Unit 2 Vocabulary: Part 1

Everything that exists, including all matter, energy, galaxies, stars, planets, and space.

• Solar System

• Universe

• Planet

• Star

Tags

NGSS.MS-ESS1-2

The sun, planets, moons, and other objects that orbit the sun.

• Solar System

• Planet

• Moon

• Star

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

1. A large, round object that orbits a star (like the sun), such as Earth or Mars.

• Solar System

• Planet

• Star

• Galaxy

Tags

NGSS.MS-ESS1-3

A huge, glowing ball of hot gases, like our sun, that gives off light and heat.

• Planet

• Solar System

• Galaxy

• Star

Tags

NGSS.MS-ESS1-1

The apparent shift in the position of an object when viewed from different angles, often used to measure distances to stars.

• Parallax

• Galaxy

• Star

• Nuclear Fusion

1. A process where atoms combine to create energy, like in the sun where hydrogen atoms come together to make helium and release energy.

• Parallax

• Nuclear Fusion

• Galaxy

• Solar System

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

1.  A massive collection of stars, gas, dust, and planets held together by gravity, like our Milky Way.

• Galaxy

• Solar System

• Planet

• Star

Tags

NGSS.MS-ESS1-2