Vocab for the Sun

an exploding ball of burning gas held together by gravity

• star

• galaxy

• moon

• planet

A collection of billions of stars and other matter held together by gravity is called

• solar system

• light year

• galaxy

• comet

the act of perceiving the environment using one of the senses.

• recording

• writing

• looking

• observation

The measure of space between two things is called...

• distance

• time

• mile

• inch

A unit of distance equal to the distance light can travel in one year or 6 trillion miles.

• kilometer

• light year

• mile

• space mile

A prediction or educated guess that can be tested and used to guide further study is called...

• circumstance

• question

• hypothesis

• idea