Amplify Unit 1 Chapter 1 Vocabulary

Front

explanation

Back

a description of how something works or why something happens

Front

evidence

Back

information that supports an answer to a question

Front

model

Back

something scientists make to answer questions about the real world

Front

solar system

Back

the sun, the planets that orbit the sun, and other objects that orbit the sun

Front

True or False: The sun is the only star in our solar system.

Back

True

Front

investigating

Back

an attempt to find out about something

Front

galaxy

Back

a large system of stars, gas, and dust held together by gravity

Front

universe

Back

all of space and everything in it, including stars, planets, and galaxies

Front

planet

Back

a celestial body that orbits a star and is large enough to be rounded by its own gravity

Front

star

Back

a massive, luminous sphere of plasma held together by gravity