April 18, 2018 Bellringer

Gravitational attraction between objects depends on two things. What are they? Choose TWO answers!

• distance

• mass

• speed

• volume

Put these objects in order, starting from space and ending on Earth.

• meteor--meteorite--meteoroid

• meteor--meteoroid--meteorite

• meteoroid--meteor--meteorite

• meteoroid--meteorite--meteor

• meteorite--meteoroid--meteor

Almost Earth’s twin in size and mass, this planet has very thick sulfurous atmosphere that makes it look yellow.

• Venus

• Mars

• Mercury

• Neptune

Which planet has the smallest pull of gravity?

• Saturn

• Jupiter

• Neptune

• Mercury

One of the main differences between the outer and inner planets is __________.

• The inner planets all have water

• the inner planets are much bigger than the outer planets

• the outer planets are gas planets

• the outer planets have rings, and the inner planets don't

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

Every object in the universe is attracted to every other object in the universe. What factor does not affect the strength of gravitational attraction?

• Mass of the objects

• Distance between those objects

• Speed of those objects

Which two planets are out of order in this list of our solar system?

Mercury-Earth-Venus-Mars-Jupiter-Saturn-Uranus-Neptune.

• Mercury and Earth

• Earth and Venus

• Saturn and Jupiter

• Uranus and Neptune

What causes meteors to burn up in our atmosphere?

• Heat from the Sun
• Heat from Earth's atmosphere
• They are already so hot that our atmosphere can't handle it
• Friction from the Earth's atmosphere