Astronomy Flashcard 8th Grade

Front

What is the difference between a scientific law and a scientific theory?

Back

Laws describe what already happens. Laws are usually proven mathematically. Theories explain why things happen, but are not able to be proven in the same way.

Front

What is a celestial body that orbits around a star and does not produce light of its own?

Back

Planet

Front

What is the star at the center of our solar system?

Back

Sun

Front

Which branch of science studies celestial objects, space, and the physical universe?

Back

Astronomy

Front

What is the Big Bang Theory?

Back

A theory that says the universe began as a small point that expanded rapidly about 13.7 billion years ago.

Front

What is a planet?

Back

A celestial body that orbits a star and does not produce its own light.

Front

What is the definition of a star?

Back

A massive, luminous sphere of plasma held together by gravity, undergoing nuclear fusion.

Front

What is the Milky Way?

Back

The galaxy that contains our solar system, consisting of billions of stars.

Front

What is a comet?

Back

A celestial body made of ice, dust, and rocky material that, when close to the sun, displays a visible atmosphere or tail.

Front

What is an asteroid?

Back

A small rocky body that orbits the sun, primarily found in the asteroid belt between Mars and Jupiter.