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Supernova

Authored by Dean McFarlane

Other Sciences

9th - 12th Grade

Used 52+ times

Supernova
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13 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If a supernova occurred within a few dozen lightyears of Earth, how would it affect life on our planet?

The light would be so bright, that our eyes would be instantly damaged.

The atmosphere would be stripped away, collapsing food chains.

The temperatures would soar, vaporizing everything.

Our magnetic shield would burst, allowing large amounts of solar wind to strike the surface.

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Why don't we need to worry about the sun becoming a supernova?

The sun already became a supernova.

It is spinning too slowly.

It doesn't have the right elements.

It is not big enough.

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When the energy production of a star stops, what does gravity do to it?

collapse the core

cause it to spin rapidly

shed the outer layers

produce a blue light

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When our sun dies, it will leave behind a white dwarf star composed of the elements:

hydrogen and helium

silicon and oxygen

carbon and oxygen

iron and nitrogen

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Since most stars orbit in pairs, if one of the stars is a white dwarf, it can steal material from the other star and explode as a Type ____ supernova.

II

3G

1a

X

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Where does most of the iron in the universe come from?

Iron is fused in the core of some white dwarf stars and released during a Type 1a supernova.

Iron is created as light leaves a star and interacts with the star's atmosphere.

Recycled metal on Earth is launched into space.

Iron was created during the big bang.

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Why does the core of a massive star collapse once iron is created.

Nuclear fusion is increased, causing gravity to increase.

Iron is magnetic, and pulls magnetic particles in the star towards its iron core.

Nuclear fusion stops, so gravity takes over.

Dark energy in the universe crushes the star.

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