Quiz about Physical Science Check-in review

Question 1

A ball is rolled at a constant speed away from its original position. Which best represents the motion of the ball?

Accepted Answer

Question 2

Ann goes down the slide at the playground. At the bottom, she slides off and stops. Which most likely explains why she stops moving?

Accepted Answer

The force of her hitting the ground causes the stop.

Answer

Without the slide under her, the ability to move disappears.

Answer

The energy needed for movement is used up on the slide.

Answer

The force pulling her forward is only the slide, not the ground.

Question 3

Jim wakes up early in the morning and walks from his carpeted bedroom to the tiled kitchen. Which best describes why, despite being the same temperature, the tile floor feels cooler to his feet than the carpet?

Accepted Answer

Title is a better conductor of heat and transfers heat away from his skin.

Answer

Title is a poor conductor of heat and transfers heat to his skin.

Answer

Carpet is a bad conductor of heat and transfers heat to his skin.

Question 4

Which is the best example of a pushing force that reduces the speed of an object?

Accepted Answer

a brake rubbing against a wheel

Answer

a bat hitting a baseball

Answer

a pedal turning the wheeels of a bicycle

Answer

a skateboard wheel rolling against pavement

Question 5

Why are pots and pans used for cooking usually made of metal?

Accepted Answer

They are made of metal which conducts heat and will evenly cook the food

Answer

They are made of metal which will slow down the cooking process

Answer

They cost less

Answer

They look better than wood or glass

Question 6

The boulder and the soccer goal in the pictures have the same mass. The soccer frame has a mass of 145 kilograms (kg) and the net has a mass of 10 kilograms (kg). What is the mass of the boulder?

Accepted Answer

155 kilograms

Answer

135 kilograms

Answer

145 kilograms

Answer

165 kilograms

Question 7

Peter helped his family move last week. He noticed when he tried to slide a heavy box across the floor, it was difficult. Which factor best illustrates what cuases this to happen?

Accepted Answer

friction

Answer

mass

Answer

gravity

Answer

magnetism

Question 8

Which best describes a chemical change in paper?

Accepted Answer

burning paper

Answer

filing a paper

Answer

mailing paper

Answer

cutting paper in half

Question 9

When is friction needed during the course of motion?

Accepted Answer

to slow down motion

Answer

to speed up motion

Answer

to keep motion at the same speed

Answer

to keep motion in the same direction

Question 10

On which surface will a toy truck travel the fastest?

Accepted Answer

a track sloping steeply downward

Answer

a track sloping upward

Answer

a track that is completely flat

Answer

a track sloping gently downward

Question 11

James wanted to observe the interaction between his favorite soda and some candy. James poured 20 ounces of soda and 2 ounces of candy in a closed container weighing 5 ounces. What would most likely be the weight of the mixture and container after the candy has completely dissolved?

Accepted Answer

27 ounces

Answer

5 ounces

Answer

20 ounces

Answer

25 ounces

Question 12

Which will most likely increase friction on snow covered highways?

Accepted Answer

sand

Answer

oil

Answer

salt

Answer

water

Question 13

Which is the best conductor of heat?

Accepted Answer

a copper wire

Answer

a glass tube

Answer

a piece of string

Question 14

Otto pushed a toy car across a floor. The car traveled fast across the wood, but it slowed to a stop on the carpet. Which best explains what happened when the car reached the carpet?

Accepted Answer

Friction increased

Answer

Inertia decreased

Answer

Gravity increased

Answer

Magnetism decreased

Question 15

Two people need to move a large, heavy box. One person pushes the box, while the other person pulls the box. Which way of moving the box makes the work easiest for the people?

Accepted Answer

Question 16

A student uses a rubber band to launch the four object shown in the table.

If the student pulls the rubber band back the same amount each time, which object will most likely move the fastest when launched?

Accepted Answer

paper clip

Answer

piece of paper

Answer

eraser

Answer

rubber ball

Question 17

The graphic below shows a greenhouse in Raleigh, North Carolina during the winter. Which best explains why the temperature inside the greenhouse is higher than the temperature outside the Greenhouse?

Accepted Answer

The sun's rays radiate heat into the greenhouse, and then the warmed air is convected inside the greenhouse.

Answer

The sun's rays conduct heat into the greenhouse, and then the warmed air is radiated inside the greenhouse.

