Science

The spinning of an object on its axis is called______

• orbit
• rotation
• revolution
• tide

Almost Earth’s twin in size and mass, this planet has very thick atmosphere.

• Venus
• Mars
• Mercury
• Neptune

The surface of this planet appears red due to rusting iron in the rocks.

• Mercury
• Mars
• Pluto
• Venus

This gas giant has a large storm in its atmosphere known as The Red Spot

• Jupiter
• Saturn
• Uranus
• Neptune

Mixtures of ice, rock, and dust.

• comets

• asteroids

• meteors

• dwarf planets

An _______ is between the orbits of Mars and Jupiter. 

• Oort Cloud
• Asteroid belt
• Kuiper belt
• Photosphere

The curved path in which a planet, satellite, or spacecraft moves in a circle around another object.  The path one object takes around another.

• rotate
• orbit
• moon
• revolve

Which of the following causes seasons?

• the earths tilt
• the earths rotation
• the earths revolution around the sun
• the earths size 

The four terrestrial planets all have ______.

• Rocky surfaces
• Hot temperatures
• Deep atmospheres
• Large size

Two factors effecting the magnitude of the force of gravity between 2 objects are...

• mass and distance 
• mass and matter
• distance and weight 
• weight and mass