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Metric System, Factor label conversion and Scientific Method

Total questions: 55

Worksheet time: 1hrs 13mins

Name
Class
Date
1.
What is the correct SI unit for mass?
a)
Kilograms
b)
newtons
c)
pounds
d)
grams
2.
What is the unit for weight?
a)
Hertz
b)
m/s
c)
Kilograms
d)
Newtons
3.
The amount of space an object takes up or the amount of space something contains
a)
volume
b)
weight
c)
mass
d)
force
4.

Metric (SI) Unit for temperature

a)

Newtons(N)

b)

Milligrams(mg), Grams (g), Kilograms (kg)

c)

Kelvin (K)

d)

Milliliters (ml), Liters (L)

5.

What SI unit is used to measure volume?

a)

meters

b)

liters

c)

candelas

d)

kilograms

6.
285 kg = ____ g
a)
285,000
b)
285
c)
2,850
d)
28,500
7.
Convert 5720 cm to km
a)
0.0572 km
b)
0.572 km
c)
5.72 km
d)
57.2 km
8.
Convert the following SI Units: 5 cm to meters
a)
5
b)
0.5
c)
0.05
d)
0.005
9.
Use your work to convert 43 miles to feet.
a)
0.000004405 ft
b)
143.33 ft
c)
227,040 ft
d)
69.23 km
10.
120 inches = ? Feet
a)
12 feet
b)
11 feet
c)
10 feet
d)
7 feet
11.
Convert 144 inches to yards
a)
2
b)
4
c)
8
d)
16
12.
Convert 5 yards into meters:
hint: Convert into in. then inches into cm
(1 in = 2.54 cm)
a)
4.398
b)
4.572
c)
7086.6
d)
7.0866
13.
The Olympic record for the high jump is just over 2.6 yards. What is that distance in feet?  (3 ft=1 yd)
a)
0.867 ft
b)
7.8 ft
c)
8.07 ft
d)
8.27 ft
14.
How many gallons are in a pool that holds 758,000 Liters?
(1 gallon = 3.79 Liters)
a)
200
b)
20,000
c)
200,000
d)
2,000,000
15.
In a controlled experiment, how many independent variables can be worked with at a time? 
a)
one
b)
none
c)
two or more
d)
how ever many makes sense.
16.
A testable explanation to a problem that has not yet been tested. 
a)
data
b)
theory
c)
hypothesis
d)
fact
17.
What step does every scientific experiment begin with?
a)
hypothesis
b)
question/problem
c)
procedures
d)
conclusion
18.

Identify part of scientific method in the phrase:

If I add 50 mL of water then the plant will grow taller.

a)

Data

b)

Hypothesis

c)

Procedure

d)

Problem

19.

Identify part of scientific method in the phrase:

Will running for more than 30 minutes each day increase test scores?

a)

Data

b)

Hypothesis

c)

Procedure

d)

Problem

20.

Identify part of scientific method in the phrase:

Water evaporated 25 mL in 5 days.?

a)

Data

b)

Hypothesis

c)

Procedure

d)

Problem

21.

Identify part of scientific method in the phrase:

Add 20 mg of baking soda to vinegar.

a)

Data

b)

Hypothesis

c)

Procedure

d)

Problem

22.
What two words are needed to form a hypothesis?
a)
If, Then
b)
Then, Independent
c)
If, Tails
d)
Independent, Dependable 
23.
A study was done to find if different tire treads affect the braking distance of a car.  What is the Independent Variable?
a)
Tire Treads
b)
Braking Distance
c)
Car
d)
None of these
24.
A study was done to find if different tire treads affect the braking distance of a car?  What is the dependent variable?
a)
tire treads
b)
braking distance
c)
car
d)
 all of these
25.
Which variable is the one manipulated by scientist?
a)
independent
b)
dependent
c)
constant
d)
inconstant
26.
Students measured the temperature of the water at different depths in Lake Skywalker and found that the temperature varied.  What is the constant?
a)
water depths
b)
temperature
c)
same lake
d)
Darth Vader 
27.
The amount of pollution produced by cars was measured for cars using gasoline containing different amounts of lead.  What is the constant?
a)
amount of lead
b)
pollution
c)
cars
d)
none of these
28.
The higher the temperature of the air in the oven the faster a cake will bake.  What is the independent variable?
a)
temperature
b)
baking time
c)
oven
d)
none of these
29.
The higher the temperature of the air in the oven the faster a cake will bake.  What is the dependent variable?
a)
temperature
b)
oven
c)
weather
d)
none of these
30.

