April 14, 2021 Science Warm Up

What is at the middle of a Heliocentric system?

• Mars

• Moon

• Sun

• Earth

What is at the middle of a Geocentric system?

• Sun

• Neptune

• Earth

• The Universe

Who proposed the Heliocentric system?

• Copernicus

• Ptolemy

• Aristotle

• Galileo

What does the Heliocentric system look like?

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What does the Geocentric system look like?

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What is the biggest difference between the Geocentric Model and the Heliocentric Model?

• the shape of the planets' orbits

• the movement of the moon

• the center of the solar system

Kepler's first law states that the orbits of the planets are in the shape of a/an...

• perfect circle

• ellipse

• spiral

  What does "geo-" mean?

• Earth

• sun

• Center

Most scientists believe the Big Bang Theory explains which of the following questions?

• How our planets and moons formed

• How our universe began

• How the sun turns hydrogen into helium

• How fast light travels through space

Which of the following is evidence of the Big Bang Theory?

• Cavemen heard a loud bang at the beginning of time.

• The universe isn't moving

• The universe is expanding

• The universe is getting smaller