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Metric Unit, Scientific Method, Density

Total questions: 42

Worksheet time: 52mins

Name
Class
Date
1.
The factor in an experiment that will be changed. 
a)
dependent variable
b)
independent variable
c)
controlled variable
d)
inferences 
2.
You use your five senses to describe something
a)
observation
b)
prediction
3.
The summary at the end of an experiment that explains the results. 
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
4.
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
5.
The test of a hypothesis is called a
a)
control
b)
dependent variable
c)
conclusion
d)
experiment
6.
The name of the information that you get from your experiment (you organize it into charts and graphs).
a)
observations
conclusion
b)
data
c)
variables
d)
hypothesis
7.
A possible explanation to a problem that has not yet been tested. 
a)
data
b)
theory
c)
hypothesis
d)
fact
8.
The factors in an experiment that can be changed. 
a)
variables
b)
quantitative data
c)
hypothesis
d)
steps
9.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what are the controlled variables?
a)
Type of plant, amount of music, and sunlight
b)
Water, apple juice, milk
c)
Plant growth
10.
You should tie back long hair or baggy clothing
a)
When working with chemicals
b)
When working with a Bunsen burner
c)
When doing dissections
d)
Any time you are working in the lab
11.
During lab activities you should always wear
a)
Goggles
b)
An apron
c)
Goggles and an apron
d)
Just normal clothing
12.
When is it OK to eat or drink at the lab tables?
a)
Always
b)
During group work, but not during lab activities
c)
Never
d)
During lab activities
13.
If you break glassware in the lab, you should...
a)
Tell the teacher
b)
Clean it up quickly before the teacher notices
c)
Scream at the top of your lungs
14.

Which units are the BASE units in the metric system? Check all that apply.

a)

Meters

b)

Liters

c)

Grams

d)

Inches

e)

Miles

15.

What scientific tool is used to measure volume of liquids, such as water and chemicals?

a)

Meter Stick

b)

Ruler

c)

Graduated Cylinder

d)

Triple Beam Balance

16.

What scientific tool is best to measure the length of a classroom?

a)

Meter Stick

b)

Ruler

c)

Graduated Cylinder

d)

Triple Beam Balance

17.

What scientific tool is used to measure the mass of an object like a beaker?

a)

Meter Stick

b)

Ruler

c)

Graduated Cylinder

d)

Triple Beam Balance

18.

Which units below are NOT part of the metric system? Check all that apply.

a)

Inches

b)

Feet

c)

Meters

d)

Grams

19.

Which unit below is the largest?

a)

Kilogram

b)

Gram

c)

Centigrams

d)

Milligrams

20.

What unit is used for measuring MASS in the metric system?

a)

Grams

b)

Liters

c)

Meters

d)

Miles

21.

Which unit of the metric system is used for measuring VOLUME?

a)

Meters

b)

Liters

c)

Grams

d)

Ounces

22.

What base unit is used in the metric system to measure LENGTH?

a)

Meters

b)

Liters

c)

Grams

d)

Miles

23.

Using your knowledge of the metric system, which unit is the biggest?

a)

Kilo

b)

Deka

c)

Deci

d)

Milli

24.

Which of the following unit prefixes is the SMALLEST?

a)

Kilo

b)

Hecto

c)

Centi

d)

Milli

25.

Convert 6 cm to mm. How many mm equals 6 cm?

a)

6,000 mm

b)

600 mm

c)

60 mm

d)

6 mm

26.

How many milligrams are in 100 grams? Convert 100 grams (g) to milligrams (mg).

a)

10 mg

b)

1,000 mg

c)

100,000 mg

d)

1,000,000 mg

27.

Which unit is bigger?

a)

kilograms

b)

grams

28.

Which unit is bigger?

a)

meters

b)

millimeters

29.

Which unit is smaller?

a)

Centimeters

b)

Millimeters

30.
What two types of measurements make up DENSITY? 
a)
Mass and Volume
b)
Temperature and Mass
c)
Grams and Centimeters
d)
Volume and Weight
31.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
32.
If an object has a density of .6 g/mL and you put it into water, will it sink or float?  
a)
sink
b)
float
33.
If an object has a density of 3.6 g/mL and you put it into water, will it sink or float?  
a)
sink
b)
float
34.
Frank has an eraser. It has a mass of 4g, and a volume of 2cm3. What is its density?
a)
8 g/cm3
b)
2 g/cm3
c)
1/2 g/cm3
d)
24 g/cm3
35.
What units are used to measure mass?
a)
g
b)
cm3
c)
g/cm3
d)
cm3/g
36.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
37.
Helium balloons rise on earth because
a)
helium is less dense than air
b)
helium is more dense than air
c)
helium is cooler than air
d)
helium is warmer than air
38.
True or False:  The density of a specific type of material never changes.  
a)
True
b)
False
39.
Calculate the density of the cube.
a)
2 g/cm3
b)
4 g/cm3
c)
6 g/cm3
d)
8 g/cm3
40.
Should experiments be repeated over and over to see if the results are the same each time?
a)
yes
b)
no
41.
What measures the space that something takes up?
a)
Density
b)
Distance
c)
Mass
d)
Volume
42.
What measures the amount of matter in an object?
a)
Distance
b)
Mass
c)
Time
d)
Volume

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