Free Printable Physical Science Exam 1 Study Guide

1.

Which of the following is the correct definition of scientific notation?

a)

A) A method of expressing numbers as a product of a coefficient and a power of 10.

b)

B) A method of converting units from one system to another.

c)

C) A method of identifying significant digits in a number.

d)

D) A method of measuring physical quantities.

2.

What is the standard form of 5.6 × 10^-4?

a)

0.00056

b)

0.0056

c)

0.0000056

d)

0.056

3.

Which of the following operations can be performed using scientific notation?

a)

Multiplication

b)

Division

c)

Addition

d)

All of the above

4.

Convert 0.00034 to scientific notation.

a)

3.4 × 10^-4

b)

3.4 × 10^-5

c)

3.4 × 10^-6

d)

3.4 × 10^-3

5.

What is the prefix for 1/1000 in the metric system?

a)

Kilo-

b)

Centi-

c)

Milli-

d)

Deci-

6.

Mason is training for a marathon and runs 5 kilometers every morning. How many miles does he run each morning? (1km = 0.621mi)

a)

3.1 miles

b)

2.1 miles

c)

4.1 miles

d)

6.1 miles

7.

What is the equivalent of 150 pounds in kilograms? (1lb = 0.454kg)

a)

68.04 kg

b)

70.04 kg

c)

72.04 kg

d)

74.04 kg

8.

What is the correct scientific notation for the number 45000?

a)

4.5 × 10⁴

b)

4.5 × 10⁵

c)

4.5 × 10³

d)

4.5 × 10²

9.

Round 3.14159 to 3 significant figures.

a)

3.14

b)

3.142

c)

3.141

d)

3.15

10.

Add 23.45 and 1.004, expressing the answer with the correct number of significant figures.

a)

24.454

b)

24.45

c)

24.5

d)

24.46

11.

Convert 55 miles per hour to meters per second. (1km = 0.621mi)

a)

24.59 m/s

b)

22.35 m/s

c)

20.45 m/s

d)

25.45 m/s

12.

Which of the following is a multi-step conversion?

a)

Converting inches to centimeters

b)

Converting miles to kilometers

c)

Depends on what conversion factors are available

d)

Converting hours to minutes

13.

Which of the following is a problem-solving strategy using dimensional analysis?

a)

Estimation

b)

Unit conversion

c)

Graphing

d)

Hypothesis testing

14.

A student measures the mass of a rock as 256.3 g. Express this in milligrams using scientific notation.

a)

2.563 x 10⁵ mg

b)

0.2563 x 10⁶ mg

c)

2.563 x 10¹ mg

d)

0.2563 x 10⁶ kg

15.

Describe a scenario where the metric system would be more advantageous than the English system.

a)

The English system is preferred in scientific research for its familiarity.

b)

The metric system is less precise than the English system in everyday measurements.

c)

The English system is easier to learn for new students in science classes.

d)

The metric system is more advantageous in scientific laboratories due to its ease of use and precision.

16.

Try to change the number back to standard form: 6.79 x 10⁴

a)

679,000

b)

6,790

c)

67,900

d)

6,790,000

17.

Divide:
(6.9 x 10⁷) / (2.3 x 10^-3)

a)

3 x 10¹⁰

b)

3 x 10⁴

c)

3 x 10^-4

d)

3 x 10^-11

18.

Multiply:
(9.4 x 10⁶)(3.2 x 10⁵)

a)

30.08 x 10¹¹

b)

3.8 x 10¹

c)

3.008 x 10¹²

d)

2.9375 x 10¹

19.

Express 5.6 x 10³ as a whole number or decimal.

(a)

20.

Write the following number in scientific notation correctly.

$0.00002\times10^{-5}$

a)

$2\times10^{-11}$

b)

$2\times10^{-10}$

c)

$2\times10^0$

d)

$2\times10^{-9}$

21.

Choose the smaller number.

a)

$9.5\times10^4$

b)

$9.21\times10^4$

22.

Which one of these is in scientific notation?

a)

8.987000

b)

8.98 x 10⁶

c)

80.987 x 10

d)

8.98⁶

23.

Write the following number in scientific notation.

360

a)

$3.6\times10^2$

b)

$0.36\times10^2$

c)

$3.6\times10^3$

d)

$3.6\times10^{-2}$

24.

Express 9.05 x 10²as a whole number or decimal.

(a)

25.

What is the scientific notation of the following number: 5,689,000,000

a)

$56.89\ x\ 10^8$

b)

$5.689\ x\ 10^9$

26.

Choose the bigger number.

a)

$2.45\times10^{-6}$

b)

$7.3\times10^{-8}$

27.

Express the following in scientific notation:

.000457

a)

457 x 10⁶

b)

457 x 10^-6

c)

4.57 x10⁴

d)

4.57 x 10^-4

28.

Evaluate the following expression.

$\left(2.1\times10^6\right)\left(6\times10^3\right)$

a)

$1.26\times10^{10}$

b)

$1.26\times10^9$

c)

$3.5\times10^1$

d)

$3.5\times10^2$

29.

Change from standard form to scientific notation: 0.004078

a)

4.078 x 10^-3

b)

4.078 x 10³

c)

40.78 x 10^-4

d)

.4078 x 10^-2

30.

How would you write 0.0005 in scientific notation?

a)

50 x 10^-5

b)

5 x 10^-4

c)

5 x 10³

d)

.5 x 10³

31.

How many significant figures are found in the following value? 8,260 miles

(a)

32.

Dimensional Analysis: A farmer started with 5 goats. He traded all of his goats for sheep at an exchange rate of 3 sheep for 1 goat. He then traded sheep for pigs at a rate of 1 sheep for 2 pigs. Next, he traded his pigs for canaries. For every 3 pigs, he got 27 canaries. He then sold all the canaries for $3.25 each. How much money did he make?

a)

$747.69

b)

$877.50

c)

$2632.50

33.

Choose all of the tools that can be used to measure length.

a)

graduated cylinder

b)

meter stick

c)

thermometer

d)

pipette

e)

spring scale

34.

A set of data are all close in value to each other, but they are not close to the actual value. This set of data can be described as _________________.

a)

precise

b)

accurate

35.

Mass, temperature and volume are examples of this kind of data.

a)

qualitative

b)

quantitative

36.

Timers at a swim meet used four different clocks to time an event. Which recorded time is the most accurate?

a)

55 s

b)

55.25 s

c)

55.2 s

d)

55.254 s

37.

How many meters are in a kilometer?

(a)

38.

One metre is equal to ………….. millimeter.

a)

10

b)

100

c)

1000

d)

10000

39.

Convert the following units: 1km is equal to $0.62mi^{ }$

How many kilometers would you travel in 5 miles?

a)

$80.65km$

b)

$8.06km^{ }$

c)

$8.06mi^{ }$

d)

3.1km

Physical Science Exam 1 Study Guide

Total questions: 39

Worksheet time: 29mins

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