Scientific Method 1
Educated guess, testable explanation
In an experiment, you think that students who drink coffee are able to Dougie better than those who do not. What is the Independent Variable?
Drinking coffee.
In the penny lab, what type of water increased the surface tension?
Tap water.
Which Characteristics of Life were seen in the penny lab?
None!!!
What type of reproduction would take place in a sponge (Hint: only 1 parent is needed)?
This is the second step of the Scientific Method.
Research if needed.
If soapy water is added, then drops on a penny (surface tension) will increase. What is the Dependent Variable?
Surface Tension (drops on a penny).
In the yeast lab, what cup had the sugar added after 10 min.?
Cup B
The bell rings in class and students get up to leave. What Characteristic of Life would that illustrate?
Response to Stimuli
Maintaining constant glucose levels would represent what Char of Life?
Homeostasis
After you have written your hypothesis, what is the next step?
Test it; experimentation
Some people have made the claim that adding honey to tea gets rid of a sore throat. Write a hypothesis...
If honey is added to tea, the people's sore throat will be healed.
In the yeast lab, what was the control group?
Cup B/ Sugar added later...
The genes of a population of white tailed deer change over millions of years. What Char of Life would that represent?
Adaptation/Evolution
Humans have approx. 400 trillion cells. What Char of Life would that best link with?
Organization
The steps of the Scientific Method need to be followed in order?
Nope!
If soapy water is added, then surface tension will increase. What would be the control group?
Tap water drops on a penny.
What is surface tension?
Water's ability to stick on each other--creating more drops on a penny.
True or False: In order for something to be living, all of the Char of Life have to be correct.
True
All cells come from _______ cells.
Preexisting
What step occurs after testing your hypothesis?
Collecting data.
If soapy water is added, then surface tension will increase. What would be the experimental group?
Soapy water added to drops on a penny.
CO2
A baby elephant being born would be an example of what Char of Life?
Reproduction
Yeast cells using sugar to break down to live would be an example of what Char of Life?
Energy/Metabolism