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Period 9 Science > Test 1- Space Systems > Flashcards

Test 1- Space Systems Flashcards

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1
Q

How did our solar system form?

A

The Big Bang Theory

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2
Q

The Big Bang Theory

A

an explosion that pushed matter into space and enabled stars to form

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3
Q

Galaxy

A

Is a group of stars, gas, and dust

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4
Q

What galaxy do we live in?

A

Milky Way Galaxy

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5
Q

How is our Milky way shaped?

A

Spiral-Shaped

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6
Q

What is the sun made up of?

A

Hydrogen and Helium

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7
Q

Why is the Sun important to earth?

A

It provides heat and light that makes life possible on earth

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8
Q

Our solar system includes

A

8 planets and other objects (moons, astroids, comets, and meteors)

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9
Q

What holds planets in their orbit around the sun?

A

Gravitation pull from from the sun

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10
Q

What is the star classified as?

A

Star

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11
Q

Why does the moon appear to change shape?

A

It revolves around earth

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12
Q

What is the main reason earth has tides?

A

The moon

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13
Q

Coment

A

small ball of ice, rock and dust particles

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14
Q

Asteroid

A

A rocky object that orbits the sun–they come in different shapes

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15
Q

Why doe we have seasons?

A

The earth revolves around the sun

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16
Q

When the earth rotates, what happens with direct and indirect sunlight?

A

As the earth rotates different parts of the earth get direct and indirect sunlight

17
Q

When the Northern Hemisphere, is being hit with direct sunlight what season are we in?

A

Summer

18
Q

When the southern hemisphere is being hit with direct sunlight what season are we in?

A

Winter because we are receiving indirect sunlight

19
Q

Rotation

A

When the earth rotates around its axis–Earth takes for 24 hours in one day

20
Q

Revoultion

A

When the earth revolves around the sun–this takes 365 days a year

21
Q

Climate

A

Refers to the average weather condition is a region over a long period of time

22
Q

Weather

A

Refers to the short-term atmospheric condition in a specific place at a specific time

23
Q

Tropic zone

A

area closest to the equator, warm all year round

24
Q

Temperate zone

A

4 seasons (more direct and indirect light in winter)

25
Q

Polar Zone

A

Area near the poles, cool to cold all year: Receives no direct sunlight

Period 9 Science (3 decks)

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