Answer

The warm air outside passes into the greenhouse by convection, and then the warm air is conducted inside the greenhouse.

Answer

The cool air outside passes into the greenhouse by radiation, and then the cool air is conducted inside the greenhouse.

Question 18

Which of the following are examples of conductors?

Accepted Answer

both a and c

Answer

copper

Answer

plastic

Answer

paperclip

Question 19

A ball rolled toward Manny while he was playing soccer. If Manny's foot kicks the ball as shown in the picture, which will most likely happen to the ball?

Accepted Answer

The ball will roll toward the east.

Answer

The ball will stop rolling.

Answer

The ball will continue rolling west.

Answer

The ball will go straight up in the air.

Question 20

Which graph depicts an object whose speed is increasing?

Accepted Answer

Question 21

In a closed system, the weight of an object before and after an interaction stays the same.

Accepted Answer

True

Answer

False

Question 22

Lisa bought a box of candles weighing 30 ounces. There are 5 candles in the box. Lisa left the box in her car, and the candles melted together, forming one piece of wax. How much will the box of candles most likely weigh after this change?

Accepted Answer

30 ounces

Answer

5 ounces

Answer

6 ounces

Answer

25 ounces

Question 23

What is a control variable?

Accepted Answer

A variable that stays the same

Answer

A variable that you manipulate

Answer

A variable that changes because of another variable

Answer

None of the above

Question 24

What is the original source of most of the energy that people use?

Accepted Answer

Energy that reaches Earth's surface by radiation from the Sun.

Answer

Energy that reaches Earth's surface by convection from the Sun.

Answer

Energy that reaches Earth's surface by radiation from Earth's core.

Answer

Energy that reaches Earth's surface by conduction from Earth's core.

Question 25

A glass is filled with 100 g of tea and ice cubes. Which best describes the weight of the contents after the glass sits in the sun for 2 hours?

Accepted Answer

The weight will be less than 100 g because some of the liquid will evaporate into the atmosphere.

Answer

The weight would be much less than 100 g mass is lost as the ice cubes melt.

Answer

The weight will be 100 g because the weight of the tea and the ice cubes will remain the same since no change occurs.

Answer

The weight will be more than 100 g because mass is increased as the ice cubes melt and more liquid is added to the glass.

Question 26

Sarah is stirring her hot chocolate with a metal spoon, and she notices that the spoon is getting hot. This is most likely caused by which type of heat?

Accepted Answer

convection

Answer

conduction

Answer

radiation

Answer

insulation

Question 27

The hiking club took a long hike on Saturday. They walked 5 km/hr for the first 3 hours. Then they stopped for 2 hours to swim in the lake and eat lunch. After lunch, they followed the same path back to their starting point. the return hike took 4 hours. Which graph correctly shows their motion?

Accepted Answer

Question 28

The table below list the amounts of the ingredients Stephanie used to make ice cream. What will be the weight of the ice cream after being frozen?

Accepted Answer

290 g

Answer

210 g

Answer

250 g

Answer

380 g

Question 29

An ice cube melts and then evaporates. The ice cube and the water vapor have the same:

Accepted Answer

mass

Answer

density

Answer

volume

Answer

temperature

Question 30

Chris fit the pieces of a space shuttle model together. Which statement best describes how the pieces compare to the completed model?

Accepted Answer

The mass of the completed model equals the mass of all the pieces.

Answer

Each piece is stronger than the completed model.

Answer

Each piece is made from a different material than the completed model.

Answer

The mass of the completed model is more than the mass of the all the pieces.

Question 31

Which best explains how Earth's climate is impacted by convection?

Accepted Answer

Convection helps move thermal energy around the Earth.

Answer

Convection helps cool the Earth and the atmosphere around it.

Answer

Convection continuously pumps cool energy through the oceans.

Answer

Convection stops the flow of cool air and maintains warm weather.

Question 32

Mrs. Jones wants to prove to her students that when an object is burned, its total mass is the same before and after the reaction. What should Mrs. Jones do to make sure this shown by the experiment'?

Accepted Answer

Burn the object in a closed container.

Answer

Burn the object outside on a nice day.

Answer

Add water to the object after it is burned

Answer

Split the object into two equal pieces before burning.

Question 33

What is a qualitative property?

