Unit 1
What is the formula for velocity?
V= change in position/time
What is the definition of friction?
A force that opposes motion.
What is thermal energy?
The energy in a substance due to the motion and vibration of its particles.
What was Robert Boyle's first true chemistