Earth
Earth 2
Earth 3
Outer Space.
Outer Space
100

What is the most important liquid on planet Earth?

water

100

What is liquid rock called?

magma, lava

100

Why do we experience day and night?

The earth rotates.

100

What is the group of planets that revolve around the Sun called?

The Solar System

100

What is the only planet known to have life?

Earth

200

Name one land form that could have been made by glaciers?

rivers, gorges, lakes, moraines (piles of rock), caves

200

How many hours in a day?

24 hours

200

Why do we experience seasons?

The earth is tilted as it revolves around the Sun.

200

What causes the phases of the moon?

The Earth's shadow

200

Name a planet that has rings which revolve around them?

Jupiter, Saturn, Uranus, and Neptune

300

Name one of the Earth's oceans

Pacific, Atlantic, Indian, Southern (Antarctic), and Arctic oceans

300

How many months in a year?

12

300

What do we call the length of time it takes the Earth to orbit around the Sun?

a year

300

What is a dirty snowball in space?

a comet

300

What is the Milky Way?

a Galaxy 

400

Name one of Earth's continents that we do not live on.

Asia, Africa, North America, South America, Antarctica, Europe, and Australia (or Oceania)

400

How many days in a year?

365 (or 366 in a leap year)

400

What do we call the length of time it takes the Earth to rotate one time?

a day

400

name the 8 planets

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune

400

An instrument that magnifies, or makes larger, distant objects so that we can observe outer space.

a Telescope

500

What continent do we live on?

North America

500

What is the natural satellite that revolves around the Earth once every 28 days?

The Moon

500

What gives up the oxygen we breathe?

Trees!

500

What is the closest star to Earth?

The Sun

500

Who was the first human to walk on the Moon in 1969

Neil Armstrong