Problems
Hypothesis
Variables
What's Next
Grab Bag
100
Jim likes to listen to music at school. His teachers say it's distracting. What is the problem?
Does listening to music distract Jim at school?
100
How should a hypothesis always be written?
If/Then Statement
100
This is something that remains the same in all parts of your experiment. Some common examples may be temperature, amount of food, and time. There may be one or many in your experiment.
Constant Variable
100
What do you do after you decide on a problem/ ask a question?
Research
100
What is another word for an educated guess?
Hypothesis
200
Jenna is trying to save money on electricity. She is told that replacing her bulbs with low energy bulbs would decrease her costs. What is the problem?
Will replacing her bulbs with low energy bulbs, lower her bill?
200
Write a hypothesis based on the statement: Doing jumping jacks daily supports heart health
If I do jumping jacks daily, my heart will become healthier.
200
This can be a variable or a group. It does not get the special treatment and is often the opposite of the independent variable.
Control Variable
200
After you write you hypothesis, you are ready to...
Plan and conduct your experiment
200
What was the name of the huge continent that was formed before they all split apart?
Pangea
300
What is wrong with the following problem: Drinking after friends increases your risk of illness.
It should be presented as a question.
300
Write a hypothesis for the following statement: Playing sports has shown to increase school spirit.
If a student plays sports, then they will have increased school spirit.
300
Identify the independent variable: If you swallow gum, then you may be greater risk for ulcers.
Swallowing gum
300
Even the best conducted experiment has no meaning unless you___________________ after you come to your conclusion
Communicate Results
300
This cell organelle is the brain of the cell.
Nucleus
400
Look at the following hypothesis. If you think it needs to be rewritten, fix it to make it correct. If not, just write the word correct on your board. If you have increased cavities, then its because you don't brush your teeth.
If you don't brush your teeth, then you will have increased cavities.
400
Write a hypothesis for the following problem: Does second hand smoke effect brain cell development in children?
If children are exposed to second hand smoke, then their brain cell development could be effected.
400
Identify the dependent variable: If you swallow gum, then you may be greater risk for ulcers.
risk of ulcers
400
If your hypothesis is rejected, what must you do?
New hypothesis New Experiment/Re-test
400
Cloning is an example of __________ reproduction.
Asexual
500
Identify the problem using the students hypothesis. If there are more fish present in the lake, then the lake is becoming less polluted.
Is pollution still effecting the lake?
500
Jen is hired by the city to investigate the migration of geese. Lately more and more geese seem to be flocking to the city, which is unusual for the area. List a hypothesis Jen and her crew may have come up with for the recent geese migration.
Answers may vary. Example: If more geese are flocking to the area, then we can conclude that global warming is effecting our climate.
500
write a hypothesis and label the I.V., D.V., and tell what you would use for the control group. Cara is planting a garden. She wants to know which fertilizer will help plants grow better. She purchases miracle grow, pots a lot, and uses just plain soil on the third plant.
If she uses fertilizer(IV), then her plants will grow better(DV). Control: plain soil
500
How many steps are in the scientific method?
There is no set number. Different people use altered versions. As you are going through, you may have to redo steps or combine steps to fit your purposes.
500
What is the following equation depicting? CO2 + H2O ==Sun energy==Chlorophyll== C6H12O6 + O2
Photosynthesis
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