The roots will grow upwards due to gravity.

The roots will grow downwards due to gravity.

The roots will grow towards the light.

The roots will grow towards the paper towel.

It is easier to run downhill than to run uphill.

Trees grow to be many different heights.

Big, heavy planes can fly but small animals like mice and hamsters cannot.

On a clear night you can see millions of stars in the sky.

The roots will twist around.

The roots will grow towards the sky.

The roots will grow towards the ground.

The roots will not grow in a bag.

A basketball player bounces the ball off the ground and it returns to her hand.

An airplane lands gracefully when being piloted by an expert fighter pilot.

A maple tree’s discarded leaves lay beneath it in late autumn.

The planets remain in the same orbit around the sun for billions of years.

Gravity pulls objects downward, as you can see from watching rain fall down from the sky.

Gravity does not work in water, or else boats and rafts would not float.

Gravity only works on some animals, like dogs and cats, but not on others, like birds and insects.

Gravity can pull objects upward or downward depending on the kind of object.

When I jump up in the air I always come down because of gravity.

Birds soar through the sky and fish float in the water, so gravity doesn't always work.

Plants and trees grow upward, so they do not always obey gravity.

Gravity sometimes pulls objects sideways, like when wind blows sand into the air.

Sandbox

Slide

Cargo net

Rickety wooden bridge

Merry-go-round

Dropping a rock and a feather off of the top of a staircase to see how fast each one falls.

Carving a piece of wood like a boat to see if it floats in your bathtub.

Growing two plants with different amounts of sunlight and water to see which one grows taller.

Soaking two pennies, one in soda and one in water, to see what effect the soda has on the metal.

True

False

Air

Gravity

Light

Water