# data[].attributes.body
When you lift a book onto a shelf, you are doing ________ on it by using force to move it.  (work)

A roller coaster at the top of a hill has a lot of ________ because of its height.  (potential energy)

When the roller coaster goes down the hill, its ________ increases as it speeds up.  (kinetic energy)

A ________ is a group of parts that work together and can transfer energy.  (system)

Energy can ________ into, within, and out of a system.  (flow)

In an energy system, the ________ is the energy that goes into the system to make it work.  (input)

The ________ is the energy that comes out of the system and can be used to do something.  (output)

A ball rolling down a ramp shows how energy can change from ________ to ________.  (potential energy, kinetic energy)

In a flashlight, the battery is the energy ________, and the light is the energy ________.  (input, output)

When you push a box across the floor, you are using force to do ________ on the box.  (work)

# data[].attributes.body
1. D

2.A

3.c

4.B

5.a

6.c

7.b

8.c

9.d

10.a

11.b

12.b

13.c

14.d

15.c

# data[].attributes.body
When you lift a book onto a shelf, you are doing potential energy on it by using force to move it.

A roller coaster at the top of a hill has a lot of kinetic energy because of its height.

When the roller coaster goes down the hill, its output increases as it speeds up.

A potential energy, kinetic energy is a group of parts that work together and can transfer energy

Energy can flow into, within, and out of a system.

# data[].attributes.body
1.work

2.flow

3.system

4.kinetic energy

5.work

6.potential energy

7. output

8.input,output

# data[].attributes.body
1.work 2.potential energy 3.kinetic energy 4.system 5.flow 6.input 7.output 8. potential energy - kinnetic energy 9.input - output 10.work -Hoang Bach-

# data[].attributes.body
chemical

mechanical

electromagnetic

nuclear