Question 1

Who was Copernicus and what did he do?

Accepted Answer

Polish astronomer who came up with the heliocentric model of the solar system.

Answer

came up with the geocentric model of the solar system

Answer

proved that the geocentric solar system was correct

Answer

invented the telescope

Question 2

Which of these is in the correct order?

Accepted Answer

planet, star, solar system, galaxy, universe

Answer

star, planet, solar system, galaxy, universe

Answer

planet, star, galaxy, solar system, universe

Answer

star, planet, galaxy, solar system

Question 3

Compare asteroids and meteoroids.

Accepted Answer

both are chunks of rock and metal but asteroids are much larger.

Answer

meteoroids are made of ice and asteroids are rocky

Answer

meteoroids are only found in the asteroid belt

Answer

there is no difference

Question 4

Why is a year shorter on Mercury than Earth?

Accepted Answer

Mercury is closer to the Sun and doesn't have to travel as far to orbit the Sun

Answer

they are the same length

Answer

a year on Mercury and Earth are  almost the same.

Answer

Mercury is moving much faster than the Earth

Question 5

Compare rotation and revolution.

Accepted Answer

one rotation takes 24 hours and a revolution takes 365 days

Answer

a revolution takes 24 hours and a rotation takes 365 hours.

Answer

a rotation is one orbit around the Sun and a revolution causes a day/night

Answer

a rotation causes the seasons and a revolution causes day and night

Question 6

Which position shows a New Moon?

Accepted Answer

1

Answer

5

Answer

3

Answer

7

Question 7

Which position would cause a Full Moon?

Accepted Answer

5

Answer

3

Answer

1

Answer

7

Question 8

Day and night are caused by what?

Accepted Answer

rotation

Answer

the Moon

Answer

the Sun

Answer

revolution

Question 9

When can a lunar eclipse and a solar eclipse take place?

Accepted Answer

lunar eclipse on a full moon and solar eclipse on a new moon

Answer

both happen during a new moon

Answer

a lunar eclipse happens during a new moon and a solar eclipse happens during a full moon

Answer

both happen during a full moon

Question 10

What is gravity and how does it affect the Earth and the Moon?

Accepted Answer

the force that attracts things together and keeps the Moon in orbit around the Earth and the Earth in orbit around the Sun

Answer

it is exerted by the Moon to keep it in orbit

Answer

only planets larger than Earth have gravity

Answer

a force exerted by the Earth

Question 11

In the graph above, which letter represents freshwater that is frozen in glaciers and ice caps?

Accepted Answer

letter C

Answer

letter A

Answer

both A and C

Answer

letter B

Question 12

Which process in the water cycle changes water into a gas called water vapor?

Accepted Answer

evaporation

Answer

glaciation

Answer

condensation

Answer

precipitation

Question 13

What is the name of this ocean current?

Accepted Answer

the Gulf Stream

Answer

The Atlantic Gyre

Answer

the Labrador Current

Answer

the Trade Wind Current

Question 14

Why do the tides happen four times a day?

Accepted Answer

they are caused by the Moon's gravity and the Earth's rotation

Answer

they are caused by the Earth's tilt

Answer

they are caused by the prevailing winds

Answer

they are caused by the Sun

Question 15

What usually happens when a warm air mass and a cold air mass collide?

Accepted Answer

rainy, stormy weather will happen

Answer

the temperature will rise

Answer

there will be clear skies

Answer

the wind will stop blowing

Question 16

Where do hurricanes form?

Accepted Answer

over very warm water near the equator

Answer

usually in cold density currents

Answer

in the ocean during very low tides

Answer

in the ocean during very high tides

Question 17

Where do tornadoes form?

Accepted Answer

over land usually during thunderstorms

Answer

on very calm, clear days

Answer

out over the warm ocean waters

Answer

mostly out in the desert

Question 18

In what layer of the Earth do earthquakes happen?

Accepted Answer

in the crust

Answer

in the mantle

Answer

in the outer core

Answer

in the inner core

Question 19

What do we know about rocks and minerals?

Accepted Answer

minerals make rocks

Answer

only rocks contain crystals

Answer

rocks make minerals

Answer

there are no minerals in rocks

Question 20

What kind of rock can become a metamorphic rock?

Accepted Answer

any kind of rock

Answer

only other metamorphic rocks

Answer

only sedimentary rocks

Answer

only igneous rocks

Question 21

How does a rock become a metamorphic rock?

Accepted Answer

heat and pressure

Answer

it has to already be a metamorphic rock

Answer

melting and cooling

Answer

by first becoming sediment

Question 22

Water freezing in cracks in rocks is a form of

Accepted Answer

weathering

Answer

deposition

Answer

crystallization

Answer

erosion

Question 23

Mountain ranges are usually formed by what?

Accepted Answer

tectonic plates crashing together

Answer

tectonic plates pulling away from each other

Answer

tectonic plates sliding past each other

Answer

only formed by volcanoes

Question 24

River deltas are built up by what?

Accepted Answer

deposition

Answer

erosion

Answer

leaching

Answer

weathering

Question 25

How is it possible that ocean creature fossils are sometimes found hundreds of miles from the ocean?

Accepted Answer

that area used to be part of  the ocean

Answer

a glacier moved them

Answer

climate change

Answer

the fossils were moved

Question 26

What makes topsoil fertile and darker in color?

Accepted Answer

lots of organic matter

Answer

having lots of clay particles

Answer

not having any organic matter in it

Answer

having lots of sediment

Question 27

Turning off the water while we brush our teeth is an example of

Accepted Answer

conservation

Answer

consumption

Answer

recycling

Answer

resource substitution

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