Grade 7 Mathematics – Temperature Quiz

1. Convert 0°C to Kelvin.

3.142K
0K
273K
-273K
Explanation:

2. The temperature of water was 18°C.It was heated until it's temperature rose to 54° C.What was the rise in temperature?

-30°C
72 °C
36°C
-36°C
Explanation:

3. Convert 472 °c into Kelvin.

273 K
-745 K
195 K
745 K
Explanation:

4. Convert 393 into Kelvin.

570°c
120°c
650 °c
-120°c
Explanation:

5. The freezing point of water at sea level is ?

-273K
0°c
273°c
25°c
Explanation:

6. The boiling point of water at sea level is ?

100K
373K
0°c
0k
Explanation:

7. The normal temperature of human body is about?

36 K
310 K
37 K
360 ° c
Explanation:

8. Convert into Kelvin 12 °c.

261 K
285 K
-261 K
0 K
Explanation:

9. Convert into °c 12 K.

-261 °c
283 °c
261 °c
-283°c
Explanation:

10. Convert into Kelvin -273 °c.

546°K
1 K
-0 K
0 K
Explanation:

11. At what temperature does water freeze in degrees Celsius?

212 degrees
100 degrees
0 degrees
32 degrees
Explanation:

12. Which temperature scale has no negative temperatures?

Celsius
Fahrenheit
Joule
Kelvin
Explanation:

13. Convert 1 Degree Celsius to Kelvin.

373 K
0 K
- 283.15 K
274.15 K
Explanation:

14. Convert 0 Kelvin to Degrees Celsius.

- 273.15 degrees centigrade
273 K
- 273 K
273.15 degrees centigrade
Explanation:

15. Convert 253 Degrees Celsius to Kelvin.

625 K
186 K
526.15 K
0 K
Explanation:

16. Convert 186.5 Kelvins to Degrees Celsius:

180 K
- 86.65 Degrees Celsius
- 68.4 Degrees Celsius
- 50 Degrees Celsius
Explanation:

17. The temperature on Sunday was -15o C. The temperature on Monday was 12 degrees less than the temperature on Sunday. What was the temperature on Monday?

-27o C
-3o C
3o C
27o C
Explanation:

18. The lowest temperature on Thursday was -20o C. The lowest temperature on Saturday was -12o C. What was the difference between the lowest temperatures?

8o C
13o C
9o C
32o C
Explanation:

19. If it is 85 degrees in California and -4 degrees in Nebraska, how many degrees warmer is it in California?

-81
81
89
-89
Explanation:

20. The high temperature on Wednesday was 93 degrees. What was the absolute value of the temperature on Wednesday?

-93
zero
93
186
Explanation:

21. The temperature drops 2°F each hour. What is the total change in temperature after 12 hours?

24
26
-26
-24
Explanation:

22. In Buffalo, New York, the temperature was -14°F in the morning. If the temperature dropped 7°F, what is the temperature now?

-21°F
21°F
-7°F
7°F
Explanation:

23. At midnight, the temperature was 30 degrees. By 6:00 a.m, it had dropped 5 degrees, and by noon, it had increased by 11 degrees. What was the temperature at noon?

39 degrees
27 degrees
16 degrees
36 degrees
Explanation:

24. In Siberia, the temperature at 5am was -17 degrees. By 3pm, the temperature had risen to 9 degrees. How much did the temperature change?

5 degree change
8 degree change
13 degree change
26 degree change
Explanation:

25. At 6am in Buffalo, the temperature was -13 degrees. By noon, the temperature was 27 degrees. How much did the temperature change?

32 degree change
23 degree change
40 degree change
14 degree change
Explanation:

26. The temperature was 52°F. Later that day the temperature was 65°F. How many degrees does the temperature need to rise or fall to return to the original temperature of 52°F?

Fall 15 degrees
Rise 13 degrees
Fall 52 degrees
Fall 13 degrees
Explanation:

27. The temperature was -3°F. Later that day the temperature was -10°F. How much does the temperature need to rise or fall to return to the original temperature of -3°F?

Rise 10 degrees
Fall 7 degrees
Fall 13 degrees
Rise 7 degrees
Explanation:

28. The temperature was -5°F. Later that day the temperature was 3°F. How much does the temperature need to rise or fall to return to the original temperature of -5°F?

Rise 2 degrees
Rise 6 degrees
Fall 8 degrees
Rise 8 degrees
Explanation:

29. What is the freezing point of water in degrees Celsius?

10°C
0°C
30°C
20°C
Explanation:

The freezing point of water is 0°C, at this temperature water changes from liquid to solid state.

30. What is the boiling point of water in degrees Celsius?

70°C
50°C
100°C
90°C
Explanation:

The boiling point of water is 100°C, at this temperature water changes from liquid to gas state.

31. Which unit is used to measure temperature in the Kelvin scale?

Grams
Liters
Meters
Kelvins
Explanation:

The Kelvin scale is an absolute temperature scale where zero is absolute zero, the point at which all molecular movement ceases.

32. What is the room temperature in degrees Celsius?

18°C
22°C
28°C
32°C
Explanation:

Room temperature is typically around 22°C, although it can vary depending on personal preference and climate.

33. Which temperature scale is commonly used in scientific calculations?

Kelvin
Celsius
Rankine
Fahrenheit
Explanation:

Kelvin is the most commonly used temperature scale in scientific calculations because it is an absolute scale.

34. What is the equivalent of 50°F in degrees Celsius?

10°C
30°C
40°C
20°C
Explanation:

35. At what temperature does water start to boil in degrees Fahrenheit?

200°F
160°F
212°F
180°F
Explanation:

Water boils at 212°F on the Fahrenheit temperature scale.

36. What is the unit used to measure temperature in the Rankine scale?

Pascals
Newtons
Rankine
Kelvins
Explanation:

The Rankine scale is another absolute temperature scale where zero is absolute zero, just like the Kelvin scale.

37. What is the freezing point of water in Celsius?

0°C
25°C
100°C
50°C
Explanation:

Water freezes at 0°C.

38. What is the boiling point of water in Fahrenheit?

0°F
32°F
100°F
212°F
Explanation:

Water boils at 212°F.

39. How many degrees are in a radian?

90°
Ï€
360°
180°
Explanation:

There are π radians in a full circle.

40. What is absolute zero in Celsius?

-273°C
100°C
-100°C
0°C
Explanation:

Absolute zero is at -273°C, which is the lowest temperature possible.

41. What is the equivalent of 100°C in Fahrenheit?

212°F
0°F
100°F
32°F
Explanation:

42. What is the room temperature in Kelvin?

100K
0K
200K
273K
Explanation:

Room temperature is approximately 273K.

43. What is the normal body temperature in Celsius?

98°C
50°C
25°C
37°C
Explanation:

Normal body temperature is 37°C.

44. At what temperature do Fahrenheit and Celsius scales have the same value?

-40°
0°
100°
50°
Explanation:

Fahrenheit and Celsius are the same at -40°.

45. What temperature is considered a fever for humans in Celsius?

40°C
30°C
35°C
37°C
Explanation:

A fever in humans is often considered at 40°C or above.

46. What is the body temperature of a healthy bird in Fahrenheit?

89°F
98.6°F
75°F
106°F
Explanation:

The normal body temperature of a healthy bird is around 106°F.