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Year 7 Science Inquiry

Total questions: 65

Worksheet time: 56mins

Name
Class
Date
1.

The time it took parachutes of different size to fall to the ground was tested. What is the independent variable?

a)

The weight of the jumper

b)

The size of the parachute

c)

The wind speed

d)

The time to reach the ground

2.

The time it took parachutes of different size to fall to the ground was tested. What is the dependent variable?

a)

The weight of the jumper

b)

The size of the parachute

c)

The wind speed

d)

The time to reach the ground

3.

The time it took parachutes of different size to fall to the ground was tested. What are the two controlled variables?

a)

The weight of the jumper

b)

The size of the parachute

c)

The wind speed

d)

The time to reach the ground

4.

"If the fish are given more food, then they will gain more weight". State the independent variable.

a)

Amount of food

b)

Weight of the fish

c)

Weight

d)

Food

5.

"If the fish are given more food, then they will gain more weight". State the dependent variable.

a)

Amount of food

b)

Weight of the fish

c)

Weight

d)

Food

6.

Define dependent variable

a)

The variable you measure

b)

The variable you change

c)

The variables you keep the same

7.

What does dependent variable mean?

a)

The variable you measure

b)

The variable you change

c)

The variables you keep the same

8.

The variable you measure is the ___________ variable:

a)

Control

b)

Dependent

c)

Independent

9.

Define independent variable

a)

The variable you measure

b)

The variable you change

c)

The variables you keep the same

10.

What does independent variable mean?

a)

The variable you measure

b)

The variable you change

c)

The variables you keep the same

11.

The variable you change is the ___________ variable:

a)

Control

b)

Dependent

c)

Independent

12.

Define control variable

a)

The variable you measure

b)

The variable you change

c)

The variables you keep the same

13.

What does control variables mean?

a)

The variable you measure

b)

The variable you change

c)

The variables you keep the same

14.

All the variables you keep the same for all test runs are the ___________ variables:

a)

Control

b)

Dependent

c)

Independent

15.

What do we call the paragraph at the end of a science report that discusses whether the results proved or disproved the hypothesis.

a)

Conclusion

b)

Variables

c)

Results

d)

Questions

16.

Water boils at 100oC. Is this an example of qualitative or quantitative data?

a)

Qualitative

b)

Quantitative

17.

Water has bubbles appear when it boils. Is this an example of qualitative or quantitative data?

a)

Qualitative

b)

Quantitative

18.

What scientific equipment is the beaker?

a)
b)
c)
d)
19.

What scientific equipment is the measuring cylinder?

a)
b)
c)
d)
20.

What scientific equipment is the bunsen burner?

a)
b)
c)
d)
21.

What scientific equipment is the tripod?

a)
b)
c)
d)
22.
Which of the following statements is an inference about the picture
a)
The vase is broken.
b)
The girls' bow is blue and purple.
c)
The girl broke the vase.
d)
The girl has blonde hair.
23.
Which of these statements is NOT an observation about this picture?
a)
There is a red candle on the window sill.
b)
The moon is full.
c)
It is Christmas time.
d)
There's snow on the tree.
24.
Which of the following is NOT an inference about the man in this picture:
a)
The man hates his purple shirt.
b)
The man has a purple shirt.
c)
The man is having a bad day.
d)
This man is upset because he's hungry
25.
Observations like measurements are ____________ observations
a)
quantitiative
b)
qualitative
c)
operational
d)
scientific
26.
Observations like the color or texture of an object are ________________ observations.
a)
quantitative
b)
qualitative
c)
operational
d)
scientific
27.

Using any of your 5 senses to describe the world around you.

a)

Observation

b)

Inference

c)

Quantitative Observation

d)

Logical Theory

28.

Observation or Inference: I think the weather is cold.

a)

Observation

b)

Inference

29.

Observation or Inference: I notice the tree by the pond has no leaves on it.

a)

Observation

b)

Inference

30.

Qualitative or Quantitative: There is 300 mL of liquid in this beaker.

a)

Qualitative Observation

b)

Quantitative Observation

31.

Qualitative or Quantitative: I feel rough sand and a strong heat on the back of my neck.

a)

Qualitative Observation

b)

Quantitative Observation

32.

