Force
Motion
Simple Machines
Magnetism
Animal Defense
100

This is either a push or a pull.

What is a force?

100

This is Newton's First Law of Motion.

What is, objects in motion tend to stay in motion; objects at rest tend to stay at rest?

100

A ramp is an example of this simple machine.

What is an inclined plane?

100
The positive end of a magnet will be attracted to this end of another magnet.

What is negative?

100

This animal defense mechanism allows an animal to hide by blending in with its surroundings.

What is camouflage?

200

This is the force that attracts objects to one another--for example, a bowling ball to the Earth's surface!

What is gravity?

200

This is Newton's Second Law of Motion

What is it takes a force to move an object, or stop one from moving?

200

A doorknob is an example of this kind of simple machine.

What is a wheel and axle?

200

A magnet has two poles, one positively-charged and one negatively charged. These are signified by these two mathematical symbols.

What is a "plus" and a "minus" sign?

200

An animal that eats other animals is called this:

What is a carnivore, or predator?

300

To move an object, or stop it from moving, you need this.

What is a force?

300

This is Newton's Third Law of Motion!

What is, "For every action, there is an equal and opposite reaction?"

300

If you get in an elevator, this simple machine helps you move up and down, by counterbalancing your weight with another.

What is a pulley?

300

If you have a paper clip made of iron and a paper clip made of plastic, this is the one you would expect to be attracted to a magnet.

What is the paper clip made from iron?

300

A hawk eats a centipede. In this example, the centipede is the hawk's... this.

What is prey?

400

This is the force that acts against motion--for example, to stop a soccer ball rolling on grass.

What is friction?

400

A change in an object's speed is called this.

What is acceleration?

400

This simple machine contains a fulcrum.

What is a lever?

400

If you put a negatively charged magnet next to a negatively charged magnet, they will do the following action.

What is repel one another?

400

When an animal imitates another to stay safe, such as a fly copying the coloration of a honeybee, it is called this defense mechanism.

What is mimicry?

500

This is the property of matter that makes objects with greater mass tend to be more difficult to move, or to stop from moving.

What is inertia?

500
This is an object's change in position over time.

What is speed?

500
A see-saw is an example of a lever. The middle of the see-saw is called this.

What is a fulcrum?

500

The invisible waves of magnetism surrounding a magnetic object, such as the planet Earth or a classroom magnet, are called the object's this.

What is "magnetic field?"

500

This word describes the ways animals have evolved to better survive in their environment.

What is "adaptation"?