Science 7 Final

Which scientific model could be used to predict the properties of an element?

T/F Sound energy travels faster than light energy.

What is the force that is pulling down?

What kind of wave is this?

What is the property of oil that causes it to float on top of the water?

Liquid water changes to water vapor during which process?

Loudness of sound (called intensity) is measured in these units.

When two equal forces act in opposite directions on an object, they are called

If you have iron fillings in a mixture with water in it, what method could be used to separate the iron fillings from the mixture?

What kind of wave is this?

. According to Newton's 2nd law of motion (f=ma), when you kick a soccer ball with more force it increases the balls...

What kind of wave is this?

Sound needs a medium (matter) to travel through. A medium that sound can travel through

All sound waves begin with a

The tiny particles that make up all matter are called

Which of the four substances below are a compound? CO si He Fe

What are the units that are used to represent FORCE?

What is the type of energy when a ball is rolling down a hill?

What kind of wave is this?

Why is salt no longer visible once you stop stirring it in water?