ATD - The Solar System

1. The Universe is everything we can touch, feel,

sense, measure or detect.

• True

• False

2. The exact size of the universe is 93 billion light years across and we have observed it completely.

• True

• False

3. How do scientists believe the universe began?

• It began as the creation of the will of Zeus.

• It began as a result of an ancient battle between advanced civilizations.

• It began in a Big Bang about 14 billion years ago.

• It began from an ocean that was the home of ancient gods.

4. What are galaxies?

• Galaxies are group of stars and many other objects found in space.

• Galxies are groups of moons surrounding large planets.

• Galaxies are groups of planets clustered together.

• Galaxies are dust clouds in space where stras arre born.

5. The Solar System is made up of the Sun, the planets, and other objects. Check the boxes that ARE part of the Solar System. (3)

• dwarf planets

• balck holes

• comets

• asteroid belt

• neutron stars

6. Mark the options that name the inner planets of the Solar System. (3)

• Jupiter

• Venus

• Mercury

• Uranus

• Mars

7. Mark the options that name the outer planets of the Solar System. (3)

• Earth

• Saturn

• Neptune

• The Sun

• Pluto

8. The Sun is a yellow dwarf star at the center of our Solar System.

• True

• False

9. The Sun is made up by the following gases: (2)

• hydrogen

• oxygen

• kryptonite

• helium

10. Which of the following options would best describe Mercury?

• lush planet covered with green fields

• a blue planet covered with oceans

• barren planet covered with craters

• a gas planet with constant storms