The four inner planets are____________.
Mercury, Venus, Earth, Mars
The Moon appears to change shape during the month because ___________
Moon orbits Earth, the angle of the Sun’s reflection changes
Different parts of the Moon light up at different times
The Moon is spinning so the Sun shines on different parts
The Earth’s shadow moves across the Moon
If the Earth were to spin around its axis twice as fast as it does right now, what would happen?
Day would be half as long, night would be half as long
Day would be half as long ,night would be twice as long
Day would be twice as long, night would be half as long
This planet is closest to the sun.
Mercury
The rocks and soil that cover much of Mars contain the mineral ___________ oxide.
iron
A satellite is an object that __________ another object in space.
orbits
__________ is the eighth planet from the Sun.
Neptune
Mars is the _________ planet from the Sun.
fourth
A _____ ___________is a very large planet made mostly of gases.
gas giant
Like Jupiter, _______________ atmosphere is mostly hydrogen and helium.
Saturn's
___________ is the largest planet in our solar system.
Jupiter
Mercury is covered with thousands of dents. What are these dents called?
craters
The gas giant __________ is the farthest planet you can see without a telescope.
Uranus
___________ has an atmosphere made of thick, swirling clouds.
Venus
Earth is the only planet in the solar system known to support ___________.
life
This is the largest of the inner planets.
Earth
____________ are satellites of planets.
Moons
Neptune is the _____________ of the gas giants.
largest
smallest
What planet is closest to the sun?
Mercury
The diameter of the Moon is about ___________ the diameter of Earth.
1/3
1/5
1/2
1/4