Grade 7 Integrated Science – Basic Science Skills Quiz

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

prediction
vision
manipulative
conclusion
Explanation:

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

manipulative
observation
communication
analysis
Explanation:

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

conclusion
communication
observation
prediction
Explanation:

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

communication
classification
conclusion
prediction
Explanation:

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

classification
conclusion
communication
prediction
Explanation:

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

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

7. What is basic 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.
are the quantities that can be derived from fundamental quantities.
are physical quantities that cannot be defined in terms of other quantities.
Explanation:

8. What is derived 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.
are physical quantities that cannot be defined in terms of other quantities.
the amount or number of a material or abstract thing not usually estimated by spatial measurement.
Explanation:

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

time
mass
area
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
luminous intensity-candela
electric current- ampere
Explanation:

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

mass
time
length
temperature
Explanation:

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

length
mole
candelabra
mass
Explanation:

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

length
mass
temperature
kilometre
Explanation:

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

length
thermometer
time
watch
Explanation:

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

shock
time
electric current
mole
Explanation:

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

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

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

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

18. Convert 350cm into SI unit.

35 m
3.5 m
3.5 km
0.35 km
Explanation:

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

0.4 m
0.004 kg
0.4 kg
0.04 km
Explanation:

20. Convert 37 degrees centigrade to its SI unit

300 K
236 T
3.7 T
310 K
Explanation:

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

2220 h
97 h
2220 s
220 s
Explanation:

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

Volume
Density
Area
Length
Explanation:

23. Define Area.

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

24. Define density.

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

25. Define volume.

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

26. What is the SI unit of area?

square metre
cubic metre
square kilometre
cubic kilometre
Explanation:

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

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

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

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

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

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

30. What is the SI unit of volume?

kilometre squared
metre
metre cubic
metre squared
Explanation:

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

cuboid
triangle
cube
cylinder
Explanation:

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

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

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

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

34. What is the SI unit of density?

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

35. 1 grams per cubic centimeters is equivalent to?

0.001 kilograms per cubic metres
100 metres
1000 kilograms per cubic metres
0.001 kilometres
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
800 kilograms per cubic metres
8000 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.

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

38. What information is not found in packing labels ?

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

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

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

Dependent variable
Subjective variable
Control variable
Independent 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 testable prediction
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 make the experiment more complicated
To eliminate variables
To compare the results to no treatment
To increase the cost of the experiment
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 make a mess
To prove a preconceived idea
To waste time and resources
To provide evidence for or against a hypothesis
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?

Line graph
Scatter plot
Bar graph
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?

Kilograms
Inches
Gallons
Meters
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
Make a conclusion
Share results
Form a hypothesis
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 plant is 10 centimeters tall
The volume of gas is 2 liters
The liquid is at 25 degrees Celsius
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.