Question 1

The substance that something is made out of, e.g. wood, plastic, metal.

Accepted Answer

Materials

Question 2

A state of matter in which the object has a definite shape and volume.

Accepted Answer

Solids

Question 3

A state of matter that has no definite shape but has a definite volume.

Accepted Answer

liquid

Question 4

a form of matter that does not have a definite volume or shape

Accepted Answer

Gas

Question 5

The change in state from a solid to a liquid

Accepted Answer

Melting

Question 6

The change of state from a liquid to a solid

Accepted Answer

Freezing

Question 7

When a liquid turns into a gas or vapour

Accepted Answer

Evaporating

Question 8

when a gas, such as water vapour, cools and turns into a liquid.

Accepted Answer

condensing

Question 9

A material that allows heat and electricity to pass through it.

Accepted Answer

conductor

Question 10

A material that does not allow heat or electrons to move through it easily.

Accepted Answer

Insulator

Question 11

Allows you to see through the background

Accepted Answer

Transparency

Question 12

The process of mixing a solute in a solvent to produce a homogeneous mixture

Accepted Answer

Dissolving

Question 13

A mixture that forms when one substance dissolves another.

Accepted Answer

Solution

Question 14

able to be dissolved

Accepted Answer

soluble

Question 15

Describes a substance that cannot be dissolved in a given solvent

Accepted Answer

Insoluble

Question 16

example of a soluble material.

Accepted Answer

Sugar

Question 17

example of an insoluble material.

Accepted Answer

sand

Question 18

The separation of a mixture based on particle size

Accepted Answer

Sieving

Question 19

the solid particles will get caught in the filter paper but the liquid will be able to get through

Accepted Answer

Filtering

Question 20

The change of a substance from a liquid to a gas

Accepted Answer

Evaporation

Question 21

a permanent or chemical change

Accepted Answer

Irreversible change

Question 22

a change that can be reversed to get back the original materials

Accepted Answer

reversible change

Question 23

the quality of bending easily without breaking.

Accepted Answer

Flexibility

Question 24

penetrable; porous; allowing liquids or gas to pass through

Accepted Answer

permeable

Question 25

a material having capacity or tendency to absorb another substance

Accepted Answer

absorbent

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