nst term 4

Question 1

what are features?

Answer 1

interesting or noticeable parts of something

Question 2

what is a sphere?

Answer 2

a round shape like a ball
all planets are spheres

Question 3

what is the surface?

Answer 3

the outside part or top layer of something

Question 4

what is soil?

Answer 4

sand that is mixed with dead or rotting material

Question 5

what is earth’s water surface?

Answer 5

large areas of water that cover earth’s rocky surface where it is
hollowed

Question 6

what are oceans?

Answer 6

the largest of earth’s water surfaces, which are salty seawater

Question 7

what are seas?

Answer 7

smaller water surfaces, that are parts of the ocean so are also salty seawater

Question 8

what are continents?

Answer 8

one of seven large pieces of earth’s surface

Question 9

what is an island

Answer 9

a piece of land that is smaller than a continent and surrounded by seas

Question 10

what are lakes?

Answer 10

large areas of water than have land all around them

Question 11

what is the atmosphere?

Answer 11

the layer of thin air that surrounds earth

Question 12

what shape is earth?

Answer 12

a sphere

Question 13

what is earth made of?

Answer 13

rock

Question 14

is the earth solid or liquid?

Answer 14

both - the surface is hard solid rock but the centre is so hot that the rock has melted to liquid

Question 15

why is Earth called the blue planet?

Answer 15

all the water on earth’s surface (on 71% of the surface) makes it look blue from space

Question 16

what are Earth’s land surfaces?

Answer 16

the parts of Earth’s that are not covered by water. These are either continents or islands

Question 17

how high above Earth’s surface does the atmosphere go?

Answer 17

About 600km

Question 18

why is the atmosphere so important?

Answer 18

1. It contains the gases that all living things need to BREATH
2. It acts like a BLANKETS to keep Earth’s surface warm enough for living things to survive

Question 19

what is a planet?

Answer 19

a large object that moves around a star

Question 20

what are stars?

Answer 20

objects in space that give off their own light

Question 21

what is the sun?

Answer 21

a very bright star that gives light and warmth to planet Earth

Question 22

what is the moon?

Answer 22

a cold round object that always moves around Earth

Question 23

How many planets does the Sun have?

Answer 23

8

Question 24

what is space?

Answer 24

the never-ending darkness that is above the Earth’s atmosphere

Question 25

what is in space?

Answer 25

stars, planets, and many other objects as well as gas and dust

Question 26

what are astronauts?

Answer 26

people that travel to space

Question 27

when can we see the sun?

Answer 27

in the daytime, when our half of the Earth is facing toward the sun

Question 28

what is the nearest object in space to the earth?

Answer 28

the moon

Question 29

where are the stars during the day?

Answer 29

in the same place in the sky in space but you just can't see them because the sun's light is much brighter

Question 30

how many stars are there?

Answer 30

Millions (but we can't actually count them all because we can only see some of them)

Question 31

what does orbit mean

Answer 31

the pathway along which the Earth moves around the sun

Question 32

what is the solar system

Answer 32

the sun and all the objects that move around it

Question 33

what type of planet is the Earth?

Answer 33

a terrestrial planet

Question 34

What is a year on earth?

Answer 34

365.25 days the time it takes for the Earth to do a full orbit of the sun.

Question 34

What features does Earth have that other planets do not?

Answer 34

Earth is the only planet with LIFE on it and no other planet has liquid WATER

Question 35

How many planets is the Earth from the Sun?

Answer 35

Earth is the 3rd planet from the Sun

Question 36

What is the sun made of?

Answer 36

very hot burning gases

Question 37

Why is the Sun so important for life on Earth?

Answer 37

life need the Sun's heat and light energy without the sun it would be dark and freezing cold, so plants and animals would not survive

Question 38

How big is the Sun?

Answer 38

The Sun is 110 times the diameter of Earth

Question 39

How far away from Earth is the sun?

Answer 39

about 150 million kilometres

Question 40

Is the sun a bright star?

Answer 40

No, it just seems that way because it is so much closer to Earth than any other stars

Question 41

what direction does the Earth travel around the sun?

Answer 41

anticlockwise

Question 42

what is the centre of the solar system?

Answer 42

the sun (solar system literally means the sun's system)

Question 43

What does life on Earth need to survive in addition to the Sun's energy?

Answer 43

water

Question 44

What starts the energy chain?

Answer 44

light from the Sun

Question 45

what happens to plants and animals when they get too much or too little heat?

Answer 45

they die

Question 46

why do seeds need warmth?

Answer 46

to grow

Question 47

why do animals need warmth?

Answer 47

to maintain their life processes

Question 48

what is a crater?

Answer 48

a round hole made by something that has fallen onto it

Question 49

what is the surface of the moon covered with?

Answer 49

dust and pieces of rock

Question 50

what is not on the surface of the moon?

Answer 50

No soil (that anything could grow in) and no liquid water on the moon

Question 51

what are the large dents on the surface of the moon called?

Answer 51

craters

Question 52

what is closest to the Earth in space?

Answer 52

the moon

Question 53

what are phases of the moon?

Answer 53

the changing pattern of sunlight on the moon

Question 54

Name the phase of the moon when you can see half a circle?

Answer 54

The QUARTER moon

Question 55

Name the phase of the moon right before and right after full moon

Answer 55

Gibbous Moon

Question 56

Name the phase of the moon when you can only see a rounded sliver of it?

Answer 56

The Crescent moon

Question 57

The phases of the moon appear in the same order every _______ days?

Answer 57

29 and a half

Question 58

What is the name of the phase of the moon when you cannot see it?

Answer 58

New Moon

Question 59

what does WAXING mean when describing phases of the moon?

Answer 59

growing/getting bigger (the half of the cycle that comes straight after new moon)

Question 60

what does waning mean when describing the phases of the moon?

Answer 60

getting smaller (the half of the cycle that comes after full moon)

Question 61

what is a rocket?

Answer 61

A long tall structure that can be propelled into space

Question 62

what does launch mean?

Answer 62

to send a space craft into space

Question 63

what is gravity?

Answer 63

the pull that holds things on earth

Question 64

what is a payload?

Answer 64

the people, equipment or other space craft that are carried by a rocket

Question 65

what is a vehicle?

Answer 65

a machine that is used to carry people or things from one place to another

Question 66

what does propel mean?

Answer 66

to move or push something forward

Question 67

what input energy does a rocket's system use?

Answer 67

fuel

Question 68

why do rockets need to be light?

Answer 68

so that it can carry a bigger payload because each kilogram of it's own weight needs fuel too

Question 69

why do rockets need to be strong?

Answer 69

to do their job of carrying vehicles, equipment and people into space

Question 70

what makes it easier for rockets to slip through the atmosphere into space?

Answer 70

their SHAPE

Question 71

what explains how rockets move?

Answer 71

Newton's 3rd law

Question 72

what is Newton's 3rd law of physics?

Answer 72

for every push in one direction, there is an equal push in the other direction