A negatively charged particle circulating the nucleus.

Which of the following laboratory rules is incorrect?

Eat only small amounts in the laboratory

What is the Dependent Variable?

The variable that is being measured

What is the first step when lighting a Bunsen Burner?

Make sure the airhole is closed

A neutrally charged particle at the centre of the atom

Astronomy is the study of

*scienceof planets, stars and the universe

A positively charged particle at the centre of the atom.

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Year 7 Semester 1 Exam Revision

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Questions 40

Answers

1
The suspension in the diagram below is
C
B
A
None
2
This piece of equipment is called a
Retort Stand
Tall Stand
Clasp and pole
Holding stand
3
What are the correct states of matter?
1 Gas 2 Solid 3 liquid
1 Solid 2 Liquid 3 Gas
1 Gas 2 Liquid 3 Gas
1 Liquid 2 Gas 3 Solid
4
What is a electron?
A neutrally charged particle at the centre of the atom
A negatively charged particle circulating the nucleus.
Not located in the atom.
A positively charged particle at the centre of the atom.
5
An insoluble substance is one that
Is not related to dissolving
Dissolves
Does not dissolves
is very tasty
6
What separation technique is the following diagram?
Filtration
Decantation
Sieving
Magnetic Separation
7
A soluble substance is one that
Does not dissolves
Dissolves
Is not related to dissolving
is very tasty
8
Name the following labels?
1 Electron 2 Neutron 3 Nucleus
1 Neutron 2 Proton 3 Nucleus
None of the above.
1 Electron 2 Proton 3 Nucleus
9
Which of the following laboratory rules is incorrect?
Do not run in the laboratory
Eat only small amounts in the laboratory
Report any accidents to a teacher as soon as it occurs.
Tie back long hair
10
This piece of equipment is called a
Test Tube
Volumetric Flask
Measuring Cylinder
Conical Flask
11
What is the Dependent Variable?
The variable that is being measured
The variable that is being tested.
The variable that is being controlled
The variable that is changing
12
Which is the hot flame on a Bunsen Burner
B
C
D
A
13
The following question depicts what two techniques of crystalisation?
They are different compounds and hence are different sizes
Fast and slow evaporation
Specific laboratory techniques.
Both in a controlled environment
14
The metals are located at which place on the Periodic Table?
Green
Blue
Pink
Yellow
15
What separation technique is the following diagram?
Sieving
Decantation
Filtration
Centrifuging
16
This piece of equipment is called a
Measuring Cylinder
Beaker
Test Tube
Conical Flask
17
What separation technique is the following diagram?
Decantation
Centrifuging
Filtration
Sieving
18
What is Quantitative results?
Numbers and data.
none of the above.
Drawing pictures.
Drawing diagrams.
19
This piece of equipment is called
Bunsen Lighter
Hot Flame
Barrel with Flame
Bunsen Burner
20
What is the first step when lighting a Bunsen Burner?
Make sure the airhole is open.
Make sure the airhole is closed
Connect the gas pipe
Light a match
21
The non-metals are located at which place on the Periodic Table?
Blue
Yellow
Pink
Green
22
The colloid in the diagram below is
B
None
C
A
23
What is the Independent Variable?
The variable that is being measured
The variable that is being tested.
The variable that is being controlled
The variable that is changing
24
What comes directly before the discussion when writing a scientific report?
Bibliography
Results
Conclusion
Aim
25
What is a neutron?
A neutrally charged particle at the centre of the atom
A negatively charged particle circulating the nucleus.
A positively charged particle at the centre of the atom.
Not located in the atom.
26
The diagram below depicts what separation technique?
Centrifuging
Distillation
Crystalisation
Chromatography
27
What separation technique is the following diagram?
Centrifuging
Decantation
Sieving
Filtration
28
The White dots in the diagram are the
Solute
Solution
None of the above
Solvent
29
What safety equipment should this Scientist be wearing?
Safety Glasses and gloves
Labcoat
Pink Shoes
Belt
30
This piece of equipment is called
Measuring Cylinders
Flasks
Test Tubes
Beakers
31
What separation technique is the following diagram?
Centrifuging
Decantation
Filtration
Sieving
32
The solution in the diagram below is
B
A
C
None
33
Astronomy is the study of
a belief system that predicts future events in our life
*scienceof planets, stars and the universe
a study of the stars
food preparation
34
Biology is the science of
geology
animals
the human body
livingthings
35
The diagram below depicts what separation technique?
Distillation
Evaporation
Chromatography
Crystalisation
36
The Red dots in the diagram are the
Solute
None of the above
Solution
Solvent
37
The following is called a
Measuring Cylinder
Measuring Line
Reading Equipment
Meniscus
38
Which colour is the most concentrated?
Light blue.
Dark Blue.
Blue.
none of the above
39
What is a proton?
A positively charged particle at the centre of the atom.
A negatively charged particle at the centre of the atom
A neutrally charged particle at the centre of the atom
Not located in the atom.
40
The metalloids are located at which place on the Periodic Table?
Blue
Green
Yellow
Pink

Year 7 Semester 1 Exam Revision Flashcards | StudBud