What is the most important liquid on planet Earth?
water
What is liquid rock called?
magma, lava
Why do we experience day and night?
The earth rotates.
What is the group of planets that revolve around the Sun called?
The Solar System
What is the only planet known to have life?
Earth
Name one land form that could have been made by glaciers?
rivers, gorges, lakes, moraines (piles of rock), caves
How many hours in a day?
24 hours
Why do we experience seasons?
The earth is tilted as it revolves around the Sun.
What causes the phases of the moon?
The Earth's shadow
Name a planet that has rings which revolve around them?
Jupiter, Saturn, Uranus, and Neptune
Name one of the Earth's oceans
Pacific, Atlantic, Indian, Southern (Antarctic), and Arctic oceans
How many months in a year?
12
What do we call the length of time it takes the Earth to orbit around the Sun?
a year
What is a dirty snowball in space?
a comet
What is the Milky Way?
a Galaxy
Name one of Earth's continents that we do not live on.
Asia, Africa, North America, South America, Antarctica, Europe, and Australia (or Oceania)
How many days in a year?
365 (or 366 in a leap year)
What do we call the length of time it takes the Earth to rotate one time?
a day
name the 8 planets
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune
An instrument that magnifies, or makes larger, distant objects so that we can observe outer space.
a Telescope
What continent do we live on?
North America
What is the natural satellite that revolves around the Earth once every 28 days?
The Moon
What gives up the oxygen we breathe?
Trees!
What is the closest star to Earth?
The Sun
Who was the first human to walk on the Moon in 1969
Neil Armstrong