Year 8 quiz (25) (some Year 7 material) - Phoenix Hoyle | Laabri

6

Mmuae Afoforo a Wobɛpaw:

Mixture of elements and compounds

Mixture of elements

Mixture of compounds

1

Drag the correct labels

Mmuae Afoforo a Wobɛpaw:

Independent variable

Control variable

Dependent variable

1

Mmuae Afoforo a Wobɛpaw:

increases

decreases

1

Click the dimples where a displacement reaction would occur and so the temperature would increase.

1

Mmuae Afoforo a Wobɛpaw:

blue

alkaline

Sodium hydroxide

1

Mmuae Afoforo a Wobɛpaw:

Gas explodes with a pop

lime water turns cloudy

A lit splint relights

1

Match the word to the correct category

Granite
marble
sandstone
Solidified magma
Formed by high heat and or pressure
layers of sediment

Igneous
Sedimentary
Metamorphic

8

Complete the equations

Mmuae Afoforo a Wobɛpaw:

sodium nitrate

+ hydrogen

Barium chloride

potassium sulfate

Lead nitrate

+ water

Iron (II) chloride

Zinc chloride

+ water + carbon dioxide

sodium sulfate

iron nitrate

3

Mmuae Afoforo a Wobɛpaw:

water condenses

Fuel

Carbon dioxide makes lime water go cloudy

1

Mmuae Afoforo a Wobɛpaw:

larger

evaporation

fizzing

smaller

1

Mmuae Afoforo a Wobɛpaw:

1.6g