Vocab 1
Vocab 2 &
Lesson 1
Lesson 2
Lesson 3
Lesson 4
100

The imaginary line around which Earth rotates

What is Axis?

100

The movement of Earth one time around the sun

What is Revolution?

100

This is what causes the stars move across the sky at night

What is Earth's rotation?

100

The moons cycle lasts about this long

What is a month?
100

This is why some objects appear to be smaller than they actually are

What is distance?

200

A pattern of stars that forms an imaginary picture or design in the sky

What is Constellation?

200

The turning of Earth on its axis

What is Rotation? 

200

The sun, moon, and stars rise in this direction

What is the East?

200

This unit is based on Earth's revolution of the sun

What is a year?

200

These two things make an object in space a star

What is it is made of gases and produces its own light?


300

A force that pulls things toward the center of Earth

What is Gravity?

300

Higher elevations allow you to see around the curve of Earth's Horizon $ You see only the top part of a ship as it sails over the horizon. 

What is proof that the Earth is curved?

300

The movement of this thing is not caused by Earth's rotation

What are birds?

300

This season has the least amount of sun; the sun rises later and sets earlier.

What is Winter?

300

The sun will appear the smallest on this planet

What is Neptune?

400

One half of the Earth

What is Hemisphere?

400

Gravity is a ________ and affects all matter on ________. 

What is Force and Earth?

400

The stars' movements are similar to the sun's movement for this reason.

What is they appear to move across the sky because of Earth's rotation?

400

The midday sun is in a similar position in the sky during these two seasons

What are Fall and Spring?

400

This describes how bright a star is

What is Luminosity?

500

The path one object in space around another object

What is Orbit?

500

The direction of force of gravity

What is in towards its core?

500

In this season, the sun begins to rise earlier and set later. 

What is Spring?

500

Earth revolves around this item in space

What is the Sun?
500

This is the unit used to measure vast distances in space

What is a lightyear?