Grade 7 Integrated Science – Basic Science Skills Quiz

1. Which of the skills is not required to make the right observations ?

vision
conclusion
prediction
manipulative
Explanation:

2. ...........skills is the ability to handle and control things in a skillful manner.

observation
analysis
communication
manipulative
Explanation:

3. .........skills is the process of gathering information about our surrounding.

observation
communication
prediction
conclusion
Explanation:

4. ..............skills is the process of grouping things in nature based on observation.

conclusion
communication
classification
prediction
Explanation:

5. ........skills is an interpretation after an observation

classification
communication
prediction
conclusion
Explanation:

6. Which one is not application of basic science skills?

doing experiment
self reliance
understanding concepts in nature
prediction skills
Explanation:

7. What is basic quantities?

are physical quantities that cannot be defined in terms of other quantities.
are the quantities that can be derived from fundamental quantities.
are a part of the number system, including all the positive numbers from 1 to infinity.
the amount or number of a material or abstract thing not usually estimated by spatial measurement.
Explanation:

8. What is derived quantities?

are physical quantities that cannot be defined in terms of other quantities.
are the quantities that can be derived from fundamental quantities.
are a part of the number system, including all the positive numbers from 1 to infinity.
the amount or number of a material or abstract thing not usually estimated by spatial measurement.
Explanation:

9. The following are basic quantities except.......

mass
area
time
length
Explanation:

10. The SI units of time is seconds.which of the quantities below is wrongly matched with its SI unis?

mass-grams
amount of substance-mole
electric current- ampere
luminous intensity-candela
Explanation:

11. ----- is the distance between two points.

temperature
length
time
mass
Explanation:

12. -----is the quantity of matter in an object.

length
mass
mole
candelabra
Explanation:

13. -------is the degree of coldness or hotness of a body.

mass
temperature
length
kilometre
Explanation:

14. .....is the measure of duration.

thermometer
time
length
watch
Explanation:

15. .........is the movement of electricity from one point to another through an electric circuit.

electric current
time
mole
shock
Explanation:

16. .......are used to measure length.

beam and electric balance
ammeter and voltmeter
ruler and tape measure
thermal gun and wrist watch
Explanation:

17. which one is not a type of instrument used to measure temperature?

thermionic fluid
digital thermometer
thermal gun
liquid in glass thermometer
Explanation:

18. Convert 350cm into SI unit.

35 m
3.5 km
0.35 km
3.5 m
Explanation:

19. The mass of a loaf of bread is 400 g.What is its mass in SI unit?

0.004 kg
0.04 km
0.4 m
0.4 kg
Explanation:

20. Convert 37 degrees centigrade to its SI unit

236 T
300 K
310 K
3.7 T
Explanation:

21. Esther took 37 minutes to walk home from school.What time did Esther take in SI unit?

2220 s
2220 h
220 s
97 h
Explanation:

22. Which of the following is not a derived quantity?

Density
Area
Volume
Length
Explanation:

23. Define Area.

A measure of surface
distance between two points
quantity of matter in it
length multiply by width
Explanation:

24. Define density.

distance between two points
is the mass per unit volume
a measure of surface
the quantity of matter in an object
Explanation:

25. Define volume.

the space occupied by matter
mass per unit area
distance between two points
quantity of matter in an object
Explanation:

26. What is the SI unit of area?

square kilometre
cubic kilometre
square metre
cubic metre
Explanation:

27. What is the formula to find the area of a rectangle?

side multiply by side
pi multiply by radius squared
length multiply by width
length multiply by length
Explanation:

28. What is the formula to find the area of parallelogram?

length multiply by length
a half multiply by width plus width
base length multiply by perpendicular height
length multiply by width
Explanation:

29. Find the length of a rectangle with the longest side being 32 m and shortest side 20m.

104 metres
320 square metres
640 square metres
320 metres
Explanation:

30. What is the SI unit of volume?

metre cubic
kilometre squared
metre
metre squared
Explanation:

31. which of the following cannot be used to find the space occupied by matter?

triangle
cuboid
cylinder
cube
Explanation:

32. Find the volume of cuboid measuring 4 m by 18 m by 5 m.

360 metre squared
27 metre
90 metres
360 metres cubic
Explanation:

33. which of the formulas below can be used to find the volume of a cylinder?

