WorksheetsScientific Investigations Review
Total questions: 23
Worksheet time: 57mins
Name
Class
Date
1.
When working in the laboratory, what pieces of safety equipment should a scientist always use?
a)
Fire Blanket and Eye Wash
b)
Goggles and Lab Apron
c)
Fire Extinguisher and Safety Shower
d)
Gloves and Eye Wash
2.
Which of the following is the safest way for a scientist to remove a beaker of water from a hot plate?
a)
Remove the beaker using a test tube holder.
b)
Wrap the beaker in paper towels.
c)
Use heat-proof gloves to remove the beaker.
d)
Use regular gloves to remove the beaker.
3.
What is the volume of the liquid in the graduated cylinder?
a)
40 mL
b)
43 mL
c)
45 mL
d)
46 mL
4.
When water is placed in a graduated cylinder it bends and forms a meniscus. What is the best way to read the volume of a liquid in a meniscus?
a)
Read the top of the meniscus
b)
Read the bottom of the meniscus
c)
Read the middle of the meniscus
d)
Tilt the graduated cylinder and read the volume
5.
A student wanted to know if the type of water affected how tall seedlings grew. The student plans to measure the height of seedlings everyday for 3 weeks. Which of the following is the best unit for the student to measure the height of the seedlings?
a)
Millimeters
b)
Centimeters
c)
Meters
d)
Kilometers
6.
What is an example of qualitative data?
a)
The grey elephant has 2 ears
b)
The elephant has rough feeling skin
c)
The elephant can make a noise up to 2 decibles
d)
The elephant is 10 years old
7.
What is an example of quantitative data?
a)
The book had 498 pages
b)
The book is fiction
c)
The book had a happy ending
d)
The book had 3 main characters
8.
What is the length of the screw?
a)
4 cm
b)
5 cm
c)
5.1 cm
d)
6 cm
9.
What is always kept the same during an experiment?
a)
Independent Variables
b)
Dependent Variables
c)
Manipulated Variables
d)
Constant Variables
10.
When creating an experiment or investigation it is always important to do which of the following?
a)
Change all of the variables
b)
Only change one variable and keep everything else the same.
c)
Not including any controls or constants.
d)
Testing 2 variables at the same time.
11.
What is happening to the temperature in New York City?
a)
It is remaining about the same.
b)
It is mostly decreasing.
c)
It is mostly increasing.
d)
There is not enough information in the graph.
12.
The hypothesis best supported by this graph is that these beetles are most active when the area is--
a)
free from predators
b)
coolest with some sunlight
c)
wettest from dew at 6am
d)
richest in oxygen supplies
13.
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
14.
Look at the way the sea otter population changed from 1940 until 2000. If this trend continues, what do you think the population of sea otters was in 2010?
a)
Less than 20 otters
b)
More than 57 otters
c)
Between 40 - 50 otters
d)
Exactly 22 otters
15.
What can you infer about the temperature for E.coli bacterial growth?
a)
E. coli does not grow well at low and high temperatures.
b)
E coli will continue to grow at very high temperatures.
c)
E.coli grows best at very low temperatures
d)
E.coli grows best at very high temperatures.
16.
A student is conducting an investigation to determine the effect of temperature on the amount of sugar that dissolves in a beaker of water. Which of the following does not need to be included in a data table?
a)
Constants
b)
Independent Variable
c)
Dependent Variable
d)
Number Scale
17.
A student used water displacement to determine the volume of the object. What is the volume of the object?
a)
10 mL
b)
30 mL
c)
40 mL
d)
70 mL
18.
What is the name of the tool pictured?
a)
Beaker
b)
Meter Stick
c)
Graduated Cylinder
d)
Test Tube
19.
A student wants to measure 54 mL of a liquid. Which of the following is the best tool for the student to use?
a)
Dropper
b)
Test Tube
c)
Graduated Cylinder
d)
Beaker
20.
If the mass of each apple is 100 grams what is the mass of the orange?
a)
100 grams
b)
500 grams
c)
1,000 grams
d)
1,500 grams
21.
A student conducted an investigation in which he exposed plants to different temperatures. Which of the following is the best hypothesis for the student's investigation?
a)
Plants need temperature to survive.
b)
Plants grow best in warm temperatures than in cold temperatures.
c)
Plants need water to grow.
d)
Plants grow best in a warm environment.
22.
What is the length of the block pictured?
a)
1 cm
b)
3 1/2 cm
c)
4 cm
d)
4 1/2 cm
23.
A student recorded the temperature of a mixture before and after adding salt. The start and final temperature are shown. What was the change in temperature of the mixture?
a)
2°C
b)
2°F
c)
3°C
d)
3°F
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