Behaviorism-Based Questions: Planet Earth

Why does the Sun appear to move across the sky during the day?

• The Sun is moving quickly around Earth

• The clouds make it look like the Sun is moving

• Earth is rotating on its axis

• The Moon is moving the Sun

Which TWO planets are known as the 'gas giants'?

• Earth and Mars

• Mercury and Venus

• Jupiter and Saturn

• Neptune and Pluto

What happens to shadows on Earth as the Sun moves from east to west?

• They disappear

• They stay the same all day

• They move and change length

• They glow at night

Which planet has rings made of ice and rock?

• Venus

• Earth

• Saturn

• Mars

How long does it take Earth to orbit the Sun once?

• 30 days

• 12 hours

• 365 days

• 7 days

Why do we always see the same side of the Moon from Earth?

• The Moon does not spin

• The Sun blocks the other side

• The Moon rotates once every time it orbits Earth

• The Moon is flat

Which of these best explains what a satellite is?

• A star that shines brightly

• An object that orbits a planet

• A rock that floats in space

• A telescope in the sky

What causes the different phases of the Moon (e.g., full moon, new moon)?

• Earth moving around the Moon

• The Moon changing shape

• The Moon reflecting different amounts of sunlight

• The stars blocking the Moon

Which planet is tilted on its side and spins almost horizontally?

• Mercury

• Mars

• Uranus

• Neptune

Which is a reason Earth can support life, unlike many other planets?

• It is closest to the Sun

• It spins the fastest

• It has water, oxygen, and the right temperature

• It is made only of rock