Accepted Answer

something you can describe

Answer

something you can measure

Answer

something you can count

Answer

something you can touch

Question 34

Two balls are rolled down two identical inclined planes. The balls are exactly the same mass and size, but one ball rolled down the inclined plane faster. Identify a possible reason that one ball rolled faster than the other ball.

Accepted Answer

One ball was sticky and the other ball was smooth.

Answer

One ball was red and the other ball was blue.

Answer

One ball was new and the other ball was old.

Answer

One ball was shiny and the other ball was dull.

Question 35

A student places a cup of cold water on a counter in a hot room. After a short time, the student notices that the water in the cup is no longer cold. Which best explains why the water in the cup is no longer cold?

Accepted Answer

The heat from the air transferred to the water in the cup, making the water in the cup warmer.

Answer

The coldness of the water transferred to the air, making the water in the cup warmer.

Answer

The coldness of the water was conducted to the cup, making the water in the cup warmer.

Answer

The heat from the air caused the cold water in the cup to condense, making the water warmer.

Question 36

Examine the diagram. What would a teacher most likely use this image to explain?

Accepted Answer

Heat being added and taken away is causing physical changes in water.

Answer

Air being added and taken away is causing physical changes in water.

Answer

Heat being added and taken away is causing chemical changes in water.

Answer

Air being added and taken away is causing chemical changes in water.

Question 37

Jason plays a game with a tower of blocks. Jason removed as many blocks as he can from the middle of the tower while it remains standing. The picture shows the tower at two different times during the game. Which best explains why the tower remains standing with blocks missing?

Accepted Answer

balanced forces

Answer

friction

Answer

gravity

Answer

magnetism

Question 38

Which best demonstrates a physical change?

Accepted Answer

Plastic melting into a liquid

Answer

Lighting a match

Answer

Chalk dissolving in an acid

Answer

The color of metal changing when it reacts with oxygen

Question 39

Sue is making pudding for her family. She mixes 490 g of cold milk with 90 g of pudding mix and then puts it in the refrigerator to solidify. About how many grams of pudding was made?

Accepted Answer

580 g

Answer

90 g

Answer

190 g

Answer

400 g

Question 40

Why should Ann leave space at the top of her plastic bottle when filling with water and then freezing it overnight?

Accepted Answer

Water expands when frozen, so the water will need more space.

Answer

Water contracts when frozen, so the water will need more space.

Answer

Plastic contracts when frozen, so the water will need more space.

Answer

Plastic expands when frozen, so the water will need more space.

Question 41

Mrs. Garza's class mixed some materials. They made a table of the materials and the products after the materials combined. Based on the table, which materials mixed to form a new substance?

Accepted Answer

iodine and flour

Answer

water and flour

Answer

water and salt

Answer

iodine and salt

Question 42

When heated up particles will:

Accepted Answer

move faster

Answer

move slower

Answer

move at the same speed

Answer

disappear

Question 43

A type of cold pack has two separate sections inside. One section contains a liquid and the other section contains a powder. When the cold pack is squeezed, the section that holds the liquid breaks. When the liquid combines with the powder, the pack becomes very cold. Which is the best explanation why the temperature of the pack decreases when the liquid and powder combine?

Accepted Answer

a chemical change occurs

Answer

a mixture forms

Answer

a solution forms

Answer

thermal energy is used

Question 44

Which best explains why boiling water is an example of a physical change?

Accepted Answer

The water changes from a liquid to a gas.

Answer

The heat causes steam.

Answer

Heat is added, causing evaporation.

Answer

Heating the water causes solids to form.

Question 45

Which is the best choice for the handle of a frying pan?

Accepted Answer

Wood, because it does not conduct heat.

Answer

Metal, because it conducts heat.

Answer

Wood, because it conducts heat.

Answer

Metal, because it does not conduct heat.

Question 46

Vanessa weighs her banana with the peel and it weighs 145 grams. She weighs the banana again after she has removed the peel. The banana now weighs 123 grams. About how much does the peel weigh?

Accepted Answer

22 grams

Answer

14 grams

Answer

18 grams

Question 47

The position of a soccer ball over time is recorded in the graph below. Which best describes the movement of the soccer ball?

Accepted Answer

The ball traveled 30 meters, stopped, and returned to its starting point.