Which two of these can be observations about a gorilla?

a)

The gorilla wants a bigger banana.

b)

The gorilla has 5 fingers on his right hand.

c)

The gorilla is hungry.

d)

The gorilla has dark brown hair.

33.

Which of these choices are inferences about the picture.

a)

The gorilla wants a bigger banana.

b)

The gorilla has two eyes.

c)

The gorilla will be hungry after he eats that banana.

34.

BLACK PEPPER, GARLIC AND VINEGAR

a)

Solution

b)

Suspension

c)

Colloid

35.

CLOUDS IN THE SKY

a)

Suspension

b)

Colloid

c)

Solution

36.

WITH THE SMALLEST PARTICLES AMONG THE THREE TYPES OF MIXTURE

a)

Colloid

b)

Suspension

c)

Solution

37.

SOFTDRINKS AND ICE

a)

Solution

b)

Suspension

c)

Colloid

38.

COFFEE BEANS AND WATER

a)

Solution

b)

Suspension

c)

Colloid

39.

POWDERED MILK AND WATER

a)

Solution

b)

Suspension

c)

Colloid

40.

POWDERED COFFEE AND WATER

a)

Solution

b)

Suspension

c)

Colloid

41.

SOLUTIONS HAVE LARGE AND HEAVY PARTICLES

a)

TRUE

b)

FALSE

42.

COLLOIDS HAVE PARTICLES THAT ARE DISPERSED AND DO NOT SETTLE AT THE BOTTOM.

a)

TRUE

b)

FALSE

43.

A WHIPPED CREAM IS AN EXAMPLE OF COLLOID

a)

TRUE

b)

FALSE

44.
Sugar water is a 
a)
solution
b)
suspension
c)
colloid
45.
Milk is a 
a)
solution
b)
suspension
c)
colloid
46.
What type of mixture separates upon standing?
a)
Solution
b)
Colloid
c)
Suspension
47.
type of mixture that doesn't separate on its own but still contains undissolved particles
a)
solution
b)
colloid
c)
suspension
48.

A type of mixture where the particles are larger than those in a solution but not heavy enough to settle out.

a)

Colloid

b)

Suspension

c)

Solution

49.

A solution has solute and solvent as it's components.

a)

True

b)

False

50.

When creating a table you must (Select all that are correct)

a)

Put the dependent variable in first column

b)

Put the independent variable in first column

c)

Use a ruler

d)

Only use a ruler if you have messy hand writing

51.

What do I need to bring into the test? (Select more than one answer)

a)

Pencil

b)

Ruler

c)

Calculator

d)

A page of notes

52.

What can I not bring into the test?

a)

Pencil

b)

Ruler

c)

Calculator

d)

A page of notes

53.

Can I talk in a test?

a)

No

b)

Yes, but only to ask my friend to borrow equipment

c)

Yes, but only to ask my friend to read a question out to me

d)

Yes, but only if I am quiet to not disrupt others

54.

Tick all the safety steps you must take when using a Bunsen burner

a)

You must always face the flame

b)

You must wear safety goggles

c)

You must wash your hands immediately after touching the Bunsen burner

d)

You must light the Bunsen burner with the air hole closed

55.

Which sign is the "poison sign"?

a)
b)
c)
d)
56.

Which sign is the "radiation sign"?

a)
b)
c)
d)
57.

This is...

a)

Flammable

b)

Explosive

c)

Harmful

d)

Toxic

58.

This is...

a)

Explosive

b)

Irritant

c)

Dangerous for the environment

d)

Harmful

59.

This is...

a)

Dangerous for the environment

b)

Toxic

c)

Irritant

d)

Flammable

60.

What sign is this?

a)

Flammable

b)

Fire

c)

electric

d)

hair

61.

what is that sign

a)

arrow

b)

elctric

c)

risk of electrocution

d)

virus

62.

what is that sign

a)

death

b)

toxic

c)

pirates

d)

harmful

63.

Choose the example of error caused by observer when taking measurement.

a)

Zero error

b)

Eye-ball error

c)

Parallax error

d)

Measuring instruments error

64.

This is an example of what type of error?

a)

Absolute

b)

Observer

c)

Parallax

d)

Random

65.

What is the measurement with NO parallax error?

a)

19.62mL

b)

19.70mL

c)

19.82mL

d)

20mL

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