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WorksheetsEnergy and Metrics Review
Total questions: 21
Worksheet time: 19mins
Name
Class
Date
1.
Which of the following is correct scientific notation?
a)
20.35 x 104
b)
.2035 x 104
c)
2035 4
d)
2.035 x104
2.
How do you write 1001 in scientific notation?
a)
1.0001 x 104
b)
1.01 x 105
c)
1.001 x 103
d)
10.1 x 103
3.
How would you write 4.3756 x 104 in standard form?
a)
437,560,000
b)
0.00043756
c)
43,756
d)
4,3756
4.
Convert 300 K to oC
a)
27oC
b)
0oC
c)
-27oC
d)
573oC
5.
Convert -89 oC to K
a)
184K
b)
362K
c)
-362K
d)
-184K
6.
Convert 180oC to K
a)
453 K
b)
-93 K
c)
93 K
7.
Convert 195 K to oC
a)
468 oC
b)
-78 oC
c)
78 oC
8.
Convert from meters to cm: 9 meters
a)
900 cm
b)
90 cm
c)
0.9 cm
d)
0.09 cm
9.
Convert 300 meters to centimeters:
a)
3000 cm
b)
0.3 cm
c)
30,000 cm
d)
3 cn
10.
1000 grams = _____ kilograms
a)
0.0001
b)
1,000,000
c)
10
d)
1
11.
5,000 mg = ____ g
a)
50
b)
5
c)
500
d)
5,000
12.
Is 20 g greater than, less than, or equal to 2 kg?
a)
greater than
b)
less than
c)
equal to
13.
42 L = ___mL
a)
4,200
b)
.0042
c)
4.20
d)
42,000
14.
1 L = _______ mL
a)
1
b)
10
c)
100
d)
1000
15.
a)
Exothermic
b)
Endothermic
16.
a)
Exothermic
b)
Endothermic
17.
During an endothermic reaction in a beaker if we are part of the surroundings and touched the beaker, it would feel _______.
a)
Warm
b)
Cold
18.
Do reactants in an endothermic reaction have a higher or lower energy than the products?
a)
Higher
b)
Lower
19.
In an endothermic reaction the system is releasing energy.
a)
True
b)
False
20.
When the reaction absorbs heat and feels cold, it's called a(n):
a)
Endothermic reaction
b)
Exothermic reaction
21.
When the reaction that happens releases heat and therefore feels warm is called a(n):
a)
Endothermic reaction
b)
Exothermic reaction
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