April 13, 2018 Bellringer

A small object that appears as a streak of light as it enters earth's atmosphere.

• Asteroid
• Comet
• Moon
• Meteor

The GAS GIANTS or Outer planets are

• Mercury, Earth, Jupiter, Saturn

• Saturn, Neptune, Pluto, Mars

• Saturn, Jupiter, Uranus, Neptune

• Earth, Mars, Saturn, Neptune

The inner planets are

• Jupiter, Earth, Mars, Mercury

• Saturn, Uranus, Mars, Earth

• Earth, Pluto, Neptune, Mars

• Mercury, Venus, Earth, Mars

People used to think that Earth was the center of the solar system, They thought everything orbited around it. They called this the _________ model.

• Geocentric

• Earth First

• Egocentric

• Heliocentric

The four terrestrial planets all have

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

Which planet is the hottest planet? (It has a very thick atmosphere.)

• Mercury

• Mars

• Venus

• Saturn

Why do the sun and moon appear to move across the sky?

• the rotation of the solar system makes the sun and moon seem to move
• the rotation of the earth make the sun and moon seem to move
• the sun and moon revolve around earth
• the earth revolves around the sun and moon

Why does the moon appear to shine?

• It is like a star and gives off light.

• it refracts light from space.

• It reflects light from the sun.

• It absorbs light from the sun.

How does changing the mass of objects affect the force of gravity?

• Increasing mass will decrease gravity.

• Decreasing mass will increase gravity.

• Mass will not affect gravity.

• Increasing mass increases gravity.

How does changing the distance between objects affect the force of gravity?

• Decreasing distance increases gravity
• increasing distance increases gravity 
• Distance does not affect gravity