Answer

The ball traveled 20 meters and was kicked to the right.

Answer

The ball traveled 20 meters and returned to its starting point.

Answer

The ball traveled 50 meters, stopped, and returned to its starting point.

Question 48

Which best explains how bacon is fried on a stove burner?

Accepted Answer

The stove burner transfers heat directly to the pan, and the pan directly transfer heat to the bacon.

Answer

The bacon creates a convection current, the heat rises to the pan, and then rises to the stove burner.

Answer

The bacon transfers heat directly to the pan, and the pan transfers heat directly to the stove burner.

Answer

The stove burner radiates heat to the pan, and the pan radiates heat to the bacon.

Question 49

Students set up the investigation shown. What can the students do to increase the speed that the marble will roll down the ramp?

Accepted Answer

replace the board with a smoother board

Answer

add a layer of carpet to board

Answer

lower the height of the board

Answer

use a longer board for the ramp

Question 50

Which is an example of radiation?

Accepted Answer

warming food in the microwave

Answer

warming food on the stove

Answer

cooling food in the freezer

Question 51

When Julie was cooking macaroni she noticed that it would rise to the top of the boiling water and then sink back to the bottom of the pot. This is most likely because

Accepted Answer

the convection of heat within the water was creating a current.

Answer

the convection of air around the pot was creating a current.

Answer

the conduction of heat within the water was creating a current.

Answer

the conduction of air around the pot was creating a current.

Question 52

The heat from the lamp allows this lizard to remain warm. This is an example of which type of heat transfer?

Accepted Answer

radiation

Answer

convection

Answer

conduction

Question 53

The graph below represents a traveling car. What can be determined about the speed at which the car is traveling?

Accepted Answer

the car is traveling at a constant speed.

Answer

The car is accelerating.

Answer

The car is slowing down.

Answer

The car is traveling at various speeds.

Question 54

Which of the materials would be the best conductor of heat?

Accepted Answer

metal

Answer

plastic

Answer

stone

Answer

wood

Question 55

A bus moves down the street at a rate of 500 meters per minute for 5 minutes. Which graph shows the motion of the bus.

Accepted Answer

Question 56

This illustration shows how heat can move through the atmosphere as air circulates. What causes the circulation of air?

Accepted Answer

The ground is heated by the Sun and then heats the air, causing the air to rise.

Answer

Air in the atmosphere is heated by the Sun and sinks to the ground.

Answer

Air loses heat to the ground and then rises upward to obtain more energy.

Answer

The Sun heats the clouds which forces the cooler air to move away and sink.

Question 57

Which of the following are examples of insulators?

Accepted Answer

both a and b

Answer

wood

Answer

brick

Answer

frying pan

Question 58

Mandy and Josh raced one lap around the track. The graph below shows the results of their race. Look at the graph for the race results.

Which statement can be proven by the graph?

Accepted Answer

Mandy won the race.

Answer

Josh won the race.

Answer

Mandy ran less distance than Josh.

Answer

Josh ran the race in less time than Mandy.

Question 59

A student placed an egg in a container of vinegar.

Bubbles formed on the shell of the egg, and after three

days, the shell was gone. Which observation made

by the student indicated a chemical change took place?

Accepted Answer

The bubbles were produced as the shell reacted with the acid.

Answer

The vinegar solution remained clear.

Answer

The temperature of the vinegar remained the same.

Answer

The shape of the egg remained oval.

Question 60

The graph shows a helicopter's change in position over ten minutes of time. During what time period did the helicopter's position change the least?

Accepted Answer

3-4 minutes

Answer

1-2 minutes

Answer

5-6 minutes

Answer

7-8 minutes

Question 61

What is not an example of a quantitative property?

Accepted Answer

color

Answer

weight

Answer

height

Answer

age

Question 62

What is a quantitative property?

Accepted Answer

Something you can measure

Answer

Something you can describe

Answer

Something you can taste

Answer

Something you can touch

Question 63

Which is not an example of a qualitative property?

Accepted Answer

length

Answer

size

Answer

shape

Answer

color

Question 64

Sarah had a glass of sweet tea that weighted 411 grams. She wanted to make it sweeter so she dissolved 10 grams of sugar in the tea.

True/False: The glass of sweet tea will still weigh 411 grams.

Accepted Answer

False

Answer

True

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