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WorksheetsUnit 1 Test
Total questions: 40
Worksheet time: 44mins
Name
Class
Date
1.
Scientific investigations include many different steps. During a scientific investigation, which step occurs after a scientist collects data?
a)
Draw Conclusions
b)
Form the hypothesis
c)
Plan the experiment
d)
Follow the procedure
2.
A good experiment has several characteristics. Which characteristic is part of a good scientific experiment?
a)
Results can be reproduced
b)
Results are not reviewed by peers
c)
Results are based on a small sample size
d)
Results based on undisclosed procedure
3.
What time will the water temperature reach 16 degrees?
a)
4 seconds
b)
5 seconds
c)
6 seconds
d)
7 seconds
4.
A student wants to buy a new skateboard. He wants to find out if the size of the wheels affects how far he can coast on the skateboard. What is the independent variable in this experiment?
a)
size of the wheels
b)
how far he can coast
c)
skateboard material
d)
location he is skating
5.
A science class wants to find out if the shape of objects, made of the same metal, affect how fast these objects sink in water. The students use three objects that have the same mass but different shapes. The students drop each object into a large water tank and measure how long it takes for each object to reach the bottom of the tank. What is the dependent variable in this experiment?
a)
The shape
b)
The type of metal
c)
The mass
d)
How fast the objects sink
6.
The atom model has changed over time. Why did this scientific knowledge change over time?
a)
Thomson, Rutherford, and current scientists have different opinions of atoms.
b)
New empirical evidence leads scientists to modify existing models.
c)
Older models were based on opinions, whereas current models are based on facts.
d)
Thomson and Rutherford’s ideas were completely incorrect.
7.
Which is an example of repetition?
a)
1
b)
2
c)
3
d)
4
8.
Scientists use bar graphs to display information because _____________
a)
it is easy for people to compare results
b)
it is fun to make
c)
it is the the most accurate graph
d)
it is the easiest graph to make
9.
What skill is a scientist using when she listens to the sounds that whales makes?
a)
interpreting data
b)
drawing a conclusion
c)
making an observation
d)
making a hypothesis
10.
What could you measure with this tool?
a)
how tall a plant is
b)
how high you can jump
c)
how hot it is outside
d)
how long it takes your friend to run
11.
Fill in the blank:
150___2⁸
150___2⁸
a)
>
b)
<
12.
Change 3/4 to a decimal.
a)
0.75
b)
1.3
c)
7.5
d)
0.76̅̅
13.
Correct format for HYPOTHESIS in an experiment?
a)
Of... course
b)
I.... think
c)
If... then
d)
The... answer
14.
To measure the speed of a snail you need...
a)
beaker, flask, pipette
b)
stopwatch, ruler, calculator
c)
cylinder, scale, calculator
d)
stopwatch, hot plate, beaker
15.
If plants are exposed to sunlight, then they will grow taller.
What part of the scientific method is this an example of?
What part of the scientific method is this an example of?
a)
Procedure
b)
Hypothesis
c)
Question
d)
Results
16.
If a piece of equipment is not working properly, stop, turn it off, and tell
a)
your best friend in class.
b)
your lab partner
c)
the teacher.
d)
the principal.
17.
It is okay to pick up broken glass with your bare hands as long as the glass is placed in the trash can.
a)
True
b)
False
18.
The factors in an experiment that can be changed.
a)
variables
b)
quantitative data
c)
hypothesis
d)
steps
19.
This part of the experiment serves as a basis of comparison; the one variable being tested has been omitted.
a)
experimental group
b)
control group
c)
data
d)
variables
20.
Should experiments be repeated over and over to see if the results are the same each time?
a)
yes
b)
no
21.
How many centemeters are in meter
a)
100 centemiters
b)
10 melimeters
c)
1,000 meters
d)
10 centimeters
22.
Metric unit used to measure the amount of time.
a)
Liter
b)
Degree Celsius
c)
Second
d)
Gram
23.
Metric unit to measure the length of an object or distance.
a)
Meter
b)
Liter
c)
Degree Celsius
d)
Second
24.
Metric unit used to measure the amount of matter in an object.
a)
Meter
b)
Liter
c)
degree Celsius
d)
Gram
25.
Metric unit used to measure the space an object takes up.
a)
Meter
b)
Liter
c)
degree Celsius
d)
Second
26.
Investigators measure the temperature of a body found at crime scene.
a)
Meter
b)
Liter
c)
degree Celsius
d)
Second
27.
Cam performs an experiment using the lab equipment shown. What 2 properties is Cam MOST LIKELY measuring?
a)
mass and volume
b)
volume and temperature
c)
mass and temperature
d)
length and mass
28.
Which lists metric units, in order, from smallest to largest?
a)
milligram, centigram, gram
b)
kilogram, gram, centigram
c)
decagram, hectogram, milligram
d)
kilogram, hectogram, decagram
29.
Which is the longest?
a)
meter
b)
kilometer
c)
centimeter
d)
milimeter
30.
What would you use to measure the liquid in a coffee cup?
a)
liter
b)
mililiter
c)
gallon
31.
What is the abbreviation for milliliters?
a)
ML
b)
Ml
c)
mL
d)
ml
32.
What is the length of the screw?
a)
5cm
b)
6cm
c)
5mm
d)
6m
33.
What does the volume of liquid measure in this cylinder?
a)
15 liters
b)
10 meters
c)
15 mililiters
d)
25 mililiters
34.
The diagram shows a graduated cylinder containing water. From which position will the most accurate measure of the volume of water be made?
a)
Position 1
b)
Position 2
c)
Position 3
d)
Position 4
35.
What is the volume of the two red beads?
a)
2.4 cm3
b)
4 cm3
c)
6 cm3
d)
2 cm3
36.
A graduated cylinder is used to measure the __________ of a liquid.
a)
temperature
b)
mass
c)
volume
d)
length
37.
What is the length of the object in centimeters?
a)
3.4 cm
b)
4.3 cm
c)
3.5 cm
d)
1 1/4 inches
38.
What is the volume of the liquid in this graduated cylinder?
a)
19 mL
b)
35 mL
c)
24 mL
d)
1.9 mL
39.
Standard measurement system based on the number 10
a)
Metric System
b)
International System of Units (SI)
c)
Density
d)
Weight
40.
A scale model of the planet Mercury is shown. Based on the scale, which of the following is the most accurate diameter of Mercury?
a)
1,000
b)
5,000
c)
50,000
d)
500,000
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