Challenge Question: Select ALL of the answers which are TRUE:

The Earth is rotating on it's axis

A light year is a measurement of distance

Mercury is the closest planet to the sun, so it is the hottest.

The Moon orbits Earth once a day

Challenge Question: Select ALL of the statements which are TRUE:

Cosmic background radiation is evidence of the Big Bang occurring

The moment after the Big Bang, the universe expanded rapidly

Our sun was one of the first stars in the universe to form

Space, time and the laws of physics did not exist prior to the Big Bang

Atoms existed at the time of the Big Bang

Most scientists believe the Big Bang Theory explains which of the following questions?

How our planets and moons formed

How the sun turns hydrogen into helium

How fast light travels through space

Which statement is true?

The galaxies are moving away from us.

The galaxies are moving toward us.

The universe remains static or unchanged in motion.

When we see the Andromeda galaxy, we are seeing it as it was 2.3 million years ago. Why?

it takes light that length of time to travel

light travels really slow in outer space

light travels faster than sound

The light from most distant galaxies is ____.

shifted toward the red end of the spectrum

shifted towards the blue end of the spectrum

How is a theory different from a guess? Choose the best answer.

A theory is backed up by hard evidence; a guess is not

A theory cannot be disproven; a guess can be

A theory is agreed upon by scientists; a guess is only agreed on by laypeople

A theory is usually very old; a guess is usually very new

What was contained in the singularity that gave rise to the Big Bang? Choose the best answer.

All the mass, energy, and time in our universe

Electrons in a highly excited state

One atom of every known element in our universe

What do the initial moments after the Big Bang have in common with the universe as it exists now? Choose the best answer.

The universe began expanding then, and it is still expanding today.

All the stars, galaxies, and planets that exist today were formed just a few moments after the Big Bang.

The universe back then could not sustain life, and it cannot sustain life now.

The universe was extremely hot then, and it is still extremely hot now.

How does the steady state theory of the universe differ from the Big Bang theory?

The "steady state" universe may not have had a beginning; the "Big Bang" universe definitely did

The steady state theory proposes that dark matter does not exist; the Big Bang theory proposes that it does.

The steady state theory puts the age of the universe at 4 million years; the Big Bang theory puts it at 5 million.

The steady state theory claims that faster-than-light travel is possible; the Big Bang theory claims it isn't.

Why is the Hubble telescope located in space?

So its images arent distorted by Earth's atmosphere

So it can be closer to the stars it magnifies

They have very large optical lenses

So it can be operated by astronauts

Why are many large optical telescopes located on mountains?

to be above part of the atmosphere

because it is easier to build telescopes on mountains

Radio telescopes biggest advantage is that they:

Can be used in any type of weather

Almost all radio waves make it to the surface

Why must Ultra-Violet observing be done in space?

The ozone blocks most of the UV rays in the surface.

It’s hard to know exactly where the ozone hole will be to find UV images

It’s hard to use UV telescopes and radio telescopes together on the surface.

It’s hard to use UV X-Ray telescopes and radio telescopes together on the surface

What is the major drawback of radio telescopes?

They can only be used at certain hours of the day

They have complex mirror systems

Why must Ultra-Violet observing be done in space?

The ozone blocks most of the UV rays in the surface.

It’s hard to know exactly where the ozone hole will be to find UV images

It’s hard to use UV telescopes and radio telescopes together on the surface.

It’s hard to use UV X-Ray telescopes and radio telescopes together on the surface

Mysterious Universe

Authored by Kylie Timmins

Science

10th Grade

Used 32+ times

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44 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is the largest?

Star

Galaxy

Planet

Moon

Universe

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is being described: The sun and all of the planets and other bodies that travel around it

Universe

Milky Way

Galaxy

Solar System

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many stars are in our solar system?

Billions

One

Hundreds

Thousands

Millions

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the nearest star to planet Earth?

Moon

Proxima Centauri

Sun

Sirius

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Stars are formed in a large cloud of gas and dust called a

galaxy

nebula

universe

black hole

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Color is an indicator of a star's

temperature

popularity

location

constellation

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the MAIN fuel in stars?

Hydrogen

Helium

Petrol

Uranium

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Mysterious Universe

Which of the following is the largest?

What is being described: The sun and all of the planets and other bodies that travel around it

How many stars are in our solar system?

What is the nearest star to planet Earth?

Stars are formed in a large cloud of gas and dust called a

Color is an indicator of a star's

What is the MAIN fuel in stars?

A group of stars, and or star systems, star clusters, dust and gas held together by gravity is known as:

Our galaxy is called:

According to the Big Bang Theory, the universe:

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