What is the approximate age of the universe?

• 13.8 billion years

• 4.5 billion years

• 10 billion years

• 1 billion years

Tags

NGSS.HS-ESS1-2

What is the approximate age of the Earth?

• 13.8 billion years

• 4.5 billion years

• 10 billion years

• 1 billion years

Tags

NGSS.HS-ESS1-5

What are the two most common elements in the universe?

• Hydrogen and Helium

• Oxygen and Carbon

• Nitrogen and Hydrogen

• Iron and Silicon

What process fuels stars?

• Nuclear fusion

• Chemical reaction

• Gravity

• Electromagnetic radiation

Tags

NGSS.HS-ESS1-1

True or False. Stars last forever.

• True

• False

Tags

NGSS.HS-ESS1-3

What is the most massive object in our solar system?

• The Sun

• Jupiter

• Earth

• Saturn

Tags

NGSS.MS-PS2-4

Which planets are terrestrial planets?

• Mercury, Venus, Earth, Mars

• Jupiter, Saturn, Uranus, Neptune

• Pluto, Eris, Haumea, Makemake

• Ceres, Pallas, Vesta, Hygiea

Which planets are considered "gas giants"?

• Mercury, Venus, Earth, Mars

• Jupiter, Saturn, Uranus, Neptune

• Pluto, Eris, Haumea, Makemake

• Ceres, Pallas, Vesta, Hygiea

What holds all the objects in our solar system in orbit?

• Gravity

• Magnetism

• Electromagnetic force

• Centrifugal force

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What are the three criteria used to define a planet?

• Large size, rings, many moons

• Orbits a star, has liquid oceans, thick atmosphere

• Orbits the Sun, spherical shape, cleared its orbit of other debris

• Mass, density, magnetic field