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Worksheets1.5 Unit One Exam
Total questions: 192
Worksheet time: 3hrs 31mins
When it comes to glassware...
don't use it if it's chipped/cracked
don't pick it up if it breaks (let the teacher do it)
dispose of it in the correct container
all of the above
Never work without...
good music
a buddy
adult supervision
a snack
During lab, what do you do first?
read all directions
wash your hands
gather your materials
get the fire extinguisher
Eating, drinking, or chewing gum in the experimental work area is...
okay, as long as you share
allowed once you've cleaned up
encouraged
forbidden
Should make-up be applied during lab?
No, the goggles cover your eyes anyway
No, you should keep things away from your face, eyes, and mouth when using chemicals/specimens in lab
Yes, when you look good, you feel good
Yes, it's another barrier to protect you from chemicals
When are you allowed to remove lab safety equipment?
when your group is done
when the goggles start fogging up
when most of the groups are done
when directed by the teacher
Emergency equipment in our classroom includes:
eyewash fountain
safety shower
fire extinguisher
All of the above
If there is an accident, injury, or close call, who should you tell immediately?
your teacher
your parents
your lab partner
no one
When preparing for lab, you should...
leave your long hair down
wear baggy clothes
wear closed-toe shoes
watch the Marvel movies so you know what superpowers to expect if you mess anything up
When observing chemicals...
taste them
waft odors toward you
directly inhale them
lick them
Never leave ___ unattended.
a dissected pig
a test tube
an active heat source
a freshman
Hot glassware (and many other lab materials) looks the same as...
the sun
mercury
metal
cold glassware
If chemicals comes in contact with your skin or eyes, you should rinse the area water for ___________ minutes.
10
5
15
2
If you do not understand a direction or part of a lab procedure, you should
figure it out as you do the lab
try several methods until something works
ask the instructor before proceeding
skip it and go on to the next part
If an acid is splashed on your skin, wash at once with
soap
oil
another, weaker acid
plenty of water
( Fill in the blank) Long hair should be ____________ in the laboratory.
tied back
cut
down
curled
(True or False) Horse playing is allowed in the laboratory
true
false
Your safety is the responsibility of
the teacher
your classmates
You and everyone
Use only tools that are sharp and in good condition.
What should be done with long hair in lab?
Cut off.
Combed nicely.
Held back with both hands.
Pulled away from the face with a rubber band.
When in lab, all loose clothing and jewelry should be:
Left on.
Removed or secured.
Made of non-flammable materials.
Left hanging loose.
If glass breaks in the lab, what should you do first?
Tell the teacher.
Clean it up at once.
Keep working.
Clean it up after class.
If an acid gets on your skin, what should you wash it with?
Water only.
Soap only.
Soap and water.
A basic solution.
Laboratory aprons are for:
Tucking your hair back.
Wiping your hands on.
When you wear your best clothes.
Protecting you and your clothes.
To put out a fire on someone's clothes you would use a:
Fire blanket
Fire extinguisher
Which type of shoes should be worn in lab?
Shoes to match the season.
Close toed shoes.
Flip flops.
Shoes with no back.
Goggles are to be worn in lab to:
Protect your eyes.
Increase your vision.
Make you look cool.
Only protect eyes from flames.
What should you do once the lab experiment is complete?
Clean up your station.
Put up materials.
Wash your hands.
All of the above.
If using a test tube, the open end should point towards:
Yourself
No one.
Your partner.
The teacher.
When smelling a liquid you should:
Pour it on the table.
Waft.
Inhale deeply.
Ask your partner to smell it.
A broken beaker should be:
Placed in glass disposal.
Cleaned better.
Left in the cabinet and not used.
Used carefully.
Science is:
The study of natural phenomena
A process of observation, measurement, and testing
Based on opinion
Can be used to predict outcomes
Science can be based on models that are:
physical
mathematical
Conceptual
Emotional
Scientific knowledge is fixed and unchanging (True/False)
(a)
Science should be: (2)
Impartial
Objective
Subject to opinion
Whatever you want it to be
What is true of inductive reasoning?
it moves from specific observation to broad generalization and theory
It moves from broad generalization to specific observation
It is also called a hypothesis
It's a better method than deductive reasoning
What is true of deductive reasoning?
