Grade 7 Integrated Science – Basic Science Skills Quiz

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

vision
conclusion
manipulative
prediction
Explanation:

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

communication
analysis
manipulative
observation
Explanation:

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

prediction
observation
communication
conclusion
Explanation:

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

conclusion
classification
prediction
communication
Explanation:

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

communication
classification
conclusion
prediction
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?

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

8. What is derived quantities?

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

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

area
time
mass
length
Explanation:

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

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

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

time
length
mass
temperature
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
kilometre
length
Explanation:

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

thermometer
length
time
watch
Explanation:

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

shock
mole
electric current
time
Explanation:

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

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

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

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

18. Convert 350cm into SI unit.

3.5 km
35 m
3.5 m
0.35 km
Explanation:

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

0.004 kg
0.4 kg
0.04 km
0.4 m
Explanation:

20. Convert 37 degrees centigrade to its SI unit

3.7 T
310 K
300 K
236 T
Explanation:

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

2220 s
220 s
97 h
2220 h
Explanation:

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

Area
Density
Length
Volume
Explanation:

23. Define Area.

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

24. Define density.

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

25. Define volume.

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

26. What is the SI unit of area?

cubic kilometre
cubic metre
square kilometre
square metre
Explanation:

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

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

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

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

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

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

30. What is the SI unit of volume?

metre
metre squared
metre cubic
kilometre squared
Explanation:

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

cylinder
triangle
cube
cuboid
Explanation:

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

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

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

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

34. What is the SI unit of density?

kilograms per cubic metre
grams per cubic centimeters
cubic metre
kilograms
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
0.0008 kilograms per cubic metres
800 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.

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

38. What information is not found in packing labels ?

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

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

Form a hypothesis
Make a conclusion
Ask a question
Analyze the data
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?

Control variable
Independent variable
Dependent variable
Subjective 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 proven fact
A final answer
A random guess
A testable prediction
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 compare the results to no treatment
To make the experiment more complicated
To increase the cost of the experiment
To eliminate variables
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 provide evidence for or against a hypothesis
To waste time and resources
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?

Pie chart
Line graph
Bar graph
Scatter plot
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 obtain funding
To share findings with the public
To evaluate the quality and validity of research
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?

Kilograms
Gallons
Meters
Inches
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?

Form a hypothesis
Make a conclusion
Conduct experiments
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 liquid is at 25 degrees Celsius
The plant is 10 centimeters tall
The sky is blue
The volume of gas is 2 liters
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.