ES - PS - Energy

A Rabbit Eating Grass - ES - PS - Energy

Bouncing Balls from Different Heights - ES - PS - Energy

Bumper Car-Style Chair Collisions - ES - PS - Energy

Flashlight Battery Energy - Light and Heat - ES - -PS - Energy

Hand-Crank Night-Light - ES - PS - Energy

Kicking a Soccer Ball at Different Speeds - ES - PS - Energy

Marble Collisions at Different Speeds - ES - PS - Energy

Marble vs. Marble Collisions on a Track - ES - PS - Energy

Rubber Band–Powered Car - ES - PS - Energy

Rubbing Hands Together to Feel Warmth - ES - PS - Energy

Solar-Powered Classroom Fan - ES - PS - Energy

Toy Car Colliding With a Stack of Blocks - ES - PS - Energy

Toy Car Rolling Down Ramps of Different Heights - ES - PS - Energy

Toy Car on a Ramp - Height to Motion Energy - ES - PS - Energy

Warming Different Surfaces in Sunlight - ES - PS - Energy

Wind-Powered Lifter - ES - PS - Energy

Wind-Up Car with Different Numbers of Turns - ES - PS - Energy