Properties and Changes of Materials

If light cannot pass through a material, what property does it have?

• It is translucent

• It is transparent

• It is opaque

• It is flexible

Tags

NGSS.MS-PS4-2

Why is copper used for electrical wires?

• because it's light

• because it's an electrical conductor

• because it's flexible

• all of the above

Tags

NGSS.MS-PS2-3

What does the word 'property' mean when discussing materials?

• possessions e.g. property and land

• the objects which are made from a specific material

• the qualities of a material

Tags

NGSS.MS-PS1-2

Why is nylon an appropriate material for an umbrella?

• because it's light and waterproof

• because it's a thermal conductor and flexible

• because it's magnetic and heavy

What is the meaning of the word 'permeable'?

• A material which soaks up liquids easily.

• A material which allows water to pass through it easily.

• A material which allows liquids and gases to pass through it easily.

How would we describe a mixture of a liquid with something else dissolved in it? e.g. water with sugar dissolved in it

• soluble

• solution

• insoluble

• dissolved

Heating up the liquid speeds up the process of dissolving. What else would make a solid dissolve faster in a liquid?

• cooling the liquid down

• using more liquid

• stirring the liquid

What is an independent variable in an investigation?

• the factor that you are change

• that factor that you measure

• the factor that you keep the same

Tags

NGSS.MS-PS2-2

Which of these materials is most absorbent?

• Tin foil

• Fabric

• Plastic wrap

What is an anomalous result?

• A result which follows the pattern

• A result which proves the theory

• A result which does not fit the pattern