Forces

Examples of forces that make something move are...

• pushes
• pulls
• both pushes and pulls

More force is needed to move __________ objects than to move light objects.

• big
• heavy
• square
• round

Forces can make objects start moving, _________, ________, or stop moving.

• speed up, friction
• push, slow down
• speed up, slow down
• push, pull

Forces can change the ________ of a moving object.

• direction
• push
• pull
• friction

___________ forces cancel each other out, because they are equal.

• unbalanced
• balanced
• large
• heavy

When forces are _________ the object DOES NOT move.

• unbalanced
• balanced
• heavy
• light

When forces are ___________ the object will move.

• unbalanced
• balanced
• light
• gravity

Forces that happen between objects that touch are called _____________.

• magnetism
• gravity
• slippery
• contact forces

Two forces that act on an object without touching it are:

• gravity and friction
• gravity and magnetism
• friction and magnetism
• pushes and pulls

Magnets can attract or repel one another without touching.  They can attract or repel through solids, liquids, and ______.

• gases
• slippery
• push
• pull