Force and Motion

Force and Motion

Force

A push or pull that makes something move

Multiple Choice

Which of the following is NOT using a force?

• A man pushing a shopping cart

• A dog playing tug-of-war with rope

• A cat sleeping on the couch

• An eagle carrying a fish it caught

Motion

A change in position of an object over time.

Multiple Choice

Which object is in motion?

• A video of a car moving

• A ball rolling down the hill

• Bowling pins in a pyramid

• A potato on the table

Gravity

A force that attracts two objects together

Multiple Choice

Why does the moon revolve around Earth and not float away in space?

• Earth's gravitational pull

• The moon does not move

• The sun makes the moon spin around Earth

Multiple Choice

Why do our oceans have tides?

• Friction against rocks

• Gravity from the sun and the moon

• Wind

• Mountains

Work

Using a force to move an object across a distance

Multiple Choice

Which is an example of work?

• Reading your science book

• Riding in the car

• Pushing a car that won't move

• Pushing a shopping cart

Energy

The ability to do or to move something

https://www.youtube.com/watch?v=vl4g7T5gw1M

Multiple Select

What are the two types of Energy? (Choose 2)

• Kinetic

• Popular

• Synthetic

• Potential

Friction

Resists movement between two objects that are touching.

Multiple Choice

Which of these is an example of friction being HELPFUL?

• A person slipping on ice

• A rock rolling down the hill

• A bowling ball easily rolling down the lane

• A man pushing a box through long grass.

Multiple Choice

When is friction NOT helpful?

• When using wax on skis to easily ski over ice.

• Short grass on a soccer field

• Wearing socks and slipping down the stairs

• Someone throwing a snowball at you