DCP #2 Review

Front

What explains why a coin at the bottom of a cup of water seems closer to the surface than it really is?

Back

Light from the coin changes direction after it leaves the water.

Front

Where does the sun rise?

Back

The sun rises in the east.

Front

What happens to light when it travels through air into a prism?

Back

It bends and separates into many colors.

Front

In which other situation does light bend?

Back

When light moves through air into water.

Front

What is mechanical energy?

Back

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

Front

Which activities are examples of mechanical energy?

Back

Swimming in the river, climbing a tree, and playing soccer.

Front

How does friction affect speed?

Back

More friction decreases speed.

Front

What is refraction?

Back

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

Front

What is the role of light in seeing objects?

Back

Light reflects off objects and enters our eyes, allowing us to see them.

Front

What is the definition of energy?

Back

Energy is the ability to do work or cause change.