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21Mon Spring Mid Term Rev Science

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

Is burning wood a chemical or physical change?

a)

chemical

b)

physical

2.

Which of the following is NOT an example of a physical change?

a)

crumpled paper

b)

pencil sharpening

c)

shrunken clothing

d)

sour milk

3.

To change kilometers to meters, move the decimal place...

a)

3 to the right.

b)

3 to the left.

c)

2 to the right.

d)

1 to the left.

4.

Convert 43 m to cm.

a)

4,300 cm

b)

0.43 cm

c)

43,000 cm

d)

0.0043 cm

5.

Convert 8,562 cm to km.

a)

0.08562 km

b)

8,562,000 km

c)

8.562 km

d)

85,620 km

6.

Write 0.000972 in scientific notation.

a)

9.72 x 10-3

b)

972 x 10-4

c)

9.72 x 10-4

d)

9.72 x 104

7.

How do you write 8.317 x 106 in standard form?

a)

8, 371, 000

b)

83, 170, 000

c)

8, 317, 000

d)

837, 100

8.

Subatomic particles with a negative charge

a)

Neutrons

b)

Electrons

c)

Protons

d)

Quarks

9.

Which of the following elements has 13 electrons?

a)

aluminum

b)

argon

c)

arsenic

d)

actinium

10.

How many neutrons does the element nickel have?

a)

59

b)

28

c)

31

d)

60

11.

How many protons does the element copper have?

a)

64

b)

29

c)

35

d)

21

12.

Which of the following elements has a mass number of 79?

a)

Chlorine

b)

Arsenic

c)

Sulfur

d)

Selenium

13.

Find Atomic Mass: What is the mass of one mole of Lithium (Li)?

a)

22.9 grams

b)

6.9 grams

c)

56.9 grams

d)

14.0 grams

14.

Find Molecular Mass: Calculate the mass of one mole of H20 (water).

a)

18.0 grams

b)

44.0 grams

c)

14.0 grams

d)

180.0 grams

15.

What is the molar mass of AuCl3?

a)

96 g

b)

130 g

c)

303.3 g

d)

232.5 g

16.

Name the following ionic compound: BeCl2

a)

beryllium chlorine

b)

beryllium II chloride

c)

beryllium chloride

d)

beryllium dichloride

17.

What is the name of Al(NO3)3?

a)

Aluminum trinitrate

b)

Monoaluminum nitrate

c)

Aluminum Nitrate

d)

Aluminum (III) nitrate

18.

What is the name of N2O3

a)

Dinitrogen trioxide

b)

Nitrogen trioxide

c)

Dinitrogen oxide

d)

Nitrogen oxide

19.

What is the correct name for C4H6?

a)

What is the correct name for C4H6?

b)

Pentacarbon Pentahydride

c)

Hexacarbon Tetrahydride

d)

Tetracarbon Hexahydride

20.

What is the formula for Tricarbon Octahydride?

a)

Ca3O

b)

C2H8

c)

C3H8

d)

Ca3H8

21.

Convert 25 degree Celsius into degree Fahrenheit

a)

67

b)

78

c)

76

d)

77

22.

Convert the temperature 185° F to the Celsius scale

a)

80 °C

b)

85° C

c)

83° C

d)

88° C

23.

Convert

Convert 1000 C to Kelvin degrees

a)

273 K

b)

0 K

c)

373 K

d)

212 K

24.

184 kg = ____________ lbs?

a)

360.2 lbs

b)

424.1 lbs

c)

404.8 lbs

d)

480.1 lbs

25.

DES MOINES IS 160 km away. How many miles away is it?

a)

100 miles

b)

300 miles

c)

160 miles

d)

200 miles

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