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WorksheetsHow do scientists work together to solve problems?
Total questions: 53
Worksheet time: 1hrs 1mins
Name
Class
Date
1.
Approved eye protection devices (such as goggles) are worn in the laboratory
a)
to improve vision
b)
only if you don't wear glasses
c)
anytime heat, chemicals, or glassware are used
d)
to avoid eye strain
2.
If you do not understand a direction or part of a lab procedure, you should
a)
figure it out as you do the lab
b)
try several methods until something works
c)
skip it and go to the next part
d)
ask your teacher
3.
After completing an experiment, all chemical wastes should be
a)
dumped down sink
b)
taken home
c)
thrown in trash
d)
disposed of according to teacher's directions
4.
You are heating a substance in a test tube. Always point the open end of the tube
a)
towards your body
b)
toward your lab partner
c)
towards another classmate
d)
away from all people
5.
You have been injured in the laboratory (cut, burn, etc.). First you should
a)
visit school nurse
b)
text your parent
c)
see a doctor after school
d)
tell teacher immediatly
6.
Report any accident or injury to the teacher _______________, no matter how small it may appear
a)
at the end of the period
b)
immediately
c)
eventually
d)
after you get the situation under control
7.
The proper technique for smelling chemicals is ______________
a)
keeping your nose close to the glassware
b)
wafting
c)
to sniff only a small amount
d)
Trick question; you never are allowed to smell chemicals in class
8.
If you break a glass container during lab, you should ___________________
a)
clean it up immediately
b)
yell "Code One" and let your teacher clean it up
c)
alert your lab partners and other groups near you and tell your teacher
d)
leave it and tell your teacher after the lab is completed
9.
Any time chemicals, heat, loose particles, or glassware are used, all students will wear _______________. There will be no exceptions to this rule.
a)
gloves
b)
long-sleeve shirts
c)
all safety equipment available
d)
laboratory goggles
10.
Dress properly during lab activities; ________________________ are hazards in the lab
a)
Long hair, dangling jewelry, and lose or baggy clothing
b)
Electricity, machines, and live animals
c)
Glasses and contact lenses
d)
long-sleeved shirts and long pants
11.
Follow all ________________ instructions and directions carefully.
a)
written
b)
verbal
c)
silly
d)
written and verbal
12.
Perform only ______________________
a)
safe experiments
b)
experiments authorized by your teacher
c)
if you are a good actor
d)
experiments that cause FIRE!!!
13.
Know the ________________ all safety equipment including first aid kit, fire extinguisher, and eye-wash station
a)
manufacturer
b)
location and how to operate
c)
expiration date for
d)
materials used in
14.
What is measured with a graduated cylinder?
a)
Passage of time
b)
Distance from one thing to another
c)
Weight of an object
d)
Volume of liquid
15.
What is this?
a)
Measuring tube
b)
Test tube
c)
Graduated Cylinder
d)
Pipette
16.
The _________________ is used to simply hold or approximately measure a liquid.
a)
scale
b)
test tube
c)
beaker
d)
thermometer
17.
a)
hot plate
b)
electronic balance
c)
bunsen burner
d)
scales
18.
Convert 0.25 m to mm
a)
25mm
b)
2.5mm
c)
250mm
d)
0.025mm
19.
convert 9 km to mm
a)
900,000mm
b)
9,000,000mm
c)
9,000mm
d)
90,000mm
20.
What would be the best unit of measurement to measure the length of a toothbrush?
a)
millimeters
b)
meters
c)
centimeters
d)
kilometers
21.
What units do we use to measure mass?
a)
milliliters (mL)
b)
liters (L)
c)
centimeters (cm)
d)
grams (g)
22.
What metric unit would be used to measure the length of a pencil?
a)
inches
b)
centimeters
c)
feet
d)
meters
23.
What would you use to weigh a large dog?
a)
gram
b)
centimeter
c)
cup
d)
kilogram
24.
What would you use to measure the amount of liquid medicine to give a child?
a)
liter
b)
cup
c)
milliliter
d)
gallon
25.
The metric unit of measurement for volume is:
a)
Meter
b)
Gram
c)
Liter
d)
Pounds
26.
