Vocabulary
Internal Environment: ________________________ the cells, organs, or body
Inside
Should you start an experiment or begin a lab without the teacher in the room?
No
What was the age of the marathon runner we were focusing on?
40 years old
Scientific Method: A series of _______ used by scientists to solve a problem or answer a question.
Steps
What is happening to the body during extended exercise?
Sweaty, Body aches, Fast heart beat, etc
External Environment: ________________________ the cells, organs, or body
Outside
What should you avoid wearing when it is a lab day?
Dangling Jewelry, Loose Clothing, sandals in the lab
What was the gender of the marathon runner we were focusing on?
Female
What is the first step in the scientific method?
Observation / Asking a question
What is science?
“Science” is simply a logical way of thinking about the world.
Data: facts and statistics _____________________ together for reference or analysis.
Collected
What do you do if you find a test tube that is broken or creaked?
Tell the teacher!
How long did the marathon runner we were focusing on run for?
6 hours 35 mins
This group is left alone and not experimented on.
Controlled Group
Why may we breathe faster when we exercise?
Your heart and lungs work together to make sure every cell in your body gets enough oxygen.
Our cells are working harder, because they need more oxygen. They produce more carbon dioxide.
Your heart beats quickly so the blood can carry oxygen to your cells faster.
Equilibrium: the state in which all forces acting on the body are ______________________________
Balanced
Name a food rule for the science lab
No eating, drinking, or chewing gum in the science lab
How much did the marathon runner we were focusing on weigh?
160 lbs (pounds)
This group shows the effect of the variable being tested.
Experimental Group
What is the last step in the scientific method?
Draw Conclusions
Homeostasis: A process by which an organism maintains ______________________ while adjusting to conditions that are best for its survival.
Stability
Should you consider all chemicals dangerous?
YES
What happened to the marathon runner we were focusing after the race?
A company wants to test a new cleanser that is supposed to help clear skin.
Which is the independent variable?
New Cleanser
What is the second step in the Scientific Method?
Form a Hypothesis