Science Flashcard 1

Front

Earth's main source of energy is the ______

Back

sun

Front

The sun is a ball of _________

Back

gas

Front

What is an object in the solar system that produces its own heat and light energy?

Back

a star

Front

What is a large ball of gas or rock that revolves around the sun called?

Back

planet

Front

A design or natural order that happens over and over again is _______

Back

pattern

Front

What do we call the force that pulls objects toward each other?

Back

gravity

Front

What is the name of the path that planets take around the sun?

Back

orbit

Front

What is the term for a natural satellite that orbits a planet?

Back

moon

Front

What is the center of our solar system?

Back

the sun

Front

What do we call the study of the universe and everything in it?

Back

astronomy