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WorksheetsFirst Nine Weeks Test Review
Total questions: 35
Worksheet time: 19mins
If you do not understand a direction or part of a lab procedure, you should
Try several methods until something works.
Skip it and go on to the next part.
Figure it out as you do the lab.
Ask the instructor before proceeding.
If a laboratory fire erupts, immediately
Throw water on the fire.
Open the windows
Run for the fire extinguisher
Notify your instructor.
If a lab experiment is not completed, you should
Sneak in after school and work alone.
Discuss the issue with your teacher.
Come in during lunch and finish while you are eating.
Make up some test results.
You are heating a substance in a test tube. Always point the open end of the tube
Away from all people.
Toward another classmate
Toward your lab partner
Toward yourself.
When you finish working with chemicals, biological specimens, and other lab substances, always
Treat your hands with skin lotion
Wash your hands thoroughly with soap and water.
Wipe your hands on your clothes.
Wipe your hands on a towel.
You are heating a piece of glass and now you want to pick it up. You should
Use a rag or paper towels.
Pick up the end that looks cooler.
Pour cold water on it.
Use tongs.
The following footwear is best for the laboratory
Open-toed shoes
closed-toed shoes
Sandals
Shoes appropriate for the weather
If you wear contact lenses in the school laboratory,
Take them out before starting the lab
You do not have to wear protective goggles.
Keep the information to yourself
Advise your teacher that you wear contact lenses.
Personal eyeglasses provide as much protection as
Splash proof chemical goggles
Safety glasses
A face shield
None of the above
In a laboratory, the following should not be worn
Sandals
Dangling jewelry
Loose clothing
All of the above
After completing an experiment, all chemical wastes should be
Disposed of according to your teacher's instructions
Taken home
Dumped in the sink
Left at the lab station for the next class
Flammable materials, like alcohol, should never be used or dispensed near
An open door
An open flame
Another student
A sink
Horseplay or practical jokes in the laboratory are
Okay if you are working alone.
Always against the rules
Not dangerous
Okay
Long hair in the laboratory must be
Held away from the experiment with one hand
Cut short
Tied back or kept entirely out of the face with a holder
Always neatly groomed.
You have been injured in the lab (cut, burn, etc.). First you should
Visit the school nurse after class.
See a doctor after school
Tell your teacher at once
Apply first aid yourself
When gathering glassware and equipment for an experiment, you should
Examine all glassware to check for cracks or chips
Clean any glassware that appears dirty
Read all directions carefully to know what equipment is necessary
All of the above
If a piece of equipment is not working properly, stop, turn it off, and tell
Your best friend in class
The custodian
The science teacher
Your lab partner
Approved eye protection devices (such as goggles) are worn in the laboratory
To avoid eye strain
Only if you don't have corrective glasses
To improve your vision
Any time chemicals, heat or glassware are used.
Which of the following steps is not appropriate when transporting chemicals or glassware
Walk defensively
Keep elbows close to the body
Use both hands
Horseplay
Which of the following should not be used when handling broken glassware?
Protective gloves
Bare hands
Broom and dust pan
Broken glassware container
Classroom safety equipment includes all but which of the following?
Closed-toe shoes
Fire extinguisher
Eyewash station
Fire blanket
The function of a vacuole is to:
Synthesize protein
Package cell products
Control the cell
Store cell products and materials
Which organelle stores DNA, and serves as the cell's control center?
Ribosome
Vacuole
Nucleus
Golgi Complex
What is a difference between a prokaryote & eukaryote cell?
Prokaryotes do not have a membrane surrounding their DNA
Prokaryotes do not have genetic material (DNA)
Eukaryotes do not have cytoplasm
Prokaryotes do not have a cell wall
An observation -
uses senses to describe
uses background knowledge to answer
The mitochondria is the -
powerhouse of the cell
storage for the cell
transport system
boss - controls all activity
This is the rigid outer covering that gives a plant cell its shape and provides protection
cell membrane
mitochondria
chloroplast
cell wall
What does a graduated cylinder measure?
mass
length
liquid volume
temperature
Which cell structure is covered with ribosomes?
lysosome
Golgi body
mitochondria
endoplasmic reticulum
What does a metric ruler measure?
mass
length
volume
temperature
Who discovered and named cells while looking at cork?
Captain Hook
Robert Hooke
Matthais Schleiden
Rudolf Virchow
What was Schleiden convinced of?
All plants are made of cells
All animals are made of cells
All cells are prokaryotic
None of the above
Who noted that all animals are made of cells and helped write the first two parts of cell theory?
Rudolf Virchow
Anton van Leeuwenhoek
Theodor Schwann
Robert Hooke
Who discovered that all cells come from other living cells and had research that lead to the last major principle of cell theory?
Matthias Schleiden
Theodore Schwann
Robert Hooke
Rudolf Virchow
