Unit 1: Scientific Method and ID vs. DV variable
The first step of the Scientific Method is:
What is...Make an Observation
In an experiment, the researcher manipulates (changes) the:
What is...Independent Variable
________structures packages and moves proteins throughout the cell
What is...Golgi Apparatus
An organism that gets is energy from non-living sources is...
What is...A producer
A ___ is a change in the environment
What is... Stimulus
The second step of the Scientific Method is:
What is...form a hypothesis
How many independent variables should be in a well-designed experiment?
What is...1
Composed of many cells that may organize into tissues
What is...multicellular
Occurs in some bacteria and animal cells (like your muscles):
Lactic Acid Fermentation
In a positive feedback loop, the output of a system ___the response.
A. intensifies
B. Stabilizes
What is...Intensifies
The fourth step of the Scientific Method is:
Design an Experiment
Jack wants to know if not drinking a soda every day will improve his next dental check-up.
What is the DEPENDENT variable?
What is...Dental Checkup
_______is the growth phase of the cell cycle:
What is...Interphase
When ATP is broken down, it ____ energy for the cell to use and becomes ADP and a phosphate
A. Adds
B. Releases
What is..Releases
The "normal group" or the group that provides the standard for comparison
What is...Control Group
The fifth step of the Scientific Method is:
Analyze data/Draw a Conclusion
LaTonya wants to see if Fertilizer affects the size of tomatoes.
What is the Independent Variable?
What is...Fertilizer
Which of the following is NOT part of the cell theory?
All living things are made of cells
Cells are the basic units of life
Almost all living things are made up of cells
All cells cells come from other cells
What is...#3
What is the formula for photosynthesis?
6H2O +6 CO2 --> C6H12O6 + 6O2
List the stages of mitosis in correct order (start to finish)
Prophase, Metaphase, Anaphase, Telophase
The third step of the Scientific Method is:
Make a prediction
Angel wants to know if the weight of her prize pig will affect the number of piglets in the litter.
What is the IV and DV?
What is...IV=weight of pig. DV=Litter Size
The picture below shows a cell swelling. This is an example of a _____solution
What is...Hypotonic Solution
Absorbs energy (in the form of heat or light)
Hint: enter/exit
What is...Endothermic
Draw a food chain and label the producer and tertiary consumer
Up for debate!