Physics Scope 16 - Intro

Where were the elements that make up all matter on Earth created?

Hint: See the "Stars and Elements" section on reading packet page 1.

• In the oceans

• In the stars

• In the Earth's core

• In the atmosphere

What process produced a massive amount of hydrogen after the Big Bang?

Hint: See the "Stars and Elements" section on reading packet page 1.

• Chemical reactions

• Radioactive decay

• Big Bang nucleosynthesis

• Stellar nucleosynthesis

How were elements as heavy as iron formed?

Hint: See the "Stars and Elements" section on reading packet page 1.

• By nuclear fusion in more massive stars

• By chemical reactions

• By gravitational collapse

• By radioactive decay

What provides evidence of the process of nucleosynthesis?

Hint: See the "Stars and Elements" section on reading packet page 1.

• The color of stars

• The temperature of stars

• The size of stars

• The absorption and emission spectrum of stars