Science

Question 1

What are the main 3 types of rocks?

Answer 1

Igneous, metamorphic and sedimentary rocks

Question 2

When a boy touches the ball, what type of force is created?

Answer 2

Friction

Question 3

What does a plant cell have but not in animal cell?

Answer 3

Chloroplast, cell wall…

Question 4

What is the name of the thing that pull us to the ground instead of flying in the air?

Answer 4

Gravity

Question 5

What slows us down when we r in the air?

Answer 5

Air resistant

Question 6

How are fossils formed?

Answer 6

They are formed when a plant or animal dies in a watery environment and is buried in mud and silt. Soft tissues quickly decompose leaving the hard bones or shells behind.

Question 7

What is the thing that is inside a blood cell?

Answer 7

Haemoglobin

Question 8

Do red blood cells have nucleus?

Answer 8

No

Question 9

What is the process when solid turns into liquid called ?

Answer 9

Melting

Question 10

Are you guys good at this?

Answer 10

probrably

Question 11

What are the two types of Igneous rock?

Answer 11

Intrusive and Extrusive rocks

Question 12

2 Adaptations of polar bear living in the North pole.

Answer 12

Thich fur and White fur to keep them camouflage

Question 13

How is Igneous, Metamorphic and Sedimentary rocks formed?

Answer 13

Igneous rock is formed when magma cools down.
Metamorphic rocks is formed by heat and pressure.
Sedimentary rocks is formed while it is buried in the sea, lake or rivers for a long time.

Question 14

What are the five steps to make rocks into Sedimentary rocks?

Answer 14

1. Weathering
2. Erosion
3. Deposition
4. Compaction
5. Cementation

Question 15

What are the two types of grain that can found in rocks?

Answer 15

Interlocking grain and Rounded grain

Question 16

What are the layers in Earth and how thick are they?

Answer 16

1. Crust-70km
2. Mantle-2900km
3. Outer core-2200km
4. Inner core-1400km