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8.1 Lesson 1

Total questions: 35

Worksheet time: 21mins

Name
Class
Date
1.

Define Collision

a)

Two things coming into contact

b)

A push or a pull with contact (touching)

c)

The outcome that changes because of the independent variable, shown on X Axis

d)

Energy that does work

2.
What is kinetic energy?
a)
energy of work
b)
energy of motion
c)
energy of gravity
d)
energy of power
3.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
4.

What happens when two objects collide?

a)

Energy is changed into force.

b)

Energy is transferred from one object to another.

c)

Energy is created and the objects move faster.

5.

What effects the amount of energy transferred in a collision?

a)

the speed

b)

the weight

c)

the speed AND weight

6.

While playing with toy cars, Kirsten and Luca each push a car toward the center of the room. What happens when the toy cars collide?

a)

Energy is transferred.

b)

Energy is unchanged.

7.

Collisions cause changes in...

a)

shape

b)

motion

c)

both shape and motion

8.

_________transfers in a collision.

a)

Shape

b)

Motion

c)

Energy

d)

Money

9.

Energy is transferred through______in collisions.

a)

Motion

b)

Contact Forces

c)

All Forces

d)

Other energy

10.
The Law of Conservation of Energy states that
a)
energy cannot be created nor destroyed, only transformed or transferred
b)
energy can be destroyed but not created
c)
energy can be created but not destroyed
11.

Kinetic energy is...

a)

energy carried in ultraviolet waves

b)

energy stored in food

c)

energy in motion

d)

energy from splitting an atom

12.

The faster an object moves, the ________ kinetic energy it has.

a)

more

b)

less

c)

none of the above

d)

all of the above

13.

Look at the y-axis (the one labeled Kinetic Energy) on the left. What is the unit used to measure energy?

a)

Newton (N)

b)

Kilogram (kg)

c)

Joule (J)

d)

Meters per second (m/s)

14.

Look at this graph showing kinetic energy and speed of a moving object. Which of the following can be concluded from the graph?

a)

Kinetic energy only changes when speed changes

b)

Speed is only related to the size of an object.

c)

All moving objects have the same kinetic energy.

d)

Kinetic energy increases as speed increases

15.

Stationary objects have kinetic energy.

a)

true

b)

false

16.

Which of these are examples of kinetic energy? Choose all FOUR correct answers.

a)

kicking a soccer ball

b)

tossing a paper into the trash

c)

bouncing a basketball

d)

standing in place

e)

hitting a volleyball

17.

The energy of motion

a)

Kinetic Energy

b)

Potential Energy

18.

What is the unit for mass?

a)

Joules (J)

b)

Kilograms (kg)

c)

Meters (m)

d)

Meters per Second (m/s)

19.

Which of the following are examples of collisions?

a)

One pool ball striking another

b)

A bat hitting a baseball

c)

Fingers pressing keys on a piano

d)

All of the above

20.

Mass is

a)

The weight of an object

b)

The amount of matter in an object

c)

The distance an object travels in a given period of time

d)

The pull of gravity on an object

21.

The distance an object travels in a given amount of time is measure in meters per second (m/s) and refers to...

a)

Acceleration

b)

Velocity

c)

Speed

d)

Gravity

22.

Kinetic energy depends on mass and _________.

a)

weight

b)

speed

c)

density

23.

Heat always flow from ___________ to _____________.

a)

left to right

b)

top to bottom

c)

cold to hot

d)

hot to cold

24.

Energy from the sun travels to Earth through _______.

a)

conduction

b)

convection

c)

radiation

d)

insulator

25.

Energy cannot be created or _____________.

a)

transformed

b)

transferred

c)

destroyed

d)

changed

26.

_________transfers in a collision.

a)

Shape

b)

Motion

c)

Energy

d)

Money

27.

A collision occurs when ...

a)

two or more objects hit each other with a force.

b)

an object in motion stays in motion.

c)

when an object at rest stays at rest.

28.

How could you make all the pool balls move faster?

a)

Hit the cue ball with less force

b)

Hit the cue ball with more force

c)

Increases the mass of all the pool balls

d)

Add more friction to the table

29.
The molecules in the picture are tightly held together with little movement. They have shape and energy.  Therefore, the picture represents _________.
a)
solid
b)
liquid
c)
gas
d)
plasma
30.
What state of matter has definite shape and definite volume?
a)
solid
b)
liquid
c)
gas
d)
Plasma
31.

Dropped Phone on Concrete

a)

Collision Type A

b)

Collision Type B

c)

Collision Type C

32.

A Baseball colliding with a Moving Truck

a)

Collision Type A

b)

Collision Type B

c)

Collision Type C

33.

Stepping on a Laptop

a)

Collision Type A

b)

Collision Type B

c)

Collision Type C

34.

Two Moving Skateboarders Colliding at the Skate Park

a)

Collision Type A

b)

Collision Type B

c)

Collision Type C

35.

Cat Knocking Glass Over

a)

Collision Type A

b)

Collision Type B

c)

Collision Type C