Science the big test in the forth term Flashcards

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0
Q

What is mass

A

Amount of atoms in a object

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1
Q

What is a celestial body

A

Object in space with mass

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2
Q

What can a celestial body be made of ?

A

Rocks,gas, or both

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3
Q

What is the center of our solar system ?

A

The sun

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4
Q

It is a big ball of …………

A

Burning gas

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5
Q

How many layers does the sun consist of ?

A

6

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6
Q

It is called the what of the sun

A

Anatomy

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7
Q

All the other plants do what around the sun ?

A

Evolve

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8
Q

How many plants are there

A

8

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9
Q

What do these plants consist of

A

Four rocky interior plants and four gas internal planets

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10
Q

What do all the 8 major plants do around the sun

A

Orbit

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11
Q

What does orbit mean

A

Pathway of a celestial body around a star or planet

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12
Q

What so the four interior planets consist of

A

Rock and metal

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13
Q

What are the four interior plants called

A

Mercury , Venus ,earth and mars

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14
Q

How long does it take mercury to complete its orbit

A

88 days

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15
Q

How long does it talke Venus to orbit the sun

A

262

16
Q

Who long does it take earth to complete an orbit

A

365 1/4 days

17
Q

How long does it take mars to orbit the sun

A

320 days

18
Q

Were can an asteroid belt be found

A

Between mars and Jupiter

19
Q

What is an asteroid belt

A

A strip of asteroids orbiting the sun between Mars and Jupiter

20
Q

What is an asteroid

A

Piece of rock orbiting a star or planet

21
Q

What are exterior planets made of

A

Gas

22
Q

How long does it take Jupiter to complete an orbit and how many moons does it have

A

12 years and 62 moons

23
Q

Who long does it take satern to complete an orbit and how many moons does it have

A

30 years and 16 moons

24
Q

How long does it take Uranus to complete an orbit and how many moons does it have

A

84 years 27 moons

25
Q

How long does it take Neptune to complete an orbit and how many moons does it have

A

165 years and 13 moons