π × radius × height
π × radius × radius
π × radius × radius × height
π × diameter × radius
Explanation:

34. What is the SI unit of density?

grams per cubic centimeters
kilograms per cubic metre
kilograms
cubic metre
Explanation:

35. 1 grams per cubic centimeters is equivalent to?

0.001 kilometres
1000 kilograms per cubic metres
100 metres
0.001 kilograms per cubic metres
Explanation:

36. The density of kerosene is 0.8 grams per cubic centimetres.Express this density in kilograms per cubic metres.

0.008 kilograms per cubic metres
8000 kilograms per cubic metres
800 kilograms per cubic metres
0.0008 kilograms per cubic metres
Explanation:

37. The volume of 2720 g of mercury was found to be 200 cubic centimetres.Calculate the density of mercury.

13.6 kilograms per cubic metres
13.6 grams per cubic centimetres
2920 grams
143.6 grams per cubic metres
Explanation:

38. What information is not found in packing labels ?

How to handle
Date of manufacture
Hazards associated with the products
Symbol meaning
Explanation:

39. What is the first step in the scientific method?

Form a hypothesis
Analyze the data
Make a conclusion
Ask a question
Explanation:

Asking a question is the first step in the scientific method because it helps define the problem or area of study that needs to be investigated.

40. Which of the following is NOT a valid variable in an experiment?

Subjective variable
Control variable
Independent variable
Dependent variable
Explanation:

A subjective variable is based on personal opinions or feelings and is not consistent or measurable. In a scientific experiment, variables should be measurable and quantifiable.

41. What is a hypothesis?

A testable prediction
A proven fact
A random guess
A final answer
Explanation:

A hypothesis is a testable prediction or explanation based on observations and prior knowledge. It is used to guide the experiment and make predictions about the outcome.

42. Why is it important to have a control group in an experiment?

To increase the cost of the experiment
To eliminate variables
To compare the results to no treatment
To make the experiment more complicated
Explanation:

A control group is necessary in an experiment to provide a baseline for comparison. By comparing the results of the experimental group to the control group, scientists can determine the effect of the independent variable.

43. What is the purpose of conducting experiments in science?

To waste time and resources
To provide evidence for or against a hypothesis
To make a mess
To prove a preconceived idea
Explanation:

The purpose of experiments in science is to gather data and evidence that either supports or refutes a hypothesis. This allows scientists to draw conclusions based on empirical evidence.

44. Which type of graph is best used to show trends over time?

Bar graph
Line graph
Scatter plot
Pie chart
Explanation:

A line graph is ideal for showing trends over time because it visually displays the relationship between two variables over a continuous range.

45. What is the purpose of peer review in scientific investigation?

To keep research secret
To evaluate the quality and validity of research
To share findings with the public
To obtain funding
Explanation:

Peer review is a process where experts in the same field evaluate and critique a research paper before it is published. This helps ensure the quality and accuracy of the research findings.

46. Which of the following is NOT a valid scientific measurement unit?

Meters
Inches
Kilograms
Gallons
Explanation:

Gallons are a unit of volume commonly used for measuring liquids, but they are not a standard scientific measurement unit. In science, the metric system is typically used for measurements.

47. What is the final step in the scientific method?

Conduct experiments
Form a hypothesis
Make a conclusion
Share results
Explanation:

Sharing results is the final step in the scientific method because it allows other scientists to evaluate and replicate the experiment, verify the findings, and contribute to the body of scientific knowledge.

48. Which of the following is an example of a qualitative observation?

The sky is blue
The liquid is at 25 degrees Celsius
The volume of gas is 2 liters
The plant is 10 centimeters tall
Explanation:

A qualitative observation uses the five senses to describe properties or qualities of an object, such as color, texture, or smell. In this case, 'blue' is a qualitative observation.