Universe and solar system

What is at the center of the Solar System?

• The Sun is at the center of our solar system.

• The Earth is at the center of our solar system.

• The planet Mars is at the center of the solar system.

• The moon is at the center of the solar system.

What is a star?

• A star is yellow

• A star is a body of liquid.

• A star is a white body made up of liquids.

• A star is a body of hot gases that makes its own light and heat.

True or False. Our Sun is a star.

• False

• True

All stars (and most of the visible universe) are made up of which two elements?

• Helium and Lithium

• Hydrogen and Helium

• Hydrogen and Ferrium

• Carbon and Oxygen

a light year is a measurement of

• speed

• distance

• time

• space

The universe is _____________, as seen by our balloon model.

• shrinking

• blowing up

• very unstable

• expanding

The distance light can travel in one year

• LIght Year

• Space Year

• Astronomical Unit

• Par sec

Whta type of galaxy is this?

• spiral

• barred spiral

• elliptical

• irregular

our solar system is located int he center of our galaxy

• True

• False

What does the universe contain?

• Only stars

• Only planets

• Only galaxies

• Galaxies, stars, planets, moons, and living organisms