Types of Forces
Force?
Natural Forces
Safety and Forces
100

Name the force that pulls objects toward Earth

Gravitational Force

100

Fill in the blank: A force is a _____ that can make things start moving, stop moving, or change direction. 

push or pull

100

What natural force pulls rocks and soil downhill during a landslide?

Gravity

100

Why should you wear a helmet when riding a bike?

To protect the head from forces during a fall/collision

200

What force acts on objects rubbing against each other?

Friction

200

True or False: A force always needs two objects touching each other. BONUS: What is it called when two forces are not touching?

False
200

Which natural force is caused by quick movement of Earth’s rocks and crust and can shake the ground?

Earthquake

200

Name one thing that can protect you from the force of a car slamming its brakes.

Seatbelt

300

Which force acts between electric charges and can pull or push without touching

Electrostatic Force

300

Contact or non contact: a leaf falling from a tree

non-contact

300

Name one natural force

Erosion, Tornado, Earthquake, Landslide

300

If a friend slips on a wet floor, what force made them slip? What is one way to reduce that force?

Friction; the amount of friction was reduced

400

Which force do your muscles use to move your arm?

Muscular Force

400

If two equal forces push on opposite sides of a box and do not move it, are the forces balanced or unbalanced?

Balanced

400

Fill in the blank: Tornadoes are formed by __________ 

Strong winds

400

Describe one classroom rule that reduces the chance of forces causing harm

Walking in the hallways, keep your hands to yourself

500

What force can attract or repel some metals like iron, nickel, cobalt, and steel?

Magnetic Force

500

Why are "push" and "pull" called forces? 

Both change the motion of an object

500
What is erosion?

Erosion is the blowing away of soil, water, or rock

500

When lifting a heavy box, which type of force do your muscles use most — push or pull?

Pull (muscles pulling the box from the ground onto a surface)