Science - Term 2

Question 1

What is a solid state of substance?

Answer 1

Something we can touch and feel if it is hard or soft. A solid does not change shape.

Question 2

What is a liquid state of substance?

Answer 2

Liquid flows. It can take the shape of a container.

Question 3

What is a gas state of substance?

Answer 3

Does not have a definite shape, it spreads out to fill the space it is in. Air is a gas and is invisible

Question 4

What are the 3 states of matter?

Answer 4

1. Solid
2. Liquid
3. Gas

Question 5

What is the state or process when a solid first changes to a liquid?

Answer 5

Melting

Question 6

What is the process called when a liquid changes to a gas?

Answer 6

Evaporation

Question 7

Name 3 Solids?

Answer 7

Rocks , Chocolate, Pencil

Question 8

Name 3 Gases?

Answer 8

Air, Cooking Gas, Steam

Question 9

What is the process called when a liquid changes back to a solid?

Answer 9

Freezing

Question 10

Name 3 Liquids?

Answer 10

Water, Lava, Juice

Question 11

Can you explain the water cycle?

Answer 11

Heating - Evaporation (Gas State) - Condensation - Precipitation - Surface Runoff - Transpiration

Question 12

Name different types of raw material used for manufacturing

Answer 12

Clay - Ceramics
Oil & Coal - Plastic
Wood - Paper
Sand - Glass
Plant Fibre - Clothing
Wool From Sheep - Jerseys
Cow Hide - Leather

Question 13

There are 3 different types of structures

Answer 13

1. Shell
2. Solid
3. Frame