It works from general to specific
It works from specific to general
It is useless in a criminal setting
It is better than inductive reasoning
The process of creating a hypothesis and an experiment to test the hypothesis is called the:
(a)
The scientific method is:
An established method of research and discovery
A multi-step process to collect and evaluate information
Not used in the criminal justice system
Always right the first time
Science is always linear and straightforward (T/F)
(a)
The scientific method sometimes skips or repeats steps, or proceeds out of order, especially in criminal cases. (T/F)
(a)
Experimental design is:
The process of creating an experiment to test a hypothesis
Deciding if a criminal is guilty or innocent by scientific methods
Spontaneous
Planned and detailed
Managing variables is an important part of experimental design (T/F)
(a)
anything that can be changed or controlled in an experiment, and/or any changes that occur because of something else that changed
Variable
Hypothesis
Data
Observation
anything that can be changed or controlled in an experiment, and/or any changes that occur because of something else that changed
(a)
The independent variable:
Is the factor that changes between groups
Answers a question
Never changes
Is changed by the dependent variable
The independent variable:
Is the factor is observed
Causes something to change in the dependent variable
Never changes
Is changed by the dependent variable
The dependent variable:
Is the factor that is observed to see if it is affected by the independent variable
Causes something to change in the independent variable
Never changes
depends on the constant variable
The dependent variable:
Is the data that is typically collected in an experiment
Causes something to change in the independent variable
Is unaffected by the independent variable
depends on the constant variable
Controlled variables are also called the:
Constants
Independent
Dependent
Hypothesis
Unchanging variables are:
(a)
Recorded facts about what you see are:
Observations
Hypothesis
Data
Conclusions
The two types of observations are:
Questionable
Quantitative
Qualitative
Quaint
An observation that is measurable in a numerical form, with a unit, is:
Questionable
Quantitative
Qualitative
Quaint
An observation that is recorded in a descriptive form is:
Questionable
Quantitative
Qualitative
Quaint
An observation that is measurable in a numerical form, with a unit, is:
(a)
An observation that is recorded in a descriptive form is:
(a)
The conclusion comes before the data. (T/F)
(a)
Conclusions can prove or disprove the hypothesis. (T/F)
(a)
Scientists use the data and observations to form a/an:
Answer
Conclusion
Verdict
Decision
If new data becomes available, it is possible and acceptable that conclusions may change. (T/F)
(a)
It's okay to refuse to change your conclusions if the information changes, as science does not need to be impartial. (T/F)
(a)
What is the first step in the scientific method?
draw conclusions
ask a question/make an observation
make a hypothesis
test the experiment
The following is NOT a step in the scientific method.
collect data
share conclusions with others
make predictions
take conclusions
Which happens last?
make a hypothesis
ask a question/make an observation
make a plan
draw conclusions
To make observations you use your _______.
senses
feet
smile
experience
Performing a test or experiment allows you to test your ___________.
draw conclusions
hypothesis
senses
battery
If John was wanted to see what color of light plants grow under the best which of these would be a variable in the experiment.
The type of plant
Height of the plant
Color of the light the plant is in
How much water you give it
All of these answers
What is the DEPENDENT variable (effect) in this experiment?
"Does eating breakfast improve test score?"
eating breakfast or not
the grade you got on the test
what time you get up in the morning
how tasty the breakfast is
"Which type of medium is best for plant growth?"
"Do tall people jump further than short people?"
"Which type of metal, copper or aluminum, conducts heat faster?"
"Will fish school more if a predator is present?"
What is the independent variable?
What is the dependent variable?
This observation is...
This observation is...
What's the dependent variable?
If I add sliced garlic to my aquarium water, then my fish will eat a lot. The IV in this hypothesis is:
Adding garlic to the aquarium
The fish eating a lot
Convert 1800g to kg.
