Energy

What is energy?

• The ability to cause change or do work in objects or systems.

• The amount of matter in an object or how much it weighs daily.

• The process by which plants make food using sunlight and air.

• The way sound moves through air and makes things vibrate fast.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What is kinetic energy?

• The energy of motion in moving objects or living things.

• The energy stored in food that animals eat for their bodies.

• The energy of light that travels from the sun to the earth.

• The energy that is stored in batteries for use in devices.

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

What is potential energy?

• Stored energy based on position or condition of an object.

• Energy that is released when a plant grows in the sunlight.

• Energy that moves from one place to another in a wire.

• Energy that is used up when a car moves down the street.

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NGSS.MS-PS3-2

Which is an example of energy transfer?

• Heat moving from a warm stove to a cold metal pot nearby.

• A tree using sunlight to make food in its green leaves daily.

• A ball sitting at the top of a hill before it starts to roll.

• A battery storing energy for use in a flashlight at night.

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NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which is an example of energy conversion?

• A lamp changing electrical energy into light and heat energy.

• A rock sitting still at the edge of a high mountain cliff.

• A person eating food to get energy for running and jumping.

• A drum making sound when it is hit with a stick or a hand.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What happens during a collision between two objects?

• Energy and motion can transfer from one object to another.

• The two objects lose all their energy and stop moving fast.

• The two objects always bounce off each other with no sound.

• The two objects stick together and never move apart again.

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NGSS.MS-PS2-1

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Which object has the most kinetic energy?

• A fast-moving car driving down a highway on a sunny day.

• A book sitting on a shelf in a quiet library all afternoon.

• A tree standing still in a park during a calm, windless day.

• A rock resting on the ground at the bottom of a tall hill.

Tags

NGSS.MS-PS3-1

Which object has the most potential energy?

• A ball held at the top of a slide before it starts to roll.

• A leaf floating gently down from a tree to the soft ground.

• A bird flying quickly across the sky on a windy, bright day.

• A fish swimming in a pond with other fish and water plants.

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NGSS.MS-PS3-2

What happens when you rub your hands together quickly?

• Kinetic energy changes to heat energy you feel on your skin.

• Potential energy is created and stored in your moving hands.

• Sound energy is made but no other form of energy appears.

• Light energy is produced and your hands start to glow red.

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NGSS.MS-PS1-4

NGSS.MS-PS3-5

How does energy move from the Sun to Earth?

• Light energy travels through space and reaches Earth as sunlight.

• Sound energy moves from the Sun to Earth through the air.

• Heat energy is carried by wind from the Sun to the planet.

• Mechanical energy pushes clouds from the Sun to the Earth.