What do batteries do?

Store energy and change it from one form to another.

What do solar cells do?

Convert energy of sunlight into electrical energy.

What is motion energy?

The energy something has due to movement.

What is a wind turbine?

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 one point on a wave and the same point on the next wave.

The highest point on a wave, also known as the crest.

What are sound waves?

Vibrations of air particles that transmit sound, and are a type of longitudinal wave.

What are transverse waves?

Waves where the disturbance moves perpendicular to the direction of the wave, moving up and down.

What are longitudinal waves?

Waves where the disturbance moves parallel to the direction of the wave, moving forward and back.

The smallest possible unit of matter.

How were fossil fuels formed?

Formed millions of years ago out of plants and animals, usually extracted from deep underground.

What are common fossil fuels?

Gasoline, coal, and natural gas.

What are renewable resources?

Sources of energy that can be more easily replenished.

What are examples of renewable energy?

Wind, sunlight, waves, and Earth's heat.

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

A liquid renewable fuel made from plants like corn.

Where does light come from?

Things like the sun, light bulbs, and candles.

What is light reflection?

When light bounces off of things and allows us to see.

What is a camera obscura?

A darkened box used to project an image of an external object onto a screen inside.

A curved piece of glass or plastic that concentrates light rays.

What makes up the nervous system?

Our head, spinal cord, and a network of nerves.

What does the nervous system do?

Tells us how to act and react to things.

Send electrical signals to and from the brain.

What are sense receptors?

The specific part of the body that experiences one of the senses, like taste buds on our tongue.

A message to or from the brain.

What is reaction time?

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

What is the body made up of?

A series of systems that work together to help you survive.

Anything made up of a number of parts held together in a particular way.

What are internal structures?

Structures found on the inside of living things, such as the heart, lungs, or brain.

What are external structures?

Structures found on the outside of living things like skin, eyes, and claws.

What are exoskeletons?

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

What is an adaptation?

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

What is the environment?

Everything living and nonliving in an area.

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 like the ocean.

What are sedimentary rocks?

Rocks made when sand and mud gets laid down in layers, eventually turning into rock.

NGSS 4th Grade Vocabulary Cards Flashcards

Student preview

77 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is energy?

Back

Energy is the ability to do work.

2.

FLASHCARD QUESTION

Front

What is a Rube Goldberg Machine?

Back

A complex contraption that performs a simple task, such as pouring a glass of lemonade.

3.

FLASHCARD QUESTION

Front

What happens when one object runs into another?

Back

Energy is transferred.

4.

FLASHCARD QUESTION

Front

What is a collision?

Back

When one object runs into another.

5.

FLASHCARD QUESTION

Front

What is contact?

Back

When two objects touch each other.

6.

FLASHCARD QUESTION

Front

What does it mean if an object is stationary?

Back

The object is not moving.

7.

FLASHCARD QUESTION

Front

What does a generator do?

Back

Changes energy from one form to another.

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