A change in velocity over time.

A molecule that carries genetic information.

A segment of DNA that determines a trait.

A characteristic passed from parents to offspring.

A process where organisms better adapted to their environment survive and reproduce.

A change in DNA that can affect traits.

A trait that helps an organism survive in its environment.

A community of living and nonliving things interacting in an environment.

An organism that makes its own food (like plants).

An organism that eats other organisms.

An organism that breaks down dead material.

Large sections of Earth’s crust that move and cause earthquakes, volcanoes, and mountain building.

A sudden shaking of Earth’s surface caused by the movement of tectonic plates.

The process of rock formation, breakdown, and reformation.

The breaking down of rocks by wind, water, or other natural forces.

The movement of weathered material by wind, water, or ice.

The average weather conditions in a region over a long time.

The layer of gases that surrounds Earth.

The force that pulls objects toward one another, especially toward Earth.

When heat moves through direct contact (like a hot pan).

When heat moves through liquids or gases (like boiling water).

Heat that travels through space (like sunlight).

A repeating movement that carries energy.

How tall a wave is (shows how strong it is).

The distance between one wave and the next.

How many waves pass by in a certain amount of time.

When a wave bounces off something (like a mirror).

When a wave bends as it goes through something (like light in water).

The path an object takes as it goes around something else (like Earth around the Sun).

When something spins around (like Earth spinning on its axis).

When one object goes all the way around another (like a planet around the Sun).

The Sun and everything that orbits it.

A huge group of stars, gas, and dust (like the Milky Way).

Everything that exists: all space, time, matter, and energy.

The distance light travels in one year (used to measure space distances).

Science Concepts Flashcards

Student preview

47 questions

Show all answers

1.

FLASHCARD QUESTION

Front

Atom

Back

The basic unit of matter; made of protons, neutrons, and electrons.

2.

FLASHCARD QUESTION

Front

Molecule

Back

Two or more atoms bonded together.

3.

FLASHCARD QUESTION

Front

Element

Back

A pure substance made of only one type of atom.

4.

FLASHCARD QUESTION

Front

Compound

Back

A substance made of two or more elements chemically combined.

5.

FLASHCARD QUESTION

Front

Chemical Reaction

Back

A process that changes substances into new substances.

6.

FLASHCARD QUESTION

Front

Kinetic Energy

Back

Energy of motion.

7.

FLASHCARD QUESTION

Front

Potential Energy

Back

Stored energy due to an object’s position or condition.

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