What Is It?
How It Works
Causes
Effects
Real-Life Examples
20

Which force pulls objects toward Earth?

A. Friction
B. Gravity
C. Magnetism
D. Air Resistance

We chose _____ because…

B. Gravity

20

How does friction work?

A. Objects float
B. Surfaces rub together
C. Magnets attract
D. Air pushes objects

Friction works when…

B. Surfaces rub together


20

What causes friction?

A. Dry air
B. Earth’s gravity
C. Contact between surfaces
D. Magnets

Friction is caused by…

C. Contact between surfaces

20

What effect does gravity have?

A. Objects float away
B. Objects fall down
C. Objects melt
D. Objects disappear

Gravity affects objects by…

B. Objects fall down

20

Which force helps a parachute fall slowly?

A. Friction
B. Gravity
C. Air Resistance
D. Magnetism

The force is _____ because…

C. Air Resistance

40

Which force slows objects down when surfaces touch?

A. Gravity
B. Static Electricity
C. Friction
D. Magnetism

We think the correct answer is _____ because…

C. Friction

40

How does magnetic force work?

A. Surfaces touch
B. Objects fall
C. Opposites attract
D. Air slows objects

Magnetic force works because…

C. Opposites attract

40

What causes gravity?

A. Magnets
B. Earth’s pull
C. Air movement
D. Rubbing objects

Gravity is caused by

B. Earth’s pull

40

What effect does friction have?

A. Objects speed up
B. Objects stop or slow down
C. Objects float
D. Objects glow

Friction changes movement because…

B. Objects stop or slow down

40

Which force helps magnets stick to a refrigerator?

A. Gravity
B. Friction
C. Magnetism
D. Static Electricity

Magnets stick because…

C. Magnetism

60

Which force can pull or push without touching?

A. Magnetism
B. Friction
C. Push and Pull
D. Gravity

A. Magnetism

We know it is _____ because…

60

How does gravity work?

A. Earth pulls objects down
B. Objects stick together
C. Surfaces rub together
D. Air pushes objects

Gravity works by…

 A. Earth pulls objects down

60

What causes air resistance?

A. Water
B. Magnets
C. Movement through air
D. Electricity

Air resistance happens because…

C. Movement through air

60

What effect does air resistance have?

A. Objects move faster
B. Objects disappear
C. Objects fall slower
D. Objects freeze

Air resistance causes objects to…

C. Objects fall slower

60

Which force helps bike brakes stop a bike?

A. Air Resistance
B. Gravity
C. Friction
D. Static Electricity

Bike brakes use _____ to…

C. Friction

80

Which force slows objects moving through the air?

A. Gravity
B. Air Resistance
C. Friction
D. Static Electricity

This force affects movement by…

This force affects movement by…

B. Air Resistance

80

How does static electricity work?

A. Objects melt
B. Charges build up
C. Objects float
D. Air pushes objects

Static electricity happens when…

B. Charges build up

80

What causes static electricity?

A. Wet surfaces
B. Dry air and rubbing
C. Earth’s pull
D. Heavy objects

Static electricity is caused by…

B. Dry air and rubbing

80

What effect does static electricity have?

A. Objects stick or push apart
B. Objects melt
C. Objects become heavy
D. Objects stop moving

“Static electricity can…”


A. Objects stick or push apart

80

Which force makes a balloon stick to hair?

A. Magnetism
B. Friction
C. Static Electricity
D. Gravity

The balloon sticks because…

C. Static Electricity

M
e
n
u