24-25 Midterm Review

Front

What time of day is it when shadows are long?

Back

Morning or evening.

Front

What force causes objects to fall to the ground?

Back

Gravity.

Front

If a tree's shadow is cast to the east, where is the sun?

Back

To the west.

Front

Why do leaves appear green in summer?

Back

They reflect green light and absorb other colors of sunlight.

Front

What is an example of a substance that is not soluble in water?

Back

Oil.

Front

What happens to shadows as the sun rises?

Back

Shadows become shorter.

Front

What is the process by which plants make their food?

Back

Photosynthesis.

Front

What is the main reason we see colors in objects?

Back

Objects reflect certain wavelengths of light.

Front

What is the term for the force that opposes motion between two surfaces?

Back

Friction.

Front

What is the effect of gravity on objects in free fall?

Back

They accelerate towards the ground.