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WorksheetsIntroduction to Biology
Total questions: 30
Worksheet time: 26mins
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. What type of variable is the fertilizer?
Dependent
Independent
Control
Compound
An experiment is performed on plants to see how different liquids affect plant growth. Each plant is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, and sunlight. The independent variable is ...
The type of plant
The amount of sunlight
The type of music
The type of liquid
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what is the dependent variable?
Type of plant
Water, apple juice, milk
Plant growth
Color of the plant's leaves
The variable that is being measured
independent variable
dependent variable
control variable
the variable that is changed by the scientist at the beginning of the experiment
independent variable
dependent variable
control variable
Which of the following best describes what the PURPOSE of a data table is?
A tool to organize data collected in an investigation or an experiment
a chart arranged in colums and rows
contains a title, independent variable, dependent variable and units of measurement if used
none of the above
Data that has to do with measurement, amount or numbers is
just data
qualitative data
quantitative data
hypothetical data
The flower is red. What type of data is this?
Qualitative data
Quantitative data
The volume of the beaker was 122 ml.
Qualitative data
Quantitative data
You should never ______ chemicals in the lab.
taste
touch
smell
all of the above
Keeping your work area neat and clean is important because:
My teacher is a neat-freak
I won't lose my supplies in the clutter.
It keeps the room from looking messy.
It helps prevent accidents.
What is the CORRECT procedure for students to follow if a chemical is spilled?
Stand back and advise the teacher of the spill.
Run madly out of the room.
Splash large amounts of water onto the spill.
Immediately ask to go to the restroom.
You should report accidents to the teacher __.
after the class is over
immediately
the following day
never
Bob and Lizzy are working in the lab. They are goofing off and break a glass test tube. Which rule did the break?
Know the location of the safety equipment.
Do not eat or drink in the lab.
Read instructions.
No playing around!
When you finish working with chemicals, biological specimens, and other lab substances, always
wipe your hands on your clothes
wipe your hands on a towel
wash your hands thoroughly with soap and water
treat your hands with skin lotion
What do you do with a hypothesis?
write a lab report
experiment
use it to make a prediction that can be tested
Complete the hypothesis: If I drink 4 cups of coffee then I will be nervous because
I don't know why
because caffeine is a stimulant
my sister told me so
my mom will yell at me
Is this formulaic approach a good start for a hypothesis?
"If _____[I do this] _____, then _____[this]_____ will happen."
Yes
No
How many variables can be tested in a controlled experiment?
one
two
three
as many as possible
Maria wants to know if birds prefer to eat in one place over another. She makes three feeders and paints all of them red. She fills each with birdseed, and plans to keep the feeders out for 10 days before measuring how much seed is eaten. She puts each of the feeders in a different location in her back yard. What is the controlled variable?
Location of bird feeder
Amount of birdseed eaten
Type of birdseed
What is this science tool?
temperature
weather vane
thermometer
balance scale
Which would be the best tool for measuring liquid for an experiment?
cup
bowl
spring scale
graduated cylinder
What is the name of this scientific tool?
Beaker
Graduated Cylinder
Thermometer
Triple Beam Balance
