Emilio drops a rubber ball from the same height several times and watches how it bounces. Each time, the ball bounces a little lower than before.

Jasmine lets a toy car roll down a ramp from three different starting heights.

Luis ties a small metal washer to a string and lets it swing back and forth. He counts how many times it swings and watches the way it moves.

Aaliyah pushes her skateboard across the pavement. She tries different pushes to see what happens.

You are testing how marbles move in different setups. Some setups create a pattern you can predict. Others do not.

Jolene pushes Connie on a swing.