Experiments
What is a independent variable?
A variable that is changed by the experimenters
Ex: y = 4x <- x is independent
A microscope is an example of what?
A tool
How many laws of motion did Newton discover?
3
What is an organ transplant?
When an organ (often damaged or diseased) is replaced by a donor’s healthy organ
What is 10% as a fraction?
1/10
What is a dependent variable?
A variable affected by the changes of the independent variable
Ex: y = 4x
^
Y is the dependent variable
What does a barometer measure?
Air pressure
Are Newton’s laws 100% correct?
No - in extreme unusual regions, these laws do not apply or require more refining to be correct
Is nuclear fusion energy currently commercially viable?
No – Many improvements are required
What is 25% of 300?
75
What is a control group?
A group in an experiment that isn’t tested on
JWST is an example of what kind of tool?
A telescope
What are Mendelian genetics?
The basic principles of inherited traits
What is a positive example of genetic engineering in plants?
Ex: CRISPR
What is the equation for mechanical advantage?
Output force/input force
What is a constant?
A variable of condition that is kept the same always
How does a telescope enhance human ability?
It allows us to zoom in and see very far away things
What are the 3 principles of Mendelian genetics?
The Law of Dominance, the Law of Segregation, and the Law of Independent Assortment
What tech was used to predict protein folding?
AI
What is the density of water? (in grams/cu.centimeter)
About 1 gram/cu. centimeter
How might a bias affect the credibility of experiment info?
It can cause inaccurate conclusions by adding or ignoring data
What does a micrometer do?
It measures extremely tiny lengths
What is the third law of motion?
For every action, there is an equal and opposite reaction
Why are supersonic commercial planes banned in most areas?
Because of sonic booms which can break windows and make people deaf
How much oxygen is in the air? (in ppm)
Approximately 209,500 ppm or 20.95%