year 7 science quiz

Equipment

10

20

30

40

50

Safety/Report

10

20

30

40

50

Matter

10

20

30

40

50

Solubility

10

20

30

40

50

Separation

10

20

30

40

50

Category 1 questions follow

Quest

ionWhat is the name of this?

10Category 1

Answ

er

10Category 1

Bunsen Burner

Quest

ionWhat is the name of this and what is it used for?

Answ

er

20Category 1

Test Tube, used to hold and test small amounts of liquid

Quest

ion

30Category 1

What do these three have in common?Conical FlaskBeakerMeasuring Cylinder

Answ

er

30Category 1

Can be used to measure liquid

Quest

ion

40Category 1

What are the names of these items?

Answ

er

40Category 1

Filter, Safety glasses, Retort Stand

Quest

ion

50Category 1

Label the diagram

Answ

er

50Category 1

Mixture, stirring rod, beaker, gauze mat, tripod, Bunsen burner, heat proof mat

Quest

ion

10Category 2

What must be worn when conducting experiments?

Answ

er

10Category 2

Safety glasses and a lab coat

Quest

ion

20

What does this mean?

Answ

er

20Category 2

It can catch on fire easily.

Quest

ion

30Category 2

Which of the following is most important in the laboratory ?A: Follow the teacher’s instructions B: Don’t look directly into a test tube C: Wait until equipment is cool before putting it away

Answ

er

30Category 2

Follow the teacher’s instructions

Quest

ion

40Category 2

Name 5 things wrong in this picture

Answ

er

40Category 2

Not wearing safety glasses, running, mixing chemicals without permission, entry into the laboratory without permission, smelling chemicals

Quest

ion

50Category 2

Re-arrange the following report sections into the correct order: equipment, results, hypothesis discussion, aim, conclusion, method.

Answ

er

50Category 2

Aim, Hypothesis, Equipment, Method, Results, Discussion, Conclusion

Quest

ion

10Category 3

Elements are the ………………….

of matter

Answ

er

10Category 3

Building blocks

Quest

ion

20Category 3

What is the name of the chart that lists every element in the world and how many elements in the world are there?

Answ

er

20Category 3

Periodic Table - 118

Quest

ion

30Category 3

What is the difference between a compound 化合物分子 and a molecule 分子

Answ

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30Category 3

Molecules are made of than one elementCompounds are made of more than one different element

Quest

ion

40Category 3

Mixtures are made up of two or more ……………. ？

Answ

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40Category 3

Pure substances

Quest

ion

50Category 3

List what is inside two common mixtures?Mixture Inside

Answ

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50Category 3

Mixture Inside

Coke 可乐 Water 水 , sugar 糖 , caffeine

咖啡因 , colouring 颜色 Milk Protein, calcium, Water, fat

Quest

ion

10Category 4

Can an insoluble substance form a solution? What does it form?

Answ

er

10Category 4

No, it forms a suspension.

Quest

ion

20Category 4

A substance which dissolves in another substance is called a: A:solvent B:colloidC:solutionD:solute

Answ

er

20Category 4

Solute

Quest

ion

30Category 4

Dilute Slightly Concentrated Concentrated

Colour In

Answ

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30Category 4

Dilute Slightly Concentrated Concentrated

Quest

ion

40Category 4

Solvents do what?Solutes do what?What is the most common solvent ?

Answ

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40Category 4

Solvents dissolve solutes?Solutes are dissolved by Solvents?Water is the most common solvent ?

Quest

ion

50Category 4

NameSolvent溶剂 Solute溶质 Solution 化学溶液 , Colloid 胶

体 , Suspension 沉淀Milk Water Calcium, sugars,

proteinsColloid

Oily water

Coke

Soy Milk

Tap water

Complete the table

Answ

er

50Category 4

NameSolvent溶剂 Solute溶质 Solution 化学溶液 , Colloid 胶

体 , Suspension 沉淀Name

Solvent 溶剂 Solute 溶质 Solution 化学溶液 , Colloid 胶

体 , Suspension 沉淀Milk Water Calcium, sugars,

proteinsColloid

Oily water Water Oil Suspension

Coke Water Flavour, Sugar Solution

Soy Milk Water Soy Bean Colloid

Quest

ion

10Category 5

How can a sand and salt water solution be separated?

Answ

er

10Category 5

By Filtration

Quest

ion

20Category 5

What is this separation process called?

Answ

er

20Category 5

Centrifuging

Quest

ion

30Category 5

What two processes are involved in obtaining pure water from a sugar solution? A: condensation and crystallizationB: evaporation and decantingC: crystallization and evaporation D: evaporation and condensation

Answ

er

30Category 5

D: evaporation and condensation

Quest

ion

40Category 5

What What happens? (2 Marks)

Why (2 Marks) Example (1 Mark)

Filtration

Answ

er

40Category 5

Airplane



Filtration Substances are separated depending on size

Substances bigger than the holes in the paper will not pass through

Sand and water solution

Quest

ion

50Category 5



Crystallization

Answ

er

50Category 5



Crystallization Water is evaporated

Water is evaporated due to heat

Copper Sulfate Solution

year 7 science quiz

Science