A change in positon is called

This type of force happens between 2 objects that touch.

_________________ is another way to describe position.  It is how much space is between two objects.  It can be measured in cm, ft, m, and miles.

______________ is a push or pull.  It can make an object move.

________________ describes how quickly an object moves.

__________ can attract, or pull on, each other, they can also repel or push away from each other.  It can pull on things made of certain metals, like iron.

You cannot see _______________ but it is what keeps you on Earth. 

It pulls objects together. 

1._________________ is a force that happens when two things rub together. 

It makes them slow down or stop.

_______________ is the ability to do work.  It can make things move.

When we describe where something is, we describe its position.

Distance can be measured with units like liters and grams.

While an object is changing position, it is in motion.

An object’s speed tells how far it will move in a certain amount of time.

Not all moving objects have speed.

A flying plane is slower than a moving snail.

You have to apply force to make an object start moving.

Force can make an object go fast or slow, and change direction.

Friction pushes against moving objects.  It makes them slow down and stop.

Heat is a kind of energy.

The types of motion are

  What are the 2 kids of forces?

The two types of non-contact force are

Which kind of surface makes a lot of friction:

Which of the following has POTENTIAL ENERGY?

A roller coaster changes Potential Energy to Kinetic energy when

Which scenarios below shows how energy can change?