Free Printable Unit 1 Practice Review

Worksheets

Unit 1 Practice Review

Total questions: 30

Worksheet time: 51mins

Name

Class

Date

How many significant figures are in this number: 0.00258

How many significant figures are in this number: 47.00

How many significant figures are in this number: 250,000

How many significant figures are in the number? 4.06 x 10^-5 m

unknown

What is the correct answer to: 6.201 cm + 7.4 cm + 0.68 cm +12.0 cm =

26.281

26.28

26.2

26.3

What is the correct answer for: 1.31 cm x 2.3 cm

3.013

3.01

3.02

3.0

What is the correct answer for: 20.2 cm ÷ 7.41 s

2.726045884

2.72604

2.73

2.7

What is 78.5 rounded to one significant figure?

78.5

Round 1,296,717 to 3 significant figures

1,290,000

1,296,000

1,297,000

1,300,000

1.30 x 10⁶

10.

Round 0.010229 to four significant figures

1022

1023

0.01023

0.01022

11.

Round 8,775 to three significant figures.

877

8,770

8,780

8,770

12.

Convert this number to standard notation: 7.1 x 10⁴

(a)

13.

Convert this number into scientific notation: 0.068

6.9 x 10⁶

6.8 x 10^-9

6.8 x 10^-2

None of the above

14.

Convert this number to standard notation: 1.4 x 10^-2

(a)

15.

Convert this number into scientific notation: 950,000

9.5 x 10⁵

9.5 x 10^-9

9.5 x 10²

None of the above

16.

Which value is the greatest

5.0 x 10^-9

5.0 x 10^-4

5.0 x 10⁶

5.0 x 10⁸

17.

Convert 17 m to cm:

0.17 cm

0.017 cm

1,700 cm

170 cm

18.

Convert 300 meters to centimeters:

3000 cm

0.3 cm

30,000 cm

3 cn

19.

Convert 8 kilometers to meters

800 m

80,000 m

8,000 m

.008 m

20.

Convert 5 cm to mm:

5,000mm

0.5 mm

0.05 mm

50 mm

21.

How many significant figures?

8010 cm

(a)

22.

How many significant figures?

0.0510

(a)

23.

Measure the volume of the liquid using the proper number of sig figs.

73 mL

73.0 mL

70.3 mL

73.03 mL

24.

Type in the measurement on the ruler to the correct number of significant digits. No unit.

(a)

25.

A chef is preparing a meal for his guests. Which action should he use to demonstrate a chemical change?

chopping a carrot

folding a tortilla

tearing a lettuce leaf

burning the toast

26.

Properties that DO change depending on the amount of matter present.

Mass

Hardness

Extensive

Intensive

27.

Which of the following is an intensive property?

Color

Mass

Volume

Weight

28.

Frank has an eraser. It has a mass of 4g, and a volume of 2cm³. What is its density?

8 g/cm³

2 g/cm³

1/2 g/cm³

24 g/cm³

29.

What is the mass of a 25 cm³ liquid if it has a density of 5 g/cm³?

125 g

5 g

$\frac{5g}{cm^3}$

$0.2\ cm^3$

30.

What is the basic unit of liquid volume in the metric system?

gram

meter

Liter

cm³

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Unit 1 Practice Review

Total questions: 30

Worksheet time: 51mins

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