Science Revision Test 2

Question 1

What’s all the names of the planets in order?

Answer 1

Mercury, Venus, Earth, Mars, Asteroid belt, Jupiter, Saturn, Uranus and Neptune.

Question 2

How long does it take the Earth to rotate on its own axis?

Answer 2

24 hours on its own axis.

Question 3

How long does it take for the Earth to rotate around the Sun?

Answer 3

1 year (365).

Question 4

What is the largest planet in the solar system?

Answer 4

Jupiter is the largest and has 62 moons.

Question 5

What planets is the asteroid between?

Answer 5

Mars and Jupiter.

Question 6

What is the smallest planet in the solar system?

Answer 6

The smallest planet is mercury.

Question 7

What is gravity?

Answer 7

Gravity is the force that holds people thing and object on the planet. Also gravity helps planets stay on the axis and rotate the sun.

Question 8

What is a solar eclipse?

Answer 8

A solar eclipse happens when the moon blocks out the suns light from hitting the Earth.

Question 9

What is a lunar eclipse?

Answer 9

A lunar eclipse happens when the Earth blocks the sun’s light from hitting the moon.

Question 10

Why does the moon change shape?

Answer 10

The moon changes shape because as the moon rotates around the Earth it get more light reflected on it making it big. It also can loose light after a full moon. They all still have the some term just the other way round.

Question 11

What does waxing and waning mean?

Answer 11

When the moon waxes it gets bigger but when it wanes it gets smaller.

Question 12

What are the phases of the moon and what direction do they move in?

Answer 12

It rotates anti-clockwise. It goes around the Earth in this order: New moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter, waning crescent the back to New moon. Then it starts all over again.

Question 13

What does Mass and Weight mean?

Answer 13

Mass- Mass is the amount of matter an object is made up of. It is often measured in kilograms (Kg).

Weight- Weight is the amount of gravitational force an object is. Often measured in Newtons (N).

Question 14

How does gravity vary planets apart from Earth?

Answer 14

By making the years shorter or longer depending on how far you are away from the sun.

Question 15

What do you measure Mass in?

Answer 15

Kilograms (Kg).

Question 16

What do you measure weight in?

Answer 16

Newton (N).

Question 17

What causes seasons?

Answer 17

The seasons are caused by the Earth rotating around the sun and the title of the Earth towards the sun.

Question 18

What causes night and day?

Answer 18

The rotation of the moon around the Earth. What ever side the moons on it is night there and day on the other side of the Earth.

Question 19

What is high and low tide?

Answer 19

Low tide- Low tide happens when the gravitational pull. Pulls on the side next to it. So the tide goes farther away from the beach.

High tide- High tide happens when the gravitational pull. Pulls on the area and makes the tide go higher on to the beach.

Question 20

When does a neap and spring tide occur?

Answer 20

Spring tide- spring tides occur when it’s full or new moon.

Neap tide- neap tides occur when it’s the third quarter an fist quarter moons.

Question 21

What rhyme could you use to remember the order of the planets?

Answer 21

My very enthusiastic mother just served us noodles.