Famous Scientists
this scientist noticed canals on Mars' surface that he thought were aliens digging tunnels
Who is Percival Lowell
Which ancient group of people invented papyrus
Egyptians. They were known for TECHNOLOGY
What is an example that contradicts a conclusion
a counter example
What is a control
variable or part of the experiment to which all others will be compared
Suppose you use a block and tackle system with 3 pulleys that work together. What is the Mechanical advantage?
3
This scientist studied how traits are passed on during reproduction
who is Gregor Mendel
These people wanted to find a means by which lead or another inexpensive substance could be turned into gold
who were the alchemists
What is one thing science can prove
NOTHING!!!!!!!!!!!!!!!!!!
What is a hypothesis that has been tested with a significant amount of data
Theory
If the MA is 2 for a block and tackle and you want to lift an object 5 feet in the air, how many feet of rope will you have to pull
10 feet (2 times as much rope
this scientist championed the heliocentric system and wrote a book about it (not the scientist who was forced to recant his beliefs)
who is Copernicus.
If a highly respected, intelligent person concludes that the earth is indeed round, do we believe him because he says that it is true
no
In the scientific method, first you make observations, then form a hypothesis, perform experiments to confirm the hypothesis (over many years sometimes)
Form a theory
Should you use the syllabus or Canvas as the go-to place to find all or your homework and updates
CANVAS!!!!!!!!!!!!!!
What is the formula for an inclined plane
length of slope / height
What are 2 things that Isaac Newton is known for
laws of motion, universal law of gravity, invented calculus, BIble commentaries, showed white light is made of many colors, completely redesigned the telescope.
What is the idea that living organisms can be miraculously formed from non-living substances
spontaneous generation
In a vacuum, would a feather or a baseball fall faster
Neither or both-fall at same rate in a vacuum (absence of air)
What are experiments in which neither the participants nor the people analyzing the data know who is in the control group
double-blind
If the MA is 10 for a first class lever, what does the MA do
In first class levers, the MA magnifies the force
this scientist said energy comes in small packets called “quanta”
Max Planck
This person wrote a book called On the Origin of the Species by Means of Natural Selection or the Preservation of Favoured Races in the Struggle for Life.
Who is Charles Darwin
Can science be used to study if Roblox negatively impacts kids’ brains
Yes, using the scientific method and you can study anything
what is the fake pill they give out in drug studies called?
placebos
In a first class lever, the fulcrum is 1 inch from the resistance and 10 inches from the effort. What is the MA
10/1 = 10 distance from fulcrum to effort / distance from fulcrum to resistance