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Ch1: A physics tool kit review

Total questions: 40

Worksheet time: 1hrs 29mins

Name
Class
Date
1.
Change from standard form to scientific notation: 12,000,000
a)
12.0  x  107
b)
0.12  x  107
c)
1.2  x  106
d)
1.2  x  107
2.
Change from standard form to scientific notation:  450,000
a)
4.5  x  105
b)
45  x  105
c)
4.5  x  104
d)
4.5  x  106
3.
Change from standard form to scientific notation:  0.000398
a)
39.8  x  10-5
b)
3.98  x  10-5
c)
3.98  x  10-4
d)
39.8  x  10-6
4.
Which number is correctly written in scientific notation?
a)
5.67 x 105
b)
56.7 x 103
c)
0.567 x 106
5.

How many significant figures are there in 125 meters?

a)

1

b)

2

c)

3

d)

4

6.

Identify, how many significant figures does the following number have?

0.2460800.246080  



(a)  

7.

Which of the following numbers have two significant figures?

Choose two numbers.

a)

21

b)

4900.

c)

0.000210

d)

0.023

8.
Round 0.010229 to four sig figs
a)
1022
b)
1023
c)
0.01023
d)
0.01022
9.
125,678,000: Change to scientific notation
a)
1.25678  x  1012
b)
.125678  x  10-9
c)
12.5678  x  108
d)
1.25678  x  108
10.
Try to change the number back to standard form: 3.97  x  10-2
a)
0.000397
b)
0.0397
c)
0.0000397
d)
0.397
11.
How would you write 0.0005 in scientific notation?
a)
50 x 105
b)

5 x 10-4

c)

5 x 10-3

d)
.5 x 103
12.

A unit of length in the metric system is the:

a)

Liter

b)

Meter

c)

Gram

d)

Newton

13.

What is the correct measurement?

a)

33 ml

b)

39ml

c)

40 ml

d)

38 ml

14.

Which would be the best metric units to use to find the mass of a dog?

a)

Kilograms

b)

Kilometers

c)

Liters

d)

Milligrams

15.
240 cm = ___________ m
a)
2400
b)
24
c)
2.4
d)
0.24
16.
1000 m = ___________ km
a)
100
b)
10
c)
1
d)
0.1
17.

6 kg = _____ g

a)

6

b)

6000

c)

600

d)

.006

18.
Which unit is the smallest?  
a)
km
b)
mm
c)
m
d)
cm 
19.

900 cm ____ 9000 mm

a)

<

b)

=

c)

>

20.

Which of the following is the heaviest?

a)

3,500 g

b)

3 kg

c)

4,000 g

21.
What is the first step in the scientific method?
a)
Make an observation --> Question
b)
Design and conduct an experiment
c)
Make an hypothesis
d)
Share your results
22.
A testable prediction about a scientific investigation is a(n)
a)
Question
b)
Observation
c)
Hypothesis
d)
Experiment
23.
Convert 17 m to cm:
a)
0.17 cm
b)
0.017 cm
c)
1,700 cm
d)
170 cm
24.
What number is the metric system based?
a)
10
b)
20
c)
1
d)
100
25.
A series of steps used by scientists to solve a problem or answer a question. 
a)
scientific method
b)
recipe
c)
data collection
d)
metric system
26.

Which of these contains steps in the right order?

a)

Ask a question, research, state your hypothesis, experiment, analyze, draw a conclusion

b)

State your hypothesis, ask a question, research, experiment, analyze, draw a conclusion

c)

State your hypothesis, ask a question, research, draw a conclusion, experiment, analyze

d)

Ask a question, state your hypothesis, research, experiment, analyze and draw a conclusion, share the results

27.
Express the following in standard notation:
8.025 x 10-8
a)
.00000008025
b)
.000000008025
c)
802,500,000,000
d)
80,250,000,000
28.

What is the base unit for distance?

a)

mm

b)

cm

c)

m

d)

km

29.

True or False:


When writing

a number in standard form,

the first number must be

greater than or equal to 1 but less than 10.

a)

FALSE

b)

TRUE

30.

True or False:


13.7 × 103 is written in standard form.

a)

True

b)

False

31.

What is the base unit for time?

a)

Seconds

b)

Minutes

c)

Hours

d)

Days

32.

How many Watts are there in one megawatt (MW)?

a)

1

b)

100

c)

1000

d)

1,000,000

33.

A measurement is a comparison between an unknown

a)

another unknown quantity

b)

a standard

c)

a prediction

d)

a estimate

34.

Which describes how close a measurement is to the true value?

a)

significance

b)

precision

c)

accuracy

d)

reproducibility

35.

Which describes a measurement that is repeatable and consistent?

a)

high precision

b)

high accuracy and precision

c)

low precision

d)

high accuracy

e)

low accuracy

36.

Which is the term for the effect that occurs when a measurement is taken from an angle?

a)

scattering

b)

parallax

c)

diffusion

d)

refraction

37.

This line has a __________ slope.

a)

Negative

b)

Positive

c)

Undefined

d)

No Slope

38.

What type of graph is this?

a)

Linear

b)

Quadratic

c)

Cubic

d)

Reciprocal

39.

What is the dependent variable in the graph?

a)

time

b)

distance

40.

What is the relationship between distance and time in the graph?

a)

direct (linear)

b)

indirect (inverse)

c)

squared (quadratic)

d)

lunar (elliptical)

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