Quiz about Benchmark 4 Review 1

Question 1

Which image shows the best example of gravitational potential energy?

Accepted Answer

Question 2

How many hydrogen atoms are needed to bond with nitrogen to create one molecule of ammonia, NH₃?

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Question 3

What is the difference between a molecule and compound?

Accepted Answer

A molecule is two or more atoms chemically bonded; a compound is made of molecules that contain at least two different elements.

Answer

A molecule is only one atom; a compound contains at least two atoms.

Answer

A molecule is two or more atoms chemically bonded; a compound is a molecule that contains only one element.

Answer

All molecules are compounds; there is no difference.

Question 4

If one carbon atom chemically combined with one oxygen atom, which of the following chemical formulas would it represent?

Accepted Answer

CO

Answer

Co

Answer

C2O

Answer

CO2

Question 5

Which of the following is an example of a new substance being formed by a chemical reaction?

Accepted Answer

Wood burning into ash

Answer

Water boiling into water vapor

Answer

Ice melting into water

Answer

Salt dissolving in saltwater

Question 6

At which location is the gravitational potential energy of the water the greatest?

Accepted Answer

Location W

Answer

Location X

Answer

Location Y

Answer

Location Z

Question 7

What kind of energy is in a rock at the edge of a cliff?

Accepted Answer

Potential

Answer

Kinetic

Question 8

In which of the following examples is kinetic energy being converted into potential energy?

Accepted Answer

A person jumping on a trampoline, reaching the highest point

Answer

A car slowing down as it approaches a stop sign

Answer

A compressed spring being released

Answer

Ice melting into water

Question 9

True or False: Physical properties involve things that can be measured without changing the chemical properties.

Accepted Answer

True

Answer

False

Question 10

What type of energy is stored in food?

Accepted Answer

Chemical energy

Answer

Mechanical energy

Answer

Nuclear energy

Answer

Thermal energy

Question 11

Which of the following is a characteristic feature of a chemical change?

Accepted Answer

It produces new substances with different properties

Answer

It is easily reversible

Answer

It involves a change in physical state

Answer

It does not involve energy changes

Question 12

Which of the following is a characteristic feature of a chemical change?

Accepted Answer

It produces new substances with different properties

Answer

It is easily reversible

Answer

It involves a change in physical state

Answer

It does not involve energy changes

Question 13

Which of the following is NOT a characteristic of a chemical change?

Accepted Answer

Change in shape

Answer

Change in color

Answer

Formation of a gas

Answer

Production of heat

Question 14

This would be an example of

Accepted Answer

particles in a mixture

Answer

particles in a substance

Question 15

Which one of these pictures represents a pure substance?

Accepted Answer

1 and 3

Answer

1 and 2

Answer

2 and 3

Answer

1, 2 and 3

Question 16

Which is a chemical change?

Accepted Answer

frying an egg

Answer

boiling water

Answer

breaking a glass cup

Answer

crushing a piece of bread

Question 17

Which of the following objects has kinetic energy?

Accepted Answer

a ball rolling across the floor

Answer

a bicycle parked at the top of a hill

Answer

leaves lying on the ground beneath a tree

Answer

a sunny windowsill

Question 18

Kinetic Energy

Accepted Answer

Energy in Motion

Answer

Energy stored in motion

Answer

Energy of height

Question 19

__________ energy is the energy of motion.

Accepted Answer

Kinetic

Answer

Light

Answer

Sound

Answer

Chemical

Question 20

Which is the best example of kinetic energy?

Accepted Answer

A wagon rolling down a hill

Answer

A car sitting on top of a hill

Answer

A skateboard on the sidewalk

Answer

A powerwheel parked in the yard

Question 21

Kinetic energy is related to

Accepted Answer

speed of an object

Answer

position or height of an object

Question 22

Food, wool, and leather come from which natural resource?

Accepted Answer

Animals

Answer

Water

Answer

Minerals

Answer

Forest

Question 23

When synthetic materials like plastics get into the ocean, they may be mistaken for food by ocean organisms. Many sea turtles die each year after eating plastic grocery bags they mistook for jellyfish. Which of these changes would be the most effective way to prevent these bags from injuring marine organisms?

Accepted Answer

Stores no longer provide single-use plastic bags.

Answer

Encourage more people to recycle their plastic grocery bags.

Answer

Organize a group to pick up plastic litter on the beach once a month.

Answer

Create a class that teaches turtles how to avoid plastic bags.

Question 24

How many atoms of oxygen can be found on the reactant side?

Accepted Answer

3

Answer

1

Answer

6

Answer

2

Question 25

Which of the following models correctly depicts the reaction shown here?

Accepted Answer

Question 26

Sarah went camping with her family. In the evening it got cold, so they decided to build a campfire. Why is a campfire helpful in this situation?

Accepted Answer

Thermal energy is released by the campfire, because it is carrying out an exothermic reaction.

Answer

Thermal energy is absorbed by the campfire, because it is carrying out an endothermic reaction.

Answer

Thermal energy is absorbed by the campfire, because it is carrying out an exothermic reaction.

Answer

Thermal energy is released by the campfire, because it is carrying out an endothermic reaction.

Question 27

Jordan noticed that the ball made a louder noise when his big brother pitched it. What is the best explanation of this observation?

Accepted Answer

The ball was moving faster, so it had more energy to shake the fence.

Answer

The ball was moving with less speed, so it had more energy to shake the fence.

Answer

The ball gained mass, so it had more energy to shake the fence.

Answer

The ball had more energy because it lost mass as it hit the fence.

Question 28

Comparing the speeds of different animals, which of the following is the best choice that supports the claim the cheetah has the most kinetic energy?

Accepted Answer

The cheetah shows the highest top speed.

Answer

The cheetah shows an average top speed.

Answer

The cheetah shows the lowest top speed.

Answer

The cheetah jumped ahead of the motorway speed limit at the last second.

Question 29

Based on the evidence provided in the chart below, what is the best claim that can be made about the observable features of changing kinetic energy in an object?

Accepted Answer

As the temperature increases on the object, the particles within the object move faster, creating a change in the state of matter.

Answer

By adding temperature to the object, the particles within the object move slower, creating a change in the state of matter.

Answer

As the temperature decreases on the object, the particles within the object move faster, creating a change in the state of matter.

Answer

There is no correlation between temperature increases, particle movement, and state change.

Question 30

Gravitational potential energy depends on the ________ and ________ of the object.

Accepted Answer

Height and mass

Answer

Friction and movement

Answer

Mass and Movement

Answer

Height and Friction

Benchmark 4 Review 1

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