Chemistry Demo - Fri Dec 1

Question 1

What is ductile?

Answer 1

If an object can be pulled into a thin wire.

Question 2

What is luster?

Answer 2

The shininess.

Question 3

What is viscose?

Answer 3

The rate of flow of a substance.

Question 4

What is density?

Answer 4

How tightly packed the particles are.

Question 5

What is malleable?

Answer 5

If an object can be banged (mallet) into thin sheets.

Question 6

Hardness

Answer 6

If an object is easily scratched.

Question 7

Conductivity

Answer 7

How well something can conduct heat or electricity.

Question 8

Boiling/freezing point

Answer 8

The temperature at which a change of state occurs.

Question 9

Quantitative

Answer 9

Numbers;quantity

Question 10

Qualitative

Answer 10

Words;quality

Question 11

5 signs of chemical change

Answer 11

1) Bubbles
2) Heat, light, sound change
3) New odour released
4) Precipitate (a solid form)
5) Colour change

Question 12

Aluminum is a great material for pans and pots.

Answer 12

Conductibility

Question 13

Glass easily shatters.

Answer 13

Brittle/Breakability

Question 14

Honey doesn’t flow easily.

Answer 14

Viscosity

Question 15

Blackout blinds.

Answer 15

Clarity

Question 16

The molecules in brick are tightly packed.

Answer 16

Density

Question 17

Diamond is not easily scratched.

Answer 17

Hardness

Question 18

Tinfoil is easy to bend and hammer.

Answer 18

Malleable