Science practice

Question 1

Colour & Lustre

Answer 1

How a substance reflects light

Question 2

Conductivity

Answer 2

Whether is conducts
electricity or heat
Yes = conductor
No = insulator

Question 3

Density

Answer 3

D= m/v
The amount of mass in a given volume of the substance. Each substance has a specific density.

Question 4

Ductility

Answer 4

How easily a solid can be stretched into a long wire. The more it’s able to do this, the more ductile it is.

Question 5

Hardness

Answer 5

How well a substance can resist being scratched.
Measured using
Mohs hardness scale 1 -10

Question 6

Malleability

Answer 6

How well a substance can be pounded or rolled into a sheet shows how malleable it is.

Question 7

Viscosity

Answer 7

How much a fluid resists flow
More resistance = more viscous

Question 8

Cohesion & Adhesion

Answer 8

How well a substance sticks to itself and other substances

Question 9

Transparency

Answer 9

How well light can pass through a substance
Transparent - completely see through
Translucent - partially see through
Opaque - unable to see through

Question 10

Combustibility

Answer 10

How well a substance can react with oxygen to produce heat and light

Question 11

pH

Answer 11

How acidic or basic is the substance using pH scale from (acidic) 0 - 14 (basic)