answer

Friction is increased, making the wheelbarrow harder to move.

Question 17

A student went on a walk, and kept track of their time and distance. The data is displayed in the graph. Which best describes the student's walk?

Accepted Answer

D. The student walked at a steady pace, and then returned to the starting point.

Answer

A. The student went up a hill, and then down a hill.

Answer

B. The student walked very quickly at the beginning of the walk, but then slowed down at the end.

Answer

C. The student walked slowly at the beginning of the walk, and faster at the end.

Question 18

John pushed two identical toy cars across the same flat smooth floor. Why did both cars travel the same distance?

Accepted Answer

because he applied the same force to each of the two cars

Answer

because he pushed the cars at the same time

Answer

because he pushed the cars at different times

Answer

because he applied different forces to the two cars

Question 19

Macie's job at the bookstore requires her to move several heavy boxes of books. How can Macie use the least amount of force to move the boxes?

Accepted Answer

by packing the books in smaller boxes

Answer

by packing the books in larger boxes

Answer

by stacking the boxes and pulling them out of the storage room

Answer

by stacking the boxes and pushing them out of the storage room

Question 20

Elsa is making a grilled ham-and-cheese sandwich. She uses a 20-gram slice of cheese, 40 grams of sliced ham, and two 15-gram slices of bread. After she heats the sandwich on a griddle, the cheese is melted. What will be the mass of her sandwich?

Accepted Answer

90 grams

Answer

55 grams

Answer

60 grams

Answer

75 grams

Question 21

A balloon with a mass of 5 grams is blown up and popped. If all the pieces are weighed what would be their total mass?

Accepted Answer

5 grams

Answer

2.5 grams

Answer

7.5 grams

Answer

10 grams

Question 22

Maya adds 6 grams of sugar to a bottle containing 14 grams of warm water. What is the total weight of the sugar and water?

Accepted Answer

20 grams

Answer

6 grams

Answer

8 grams

Answer

14 grams

Question 23

How does a decrease in temperature turn water vapor back into a liquid?

Accepted Answer

through condensation

Answer

through transpiration

Answer

through precipitation

Answer

through evaporation

Question 24

How would water vapor cooling and forming clouds impact the water cycle?

Accepted Answer

by increasing precipitation

Answer

by increasing runoff

Answer

by increasing evaporation

Answer

by increasing transpiration

Question 25

Jamal filled his swimming pool in the middle of his backyard. He observed the water level for several weeks and found it decreased over time. Which explains why the water level most likely decreased?

Accepted Answer

There was evaporation caused by the sun.

Answer

The volume of water changed because the air temperature cooled.

Answer

Plants near the pool used the water via transpiration.

Answer

Precipitation caused runoff in the pool area.

Question 26

A 100 kg rock is broken into five smaller rocks for a garden. What is the total mass of all five smaller rocks?

Accepted Answer

100 kg

Answer

20 kg

Answer

50 kg

Answer

500 kg

Question 27

Johnny tore a sheet of paper into pieces. How does the mass of all the pieces compare to the mass of the sheet before it was torn?

Accepted Answer

The total mass of the pieces would be the same as the the mass of the whole sheet.

Answer

The total mass of the pieces would be greater than the mass of the whole sheet.

Answer

The total mass of the pieces would be less than the mass of the the whole sheet.

Answer

The total mass of the pieces would be more than twice the mass of the whole sheet.

Question 28

Sam built a rocket using a full set of blocks. How would taking the rocket apart affect the total mass of the blocks?

Accepted Answer

The total mass of the blocks would be the same apart as together.

Answer

The total mass of the blocks would double.

Answer

The total mass of the blocks would decrease because they are together.

Answer

The total mass of the blocks would increase because the blocks are apart.

Question 29

Which is an example of a different substance being formed?

Accepted Answer

wood burning

Answer

glass breaking

Answer

metal melting

Answer

water freezing

Question 30

What must occur before clouds can form?

Accepted Answer

B

Water vapor must lose heat energy.

Answer

A

Water vapor must get warmer.

Answer

C

Precipitation must begin to fall and run off.

Answer

D

Transpiration must add water vapor to the atmosphere.

Question 31

One morning, Jane notices drops of water on the outside of a window. Later in the day, she notices that the drops have disappeared. What most likely caused the drops to disappear?

Accepted Answer

B

Energy from the sun caused the water to evaporate.

Answer

A

The water condensed on the plants around the house.

Answer

C

The water cooled enough to turn into water vapor.

Answer

D

Wind blowing on the window turned the water into vapor.

Question 32

Which is most responsible for the uneven heating of the air in the atmosphere?

Accepted Answer

B

convection

Answer

Aradiation

Answer

C

conduction

Answer

D

condensation

Question 33

Heat is defined as

Accepted Answer

the transfer of thermal energy from one object to another due to temperature difference

Answer

the temperature of a solid, liquid, or gas

Answer

The kinetic energy of a solid, liquid, or gas.

Question 34

Heat always moves from an object of __________ temperature to an object of _________ temperature.

Accepted Answer

higher, lower

Answer

moderate, high

Answer

lower, higher

Answer

zero, high

Question 35

How is the cat being heated?

Accepted Answer

convection

Answer

condensation

Answer

conduction

Answer

radiation

Question 36

Which of the following are the best conductors of thermal energy?

Accepted Answer

Metals such as copper, silver, and gold

Answer

Plastic

Answer

Wood and glass

Answer

Rubber, ceramic, and paper

Question 37

Which of these is NOT a good thermal conductor?

Accepted Answer

Feathers

Answer

Metal

Answer

Stone

Physical Sciences Review (All Units)

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