S6E1

The explosion that sent the universe flying out is called _____.

• The Big Bang

• The Milky Way

• The Solar System

• The Sun

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

Tags

NGSS.HS-ESS1-2

The force keeping a planet in orbit around the sun is...

• Friction
• Tension
• Gravity
• weight

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Who was the person that popularized the geocentric model?

• Galileo

• Aristotle

• Copernicus

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

Copernicus' view of the universe

• Galaxy
• Geocentric
• Astonomy
• Heliocentric

Tags

NGSS.HS-ESS1-4

The order of the planets is:

• Mars,Venus,Earth,
  Mercury,Saturn
  Jupiter, Uranus, Neptune
• Earth,Venus,Mars
  Jupiter, Neptune,
  Mercury,Saturn,
  Uranus
• Mercury,Venus,Earth
  Mars,Jupiter,
  Saturn,Uranus
  Neptune
• Mercury, Earth, Venus, Mars, Saturn, Jupiter, Neptune, Uranus

What is a comet made of?

• ice

• rock and metal

• gas

• ice, rock, dust, and gases

When a meteor hits Earth, what is it called?

• meteorite
• meteroid
• meteor

What is a meteoroid that burns up in Earth's atmosphere?

• Comet

• Asteroid

• Meteor

• Meteorite