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Science > Chapter 8 > Flashcards

Chapter 8 Flashcards

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1
Q

Does the sun move in the sky?

A

No, the sun does not move

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2
Q

What causes day and night

A

The Earth’s rotation

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3
Q

How many hours does it take for the earth to make one complete turn on its axis

A

24

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4
Q

It takes 24 hours for the earths big how many complete turns on its axis

A

One complete turn

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5
Q

It takes 24 hours with or to make one complete turn on what

A

Its axis

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6
Q

How does the earth go around the sun

A

It revolves

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7
Q

The earth revolves around the sun in a regular path called an?

A

Orbit

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8
Q

What are the four seasons

A

The four seasons are winter spring summer and fall

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9
Q

Why do seasons change?

A

Seasons change as the earth revolves because of the earths tilted axis

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10
Q

The sun is a:

A

Star

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11
Q

The sun is about how many degrees Fahrenheit

A

59 million. Degrees Fahrenheit

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12
Q

Three reasons why the sun is important to the earth

A
  1. It keeps the earth warm.
  2. it makes life on earth possible.
  3. it provides the earth energy
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13
Q

What is a large body of rock or gas with with a nearly round shape that revolves around the star

A

A planet

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14
Q

How many planets are there in the solar system

A

Eight

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15
Q

Do all planets rotate?

A

Yes

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16
Q

Do all planets revolve in a nearly circular orbit?

A

Yes

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17
Q

How many days does it take for the earth to complete one orbit

A

365

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18
Q

Before closest planet to the sun are what

A

Mercury, Venus, Earth and Mars

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19
Q

What are two things all inner planets have in common?

A

They are all close to the sun
They are all small
They are all solid

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20
Q

Largest planet is what

A

Jupiter

21
Q

The planet closest to the sun is

A

Mercury

22
Q

Which planet is the only planet that rotates sideways

A

Uranus

23
Q

What planet is the hottest planet in the solar system

A

Venus

24
Q

The four outer planets are

A

Saturn, Jupiter, Uranus and Neptune

25
Q

The outer planets are largely made up of

A

Gases

26
Q

To tool scientist use to study the planets are

A

Telescopes and space probes or spacecrafts

27
Q

The moon is a what or ball of rock

A

Sphere

28
Q

The moon is a sphere or a ball of what

A

Rock

29
Q

What is earths closest neighbor in space?

A

The moon is earths closest neighbor in space

30
Q

What is it called if it revolves around another larger object in space

A

Satellite is anything that revolves around another larger object in space

31
Q

List the eight main phases of the moon

A 
New moon
Crescent moon
First quarter moon
Gibbous moon
Full moon
Gibbous moon
Last quarter moon
Crescent moon
32
Q

Does the moon make its own light

A

It does not

33
Q

How many days does the moon cycle happen

A

The moon cycle happens about every 29 1/2 days

34
Q

What are two ways the moon is different from the earth?

A 
No liquid water
Covered by craters
No life
No atmosphere
Smaller than earth
35
Q

What is a hollow area or pit in the ground

A

A crater is a hollow area or pit in the ground

36
Q

Sun earth and moon are all part of the

A

Solar system

37
Q

The earth does what like a giant top in space

A

Rotates or spins

38
Q

A machine that leaves Earth and travels through space

A

Space probe

39
Q

Rotate

A

To spin

40
Q

Move around another thing or object

A

Revolve

41
Q

Each shape of the moon we see

A

Phase

42
Q

A system made up of stars and other objects that move around it

A

Solar system

43
Q

A large body of rock or gas with nearly round shape that revolves around the sun

A

Planet

44
Q

A group of stars that seem to form a picture

A

Constellation

45
Q

A line through the center of a spinning object

A

Axis

46
Q

The regular path one object takes around another

A

Orbit

47
Q

A ball of hot glowing gases

A

Star

48
Q

A hollow pit in the ground

A

Crater

49
Q

a tool to make far away objects appear large and closer.

A

Telescope

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