18 kg
1.8 kg
180 kg
0.18 kg
Which unit would you use to measure the length of your classroom?
metres
centimetres
kilometres
millimetres
What is 4cm in mm?
0.4
4
400
40
What is 4000g in kg?
400
40
0.4
4
190 km = ___m
190
190,000
19
19,000
What was the independent variable?
What was controlled?
What was the dependent variable?
Which of the following is a testable hypothesis?
A plant needs at least 5 hours of sunlight a day
Roses are more beautiful that violets
Science is the best subject ever
Ice cream is delicious
A hypothesis is a _____
definite answer to a given problem.
testable possible explanation of an observation.
proven statement.
concluding statement.
If it is snowing heavily, then school will be canceled.
If school is canceled, the big test will not be given today.
It is snowing heavily, then...
If the stereo is on, then the volume is loud.
If the volume of the stereo is loud, then the neighbors will complain.
If the sun is shining, then it is a beautiful day.
If it is a beautiful day, then we will have a picnic.
If Jason plays basketball, then Steve sits on the bench.
If Steve sits on the bench, then Ronald starts at center.
Determine if inductive or deductive reasoning is being used.
Blake knows that if there is a snow storm, then the roads will be slick.
The roads are slick.
Therefore, Blake concludes there was a snow storm.
Inductive
Deductive
What is a conjecture?
A statement that has been proven true.
An unproven statement based on observations.
A statement that has been proven false.
An unproven statement that is assumed false.
What can you conclude from this information?
"If you study, then you will pass the test. If you pass the test, then you will pass the course."
You did not study.
You did not pass the course.
If you study, then you will pass the course.
You passed the test.
The Giants have lost their last seven games. Thus, they will probably lose their next game.
What type of reasoning was used?
Inductive
Deductive
All students go to school. You are a student. Therefore you go to school.
What type of reasoning was used?
Inductive
Deductive
You see the numbers 2, 4, .... and decide the next number must be a 6
What type of reasoning was used?
Inductive
Deductive
In the first month of school, Ian is late every Monday so he will be late next Monday too.
What type of reasoning was used?
Inductive
Deductive
You have two apples and two oranges. You then have a total of four fruits.
What type of reasoning is used?
Inductive
Deductive
Since today is Friday, tomorrow will be Saturday.
What type of reasoning was used?
Inductive
Deductive
Since it rained every christmas day for the past four years it will rain on christmas day this year.
What type of reasoning was used?
Inductive
Deductive
A child examines ten tulips from a crop, all of them are red, and concludes that all tulips must be red.
What type of reasoning was used?
Inductive
Deductive
Oviparous animals are animals that lay their eggs, Clarke has a platypus. Clarke went to clean up her platypus' nest this morning and saw a pair of eggs, so she concluded that a platypus is an oviparous animal.
What type of reasoning was used?
Deductive
Inductive
Lee got A's on her first 6 math tests so she concludes she will always earn A's on math tests.
What type of reasoning was used?
Inductive
Deductive
Brian wears green every day so green must be his favorite color.
What type of reasoning was used?
Inductive
Deductive
Ms. Juana's birthday is on December 24th which means she was born in during a holiday.
What type of reasoning was used?
Inductive
Deductive
If it is Friday, then I will get paid.
It is Friday.
What is the conclusion?
Inductive or Deductive?
Inductive
Deductive
Is the reasoning Inductive or Deductive?
Inductive
Deductive
Inductive or Deductive?
Inductive
Deductive
Is this Inductive or Deductive reasoning?
Inductive
Deductive
Inductive or Deductive? You choose.
Inductive
Deductive
Is this Inductive or Deductive reasoning?
Inductive
Deductive
What does the Innocence Project use to exonerate falsely convicted individuals?
DNA
RNA
DNA & RNA
eyewitness testimony
Stress can enhance the brain's ability to construct accurate memories.
True
False
Expert witnesses in eyewitness identification can educate juries leading to a better and more fair evaluation of an eyewitness's testimony.
True
False