Viewed the atom as a solid sphere that could not be divided into smaller particles.

a)

JJ Thomson

b)

Ernest Rutherford

c)

John Dalton

d)

Niels Bohr

31.

Thought the atom contained negative electrons surrounded by positive material

a)

JJ Thomson

b)

Ernest Rutherford

c)

John Dalton

d)

Niels Bohr

32.

Developed the "plum pudding" model of the atom

a)

JJ Thomson

b)

Ernest Rutherford

c)

John Dalton

d)

Niels Bohr

33.

Proposed electrons orbit the nucleus in specific layers, called energy shells.

a)

John Dalton

b)

JJ Thomson

c)

Ernest Rutherford

d)

Niels Bohr

34.

JJ Thomson discovered what subatomic particle

a)

nucleus

b)

neutron

c)

proton

d)

electron

35.

First person to propose the concept of an atom

a)

Rutherford

b)

Democritus

c)

Dalton

d)

Bohr

36.

These particles are found in the nucleus

a)

protons and electrons

b)

nucleus and neutrons

c)

protons and neutrons

d)

electrons and neutrons

37.

Which of the following shows the correct order of Atomic Theory Timeline

a)

Rutherford, Bohr, Dalton, Democritus, Thomson

b)

Bohr, Democritus, Thomson, Rutherford, Dalton

c)

Dalton, Thomson, Rutherford, Bohr, Democritus

d)

Democritus, Dalton, Thomson, Rutherford, Bohr

38.

Rutherford experimented with ____

a)

Gold foil and alpha particles

b)

Cathode rays and alpha particles

c)

electron and alpha particles

d)

gold foil and cathode rays

39.

Which Scientist created this model

a)

Democritus

b)

Chadwick

c)

Bohr

d)

Rutherford

40.
all matter is made of what 
a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
41.
The positive particles of an atom are 
a)
electrons 
b)
positrons 
c)
neutrons 
d)
protons 
42.
the central region of an atom where its neutrons and protons are is its 
a)
nucleus 
b)
electron cloud
c)
core 
d)
center 
43.
an atom with atomic number 6 would have how many protons 
a)
6
b)
12
c)
3
d)
cannot be determined 
44.
Particles in an atom that are neutral and have no charge are 
a)
negatrons 
b)
electrons 
c)
neutrons 
d)
protons 
45.
True or False? Neutrons have a negative charge
a)
True
b)
False
46.
What is the atomic number for an element with three protons?
a)
2
b)
1
c)
3
d)
6
47.
A particle that moves around the nucleus is a(n)...
a)
Proton
b)
Neutron
c)
Electron
d)
Quark
48.
What does the 1.00794 stand for?
a)
Hydrogen
b)
atomic number
c)
atomic mass
d)
atomic explosion
49.
An atom with an unequal number of protons and electrons is said to have (a) ___.
a)
no charge
b)
balance
c)
charge
d)
unbalance
50.
Ions are: 
a)
atoms with a positive or negative charge
b)
atoms with no charge
c)
atoms with ONLY a positive charge
d)
atoms with ONLY a negative charge
51.
Two atoms of the same element but with different mass numbers are called________
a)
electrons
b)
isotopes
c)
variables
d)
electron cloud
52.
How many neutrons does the isotope of lithium have?
a)
8
b)
3
c)
4
d)
5
53.
How many protons does this isotope of titanium have?
a)
48
b)
22
c)
26
d)
70
54.
(8.5A) An atom has 25 protons, 30 neutrons, and 25 electrons. What is the charge of the atom's nucleus?
a)
+25
b)
+30
c)
-25
d)
-30
55.
What does the 1.00794 stand for?
a)
Hydrogen
b)
atomic number
c)
atomic mass
d)
atomic explosion

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