Ch 7 Science Test

What is nuclear fusion?

• dark areas on the sun's surface

• the process where by the nuclei of atoms fuse together to form a larger nucleus

• a nuclear explosion

• a small orbiting body made of dust, ice, and frozen gases

What are sunspots?

• a hot spot at the beach

• a sunny spot

• dark areas on the sun's surface

• a huge system of gas, dust, and stars

What word means the Sun?

• solar

• nuclei

• fire

• yellow

What is the sun?

• a small green star

• a boy

• dark area

• a yellow star

What type of reactions are at the Sun's core and is the source of the Sun's energy?

• sunspot reaction

• chemical reaction

• nuclear reaction

• solar reaction

What is the fuel use to generate the Sun's energy?

• carbon dioxide

• hydrogen

• flares

• fire

What happens when all the hydrogen (Sun's fuel) is used up?

• The Sun will move into the Giant stage of its life cycle and will begin to "die".

• The Sun will go boom

• It will gain more hydrogen

• It will move closer to the planets

What does the Sun contain?Multi-Answers-On Quizizz is correct two choices

• hydrogen

• glowing gas called plasma

• carbon dioxide

• poisonous gases

What are solar flares?

• powerful eruptions of particles that shoot into space

• volcanoes

• weak volcanic eruptions that shoot lava into space

• flares from the sun

What is the main source of energy on Earth?

• Water

• Food

• The Sun

• An Ultra boos energy bar