When one object runs into another, it causes the energy to transfer from the first object to the second.

When one object runs into another

When one object touches another

When energy is being moved from place to place

This changes energy from one form to another

These store chemical energy

Converts energy of sunlight into electrical energy

The energy something has due to movement

A device that produces energy by spinning big blades, which in turn spins a generator to make electricity

The height of a wave. Usually measured from the wave's resting point to the peak of the wave.

The distance between wave peaks. Usually measured from the peak of one wave to the peak of the wave next to it

A gas that can be burned for energy. It is often used to heat our homes and stoves.

A liquid renewable fuel made from plants like corn

The main source of energy today (gasoline, coal and natural gas). It was formed millions of years ago out of plants and animals and is usually extracted from deep underground.

Sources of energy that can be more easily replenished. Things like wind, sunlight, waves, and earth's heat.

Sources of energy that can't be easily replenished like coal, oil, and natural gas.

A machine that converts chemical energy from burning fuel to motion.

A solid fossil fuel that can be burned for energy.

The highest point on a wave. Also called a crest.

Vibrations of air particles that transmit sound.

When a wave moves up and down

When a wave moves forward and back.

The smallest possible unit of matter

The place where light originates from.

the ability to see

One of the earliest ways to send messages using a pattern of short and long beeps

Tiny lights that make up the screens of our devices

to send from one place to another

Made up of our head, spinal cord, and a network of nerves

Send electric signals to and from the brain

The time it takes you to process information and take action.

The number of times your heart beats each minute

Pumps blood throughout the body providing it with oxygen and removing waste

It's main component is the lungs. It gets oxygen into your blood stream.

Made up of the stomach, intestines, and other components

Provide living things with energy and building blocks to grow

A type of skeleton found on the outside of a living thing that covers its body for protection

A scientist that studies plants

Design of materials inspired by nature

A characteristic of a living thing that helps it survive in its environment

An animal that eats other animals

An animal that is eaten by other animals

Evidence of past life on earth

Fine sand, clay, or other material carried by moving water and deposited at the bottom of a body of water

After pieces of the earth are broken down through weathering, those pieces are moved by this process.

The process by which earth's surface is broken down into smaller pieces.

After pieces of the earth are carried by erosion they are deposited somewhere else. This is called ____________.

A slow moving mass of ice formed by the buildup of snow

All the rock, soil, and sediments that make up Earth's land

All the oceans, rivers, lakes, and water on Earth.

All the gases surrounding the Earth

All the living things on Earth

A solid form of carbon dioxide that is very cold and turns directly from a solid to a gas.

An instrument used to record data about earthquakes

A sudden, violent shaking of the ground caused by movement of giant plates in the earth's crust.

Natural events that can cause great damage

A huge ocean wave caused by a disturbance in the ocean floor

An opening on Earth's surface that allows molten rock, called magma, to escape from inside the earth

Molten rock inside the earth

Large, moving slabs of rock that make up the planets outer layer.

The outer layer of the planet

A metal rod mounted on or near a building that protects it against electrical surges

A large, rotating storm with high wind speeds that forms over warm waters

Anything that has weight and takes up space

The smallest possible unit of matter

The space occupied by a solid, liquid, or gas

To mix in with another substance. For example: when salt is added to water, it forms saltwater

A property of matter that measures how close together the particles are inside a substance.

A property of matter that measures how well one thing can dissolve in another

A property of matter that measures how well something can allow electricity to flow through it.