Scientists
Who was Charles Darwin?
Father of evolution
What is density?
How tightly packed something is
What is a hypothesis?
Educated guess
Who was Imhotep?
Egyptian who pioneered medical discoveries
What is the density formula
Mass/volume
What did Thales do?
Explained movements of planets and stars - predicted solar eclipse
How did the egg float in water?
We added salt to the water - making the water more dense than the egg
What format does a hypothesis follow?
If _____ Then ______ Because ______
Control/controlled variable
Something that stays the same/doesn't change in an experiment
What did moldy bread release that cured wounds?
Penicillin
Who were the fathers of atomic theory?
Leucippus and Democritus
What was most absorbent? Cotton ball, paper towel, Kleenex
Cotton ball
What is the first step of the scientific method
Observation or question
Encyclopedias
Books with standard information
What step of the scientific method is this? My hypothesis is supported because _________
Conclusion
Who came up with spontaneous generation?
Aristotle
Why did the paper clip fall faster than the textbook?
Air resistance
What is an independent variable?
Something the scientist changes
Bohr model?
Niels Bohr created a model of the atom
I (the scientist) change sunlight amounts to see how it affects plant growth. Which kind of variable is this?
Independent variable
Who is credited with being the first scientist?
Robert Grosseteste
What did soap do to the pepper on water?
It repelled the water/pepper
What is a dependent variable?
Something the scientist measures
Law of Mass Conservation
Matter cannot be created or destroyed
I keep plant type the same in my experiment. Which kind of variable is this?
Control/controlled variable