First year: Earth & Space

What type of reactions occur to form stars?

• Displacement reactions

• Allergic reactions

• Nuclear reactions

• None of the above

Identify the elements involved in nuclear reactions

• Sulfur and oxygen

• Hydrogen and helium

• Potassium and boron

• Hydrogen and oxygen

Choose the correct order to show the stages of a stars lifecycle

• 1. Formation, 2. Stable period, 3. Red Giant, 4. White dwarf

• 1. Formation, 2. Red Giant, 3. Stable period, 4. White dwarf

• 1. Stable period, 2. White dwarf, 3. Formation, 4. Red Giant

• 1. Supernova, 2. Stable period, 3. White dwarf, 4. Formation

What is the name of the gas/dust clouds that form stars?

• Protostars

• Supernova

• Nebulas

• Neutron Star

A white dwarf star is very dense. True or false?

• True

• False

During the stable period of a stars lifecycle, it is known as a main ____________ star.

• proto

• bright

• sequence

• super

In which phase of the life cycle is our Sun?

• Formation

• White dwarf

• Red Giant

• Stable period

Which statement is most accurate when describing a galaxy?

• A galaxy accounts for everything in the Universe

• A galaxy is composed of stars, oxygen and all matter on planet Earth.

• A galaxy is a collection of millions of stars, along with gas and dust all held together by gravitational forces.

• A galaxy is made up of chocolate

Our solar system is located in a galaxy called the______

• Andromeda

• Magellanic Cloud

• Tadpole

• Milkyway

What shape is our galaxy?

• Pinwheel

• Irregular

• Spiral

• Flat