WorksheetsH-ES Unit 1 Part A
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
How many significant digits are in the number 0.005?
a)
1
b)
2
c)
3
d)
4
2.
How many significant digits are in the number 245,000?
a)
6
b)
5
c)
4
d)
3
3.
The SI base unit for mass is the
a)
gram
b)
Newton
c)
Joule
d)
kilogram
4.
How many millimeters are in one centimeter?
a)
1
b)
10
c)
100
d)
1000
5.
Which of these is the smallest?
a)
nanometer
b)
millimeter
c)
micrometer
d)
picometer
6.
Which of these would be used to measure the length of your house?
a)
meters
b)
millimeters
c)
kilometers
d)
centimeters
7.
Which of these is the SI base unite for amount of a substance?
a)
meter
b)
liter
c)
Kelvin
d)
mole
8.
Which is the correct scientific notation for 12,000,000?
a)
12 x 106
b)
1.2 x 107
c)
120 x 105
d)
12000 x 103
9.
Which is the correct scientific notation for 0.4500?
a)
45 x 10-2
b)
4.500 x 10-1
c)
4.5 x 10-1
d)
4500 x 10-4
10.
If you multiply 10.34 x 3.1, how many significant digits should the answer have?
a)
2
b)
3
c)
4
d)
5
11.
Instead of using inches for measuring length, the rest of the world uses
a)
centimeters
b)
meters
c)
grams
d)
liters
12.
Which SI prefix represents millionths (0.000 001)
a)
milli-
b)
deci-
c)
micro-
d)
nano-
13.
Which SI prefix stands for 1000?
a)
kilo-
b)
milli-
c)
micro-
d)
Mega-
14.
The SI base unit for temperature is
a)
Fahrenheit
b)
Kelvin
c)
Celsius
d)
none of these
15.
The SI base unit for luminosity is
a)
amperes
b)
luminose
c)
brights
d)
candela
16.
How many micrometers are in one meter?
a)
100
b)
1000
c)
1,000,000
d)
1,000,000,000
17.
Which of these prefixes represents the largest value?
a)
kilo
b)
Mega
c)
Giga
d)
Tera
18.
To find the volume of an irregular shaped object, like a rock, you must
a)
use a ruler
b)
use a balance
c)
use water displacement
d)
use a thermometer
19.
How many gigameters are in one terameter?
a)
10
b)
100
c)
1000
d)
1,000,000
20.
To convert pounds to milligrams, use would use
a)
dimensional analysis
b)
a meter stick
c)
your lab partner's answer
d)
an Erlenmeyer flask
100 %
