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21/22 First Semester Final

Authored by Breanne Hansen

Science

10th - 12th Grade

Used 220+ times

21/22 First Semester Final
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87 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The energy from the sun that reaches Earth is the result of which of the following processes, repeated many times in the core of the sun?

The nuclei of two atoms are combined to form a single atom with a larger nucleus.

Helium atoms are rearranged to form Hydrogen atoms.

Compounds are broken down into smaller, less complex substances.

An atomic nucleus spontaneously splits into two separate atoms with less mass.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What element is considered the Sun’s Fuel during the Main Sequence Stage of the Star's Life Cycle?

Hydrogen

Helium

UV Radiation

Both Hydrogen and Helium

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Identify the reactant(s) of nuclear fusion in the main sequence stage of the medium mass star

Hydrogen

Helium

Gamma Rays

Answer explanation

Remember, reactants are what reacts in the chemical reaction. What goes in?

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Identify the product(s) of nuclear fusion in the main sequence stage of the medium mass star

Hydrogen

Helium

Gamma Rays

Answer explanation

Remember, products are what is produced in the chemical reaction, or what comes out.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following best describes the transfer of energy from the sun to Earth?

Gamma Rays carry particles of matter from one location to another.

Hydrogen atoms from the core of the sun go through nuclear fusion, causing them to explode towards Earth

Electromagnetic waves, which include photons we see as sunlight (visible light), heat (infrared) and UV radiation, travel from the Sun to Earth

Energy originates in the Earth and travels towards the Sun

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nuclear Fusion

The explosion of a star

A chemical process that happens only in high mass stars like our Sun

All space and matter that exist

Two smaller atomic nuclei are forced together under a massive amount of heat and pressure

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What stage of the Star Cycle is A in the image shown?

Red Supergiant

Main Sequence Stage

Neutron Star

Stellar Nebula

Black Hole

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