The metric unit of measurement for length is the:
a)
gram
b)
liter
c)
meter
d)
cm
27.
In the design world, limitations are known as:
a)
constraints
b)
criteria
c)
iterations
d)
data
28.
Coming up with multiple ideas and evaluating all ideas to determine the best possible solution is known as:
a)
the iterative method
b)
constraints
c)
brainstorming
d)
criteria referencing
29.
It is important when brainstorming to:
a)
Limit your ideas to what is "real"
b)
Come up with as many ideas as possible
c)
Gravitate to a few ideas
d)
Keep it brief in time
30.
When generating a solution, a designer creates either a model or a ________________.
a)
drawing
b)
report
c)
design brief
d)
prototype
31.
A team of engineers is asked to design a scooter for less than $20. They decide that they will only use recycled materials. Which of the following is the team’s constraint?
a)
designed to appeal to children
b)
made out of recycled materials
c)
cost less than $20 to produce
32.
When finding the solution to an engineering design problem, there is/are usually
a)
only one possible correct solution
b)
a very limited number of possible correct solutions
c)
many possible correct solutions
33.
In engineering, the Design Process begins when
a)
an engineer gathers information about an existing product
b)
a design team comes up with ideas for a new product
c)
an engineer identifies the need for a solution to a problem
34.
What effect does an increase in temperature have on the decaying process of apples?
a)
independent
b)
dependent
35.
Does the flavor of ice cream effect how fast the ice cream melts?
a)
independent
b)
dependent
36.
Does the type of shoe worn during a 30 meter dash affect the speed of the runner?
a)
independent
b)
dependent
37.
How does watching TV during studying affect a student’s test grades?
a)
independent
b)
dependent
38.
Does changing the scent of a brand of dog food affect how much the dog eats?
a)
independent
b)
dependent
39.
Do roses grow more in height in partial or direct sunlight?
a)
independent
b)
dependent
40.
Using the same amount of water, how does the pot size affect the amount of time it takes to boil water?
a)
independent
b)
dependent
41.
An experiment for a new asthma medication was set up into two groups. Group one was given the new drug for asthma, while group 2 was not given anything. The group not given anything serves as a
a)
control
b)
dependent variable
c)
experimental variable
d)
constant
42.
A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.
a)
Diameter of the ball
b)
Force acting on the ball
c)
Height that the ball bounces
d)
Height from which the ball is dropped
43.
When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. The fact that we kept the light, plant, and water the same in each experiment are examples of ____________.
a)
an dependent variable
b)
an independent variable
c)
a control
d)
constants
44.
What do you call the factors in the experiment that you keep the same in each trial?
a)
Controlled Variables
b)
Dependent Variables
c)
Independent Variables
d)
Graphs
45.
Why do we use graphs?
a)
Too add more work
b)
To visualize the data
c)
To help determine which variable is which
d)
To measure the results
46.
Sandy wants to determine which depth of water produces the biggest flowers. Which graph would best display her data?
a)
Bar Graph
b)
Line Graph
c)
Pie Graph
47.
Spongebob washed one pair of pants with Clean-O and one pair in his normal soap. The Clean-O pants did not appear cleaner. What question was Spongebob investigating?
a)
Will washing pants make them cleaner?
b)
Are the pants cleaner?
c)
Does Clean-O work better than my other detergent?
d)
Will my pants get cleaner using Clean-O than with my normal detergent?
48.
Based on the graph, what is the dependent variable being recorded?
a)
Day
b)
Degees in Fahrenheit
49.
The summary at the end of an experiment that explains the results.
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
50.
On what axis should the independent variable always be?
a)
X
b)
Y
51.
How many variables can be tested in a controlled experiment?
a)
one
b)
two
c)
three
d)
as many as possible
52.
What is the group in an experiment that receives treatment with the independent variable?
a)
control group
b)
experimental group
c)
constant group
d)
variation group
53.
The chart below summarizes the effect of commercial fishing on a local Atlantic cod population over an 9-year period.
a)
the number of fishing boats has less effect on the local cod population than pollution
b)
more fishing boats make the cod population estimates more accurate
c)
an increase in fishing boats has had a positive impact on cod population growth
d)
commercial fishing is having a negative effect on the local cod population
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