Quick Questions #2

Front

What is Reflection?

Back

Reflection is the bouncing back of light when it hits a surface.

Front

What is the rule for changing variables in an experiment?

Back

In an experimental investigation, you should only change ONE variable at a time.

Front

What is Sound Energy?

Back

Sound energy is the energy associated with the vibration of air molecules that creates sound, like a lion's roar or a bat's ultrasonic sounds.

Front

At what temperature does ice melt?

Back

Ice melts at 0° C, regardless of its size.

Front

How does light travel?

Back

Light always travels in a straight line.

Front

What is Refraction?

Back

Refraction is the bending of light as it passes from one medium to another.

Front

What is the difference between Reflection and Refraction?

Back

Reflection is the bouncing back of light, while refraction is the bending of light.

Front

What is a Variable in an Experiment?

Back

A variable is any factor that can change in an experiment.

Front

What is the importance of controlling variables in an experiment?

Back

Controlling variables ensures that the experiment tests only the effect of the independent variable.

Front

What is Mechanical Energy?

Back

Mechanical energy is the energy associated with the motion and position of an object.