Science Quiz 1.3

True or False: The Earth is always moving

• True

• False

True or False: Day and Night occur because the Earth revolves around the sun

• True

• False

Season change because _______

• The Earth spins (rotates)

• The Earth moves around the sun (revolves)

• Seasons don't change

• It's nice to have different weather

True or False: While the Earth spins it also moves around the Sun

• True

• False

Earth's motion changes how energy from the _____ spreads out over Earths surface.

• moon

• planets

• sun

• asteroids

Which star is the closest to Earth?

• UY Scuti

• The Sun

• Pluto

The Sun takes up _____of the mass of our solar system.

• 75%

• 98.8%

• 88.9%

• 100%

A nuclear reaction takes place inside the sun, which is ______

• Hydrogen is changed into Helium.

• Helium is changed into Hydrogen.

____ million tons of hydrogen is changed to helium every second

• 100

• 620

• 900

• 200

UY Scuti is the largest star is the _______

• solar system

• universe

• world