WorksheetsIntroduction Unit Review
Total questions: 20
Worksheet time: 11mins
Which of the following are related to the hypothesis in an experiment? Check all that apply.
Predicts the outcome of an experiment
If....then statement
How the independent variable effects the dependent variable
Developed once the question of the experiment is established.
Statements that forecast what could possibly happen in the future based on observations, experiences, or reasoning.
Observation
Inference
Prediction
Which of the following is not an inference?
The sky is getting cloudy.
The cat is closing its eyes so it must be sleepy.
Mrs. Penn is yawning, she probably stayed up late making this quizizz.
The students must be getting in trouble becasue the bus is pulled over on the side of the road.
Living things are based on a universal geneticcode. What molecule is responsible for that code?
Carbohydrate
DNA
Starch
Lipid
The independent variable is the one being manipulated or changed during the experiment. It is always placed on the ___________. Check all that apply.
x axis
y axis
vertical axis
horizontal axis
What type of graph is being displayed?
Bar graph
Line graph
Histogram
Pie graph
What is the dependent variable on the graph displayed?
S. aureus
E. coli
Amount of time bacteria were exposed to UV
Number of mutant bacterial cells
People who have Type 1 Diabetes don’t make enough insulin. What effect would this have on their blood glucose level?
Glucose level decreases
Glucose level stays the same
Glucose level increases
To be healthy, organisms must maintain a “dynamic equilibrium” or “steady state”, which keeps their internal environment balanced within normal limits. Failure to maintain this equilibrium may result in disease or death. What is this "steady state" or "dynamic equilibrium" known as?
Response
Stimulus
Homeostasis
Global warming
What is the following diagram an example of based on homeostasis?
Lock and Key Model
Transcription and Translation
Feedback Loop
Water Cycle
A student is excitedly telling their friend their plans for the weekend, and is not listening to the teacher’s lab instructions. During the lab, the student mixes two of the wrong chemicals together and an uncontrolled chemical reaction occurs. What precaution should this student have taken? Check all that apply.
Listen to instructions carefully before starting the lab.
Check her cell phone for any missed calls prior to starting the lab.
Read all labels of chemicals and double check instructions prior to mixing.
Check to see what the group next to them are doing and follow their lead.
Nine months after a women gets pregnant, she will give birth to a beautiful baby boy or girl.
growth and development
energy metabolism
response to stimuli
having cells
Which of the following can be found in the results section of a lab report?
Hypothesis and Conclusion
Conclusion and Graphs
Data Tables and Graphs
Hypothesis and Data Tables
How would you describe the control in an experiment?
An educated guess based on no experimentation data at all
Things that are not part of the experiment but are kept constant
The experimental group that is used to collect data
Things that are kept the same in an experiment and are not used for comparison
A change in the environment is the stimulus; the reaction of the organism to it is the response. What is the stimulus in the picture?
Grow light
Plant growth
Dirt
Flower Pot
What is the definition of Biology?
The study of chemicals.
The study of fossils.
The study of rocks.
The study of life.
What is the effect of salt water on the average of the height of the 3 tallest blades of grass?What is the independent variable in the above question?
average
height
salt water
effect
The student studied 1 hour daily for an entire week. The student will pass the test with an A.
Observation
Inference
Prediciton
If you drink coffee before going to bed, then it will take longer to fall asleep
Hypothesis
Problem
Experiment
Question
During an experiment, when would it be important to notify your teacher?
When glass is chipped or broken
If your hair or shirt catches on fire
When brain matter has been flicked into your eye
Notify the teacher under all of these circumstances
