Test 4 October 2016 Flashcards

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1
Q

What shape is the earth

A

The earth is a sphere shape

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2
Q

Name the main surfaces of the earth

A
  1. Land
  2. Water
  3. Air
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3
Q

Name: A large mass of land

A

A Continent

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4
Q

Name: A very large body of salt water

A

Ocean

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5
Q

Name: Body of salt water partly surrounded by land, connecting it to the ocean

A

Sea

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6
Q

`Name: Natural body of fresh water surrounded totally by land

A

Lake

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7
Q

Name: An animal’s home

A

Habitat

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8
Q

Name: Ice covering large areas of the North and South Poles

A

Polar Ice Cap

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9
Q

Name: Small mass of land completely surrounded by water

A

Island

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10
Q

How many planets are there?

A

7 others besides earth in our solar system

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11
Q

What is a solar system?

A

A solar system is a system of planets that move around a star or sun.
The star is at the centre of the solar system.
All the planets move in specific places around that star.

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12
Q

Explain planets

A

Planets all move their own path at their own speed. They are all different distances from the sun.

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13
Q

Why do some people think there is life somewhere else in space?

A

There are lots of stars in the sky and they have their own solar systems.

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14
Q

Name the planets in order from the sun. Spelling correctly.

A
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
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15
Q

Name the Dwarf Planet.

A

Pluto. He is too small to be a planet.

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16
Q

Name the 4 warmest planets

A
Mercury
Venus
Earth
Mars
They are warmer because they are closer to the sun
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17
Q

Name the coldest planets

A
Jupiter
Saturn
Uranus
Neptune
They are furthest from the sun so they are colder.
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18
Q

Describe the sun

A

The sun is a star in the middle of our solar system.

It is a huge hot fireball of hot burning gas

19
Q

What does the sun give out?

A

Energy - heat and light. This is used for survival by plants and animals

20
Q

How big is the sun?

A

109 times bigger than earth. It looks small because it is far away from earth.

21
Q

What would happen if the earth was closer to further from the sun

A

If earth was closer it would be too cold for us to survive.

Further - too hot to survive

22
Q

How hot is the centre of the sun

A

1.3 million degrees celcius

23
Q

Where does the sun rise and set

A

Rise - east

Set - west

24
Q

What is an orbit?

A

The earth moves around the sun in a path called an orbit

25
Q

How does the earth move

A

Orbit around the sun

On it’s own axis

26
Q

How long does Earth take to complete one trip around the sun?

A

365 1/4 days

= 1 year divided into 12 months equals 4 seasons.

27
Q

What is a rotation?

A

When earth spins in place while in orbit

28
Q

How long does earth take to make one rotation?

A

24 hours.
Part of earth facing the sun = daylight
Part of earth away from sun = night

29
Q

What would happen if the sun disappeared?

A

All living things would die and earth would become like the other planets in our solar system.

30
Q

How long does the moon take to orbit the earth?

A

29 1/2 days. It is called a lunar month

31
Q

Explain the moon

A
Ball shaped rock that orbits the earth.
Earths natural satellite
NO air or water on the moon
Humans have walked on the moon
Bumps and dents are called craters
32
Q

Which part of the moon can we see?

A

The part that the sun shines on. It looks as if it changes shape

33
Q

Name phases of the moon

A
New moon
Waxing Crescent
First quarter (half moon)
Waxing gibbous
Full moon
Waning gibbous
Last quarter (half moon)
Waxing crescent
34
Q

What is a satellite

A

A small object that orbits a larger object in space

35
Q

What is a cycle

A

A process that is repeated over and over

36
Q

What is a crater

A

a dent in the surface of an object

37
Q

What is a phase

A

a change in the moon’s form

38
Q

What is a gibbous moon

A

The phase between full moon and quarter moon

39
Q

What is a pitch

A

high or low sound

40
Q

What is a battery

A

source of electrical energy

41
Q

What is a vibrate

A

move quickly backwards and forwards

42
Q

What is a volume

A

loud or soft noise

43
Q

What is a pluck

A

input energy for a musical istrument