The Universe
Earth
The Moon
Space
Key Words
100

The creation of our Universe

The Big Bang

100

The liquid that is essential for life on Earth

Water

100

Holes in the Moon

Crater

100
The number of planets in our solar system

8

100
What is Earth?

Planet

200

A group of stars

Constellation

200

The layer of gases that surround the Earth

Atmosphere

200

Changes in the Moon's appearence

Moon Phases

200

Large rocks that orbit the sun

Asteroids

200

Someone who studies space and the Universe

Astronomer

300

The Milky Way is an example of what?

Galaxy

300

An impact of climate change

Melting ice, extreme weather events, biodiversity loss, climate migration

300

Solar and Lunar of examples of what

Eclipse

300

What kind of planet is Pluto?

Dwarf Planet

300

When the planets go around the Sun

Orbit

400

What colour are the hottest stars

White or blue

400

The release of harmful substances into the environment

Pollution

400

The moon's gravity causing changes in water level

Tides

400

Man made devices that orbit Earth

Artificial satellite

400

Carbon dioxide and methane which trap that sun"s heat

Greenhouse gases

500

The amount of light a star gives off 

Brightness

500

How long does the Earth take to complete 1 revolution around the sun?

1 year or 365 days

500

How many days it take for the moon to orbit Earth?

28

500

The first person to land on the moon

Neil Armstrong

500

When Earth's temperature increases

Global warming