Nuclear Fusion

_____________ is a natural fusion reactor.

• Earth

• Jupiter

• The Sun

• Answers A and B

Tags

NGSS.HS-ESS1-1

When two nuclei combine to form a larger nucleus, the process is known as __________________________________.

• red shift

• gravitational effect

• nuclear fusion

• none of the above

Tags

NGSS.HS-ESS1-3

NGSS.HS-PS1-8

A thermonuclear bomb

• is a controlled fusion reaction.

• is a controlled fission reaction.

• is an uncontrolled fission reaction.

• is an uncontrolled fusion reaction.

Tags

NGSS.HS-PS1-8

Fusion is ______________________________.

• the combining of atoms to create a new atom.

• the joining of two atoms to form a chemical bond.

• the splitting of one atom to create two new atoms.

• the combining of two atoms to form a molecule.

Tags

NGSS.HS-PS1-8

Stars are mostly made up of nitrogen and oxygen.

• True

• False

Tags

NGSS.HS-ESS1-3

Balls of flaming gas in space are called ____________________.

• planets

• stars

• nebulae

• constellations

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Stars are

• balls of molten rock and medal.

• burning planets.

• parts of cosmic storms.

• balls of gas.

There is only one particle accelerator for scientists to use.

• true

• false

Nuclear fusion most commonly occurs with lighter elements.

• true

• false

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

What keeps a star from collapsing under its own gravity?

• fusion reactions

• fission reactions

• both A and B

• none of the above

Tags

NGSS.HS-ESS1-1