Science

Question 1

What are the main 3 types of rocks?

Answer 1

Igneous, Metamorphic and Sedimentary rocks

Question 2

What is inside the animal cell?

Answer 2

Nucleus, Cell membrane, Cytoplasm, Mitochondrion and Vacuole

Question 3

What is the similarity and difference between plant cell and animal cell?

Answer 3

Similarity: Nucleus, Cell membrane, Cytoplasm, Mitochondrion and Vacuole
Difference: Cell wall and Chloroplast

Question 4

What are the two types of Igneous rock?

Answer 4

Intrusive and Extrusive rocks

Question 5

How is Igneous, Metamorphic and Sedimentary rocks formed?

Answer 5

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 6

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

Answer 6

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

Question 7

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

Answer 7

Interlocking grain and Rounded grain

Question 8

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

Answer 8

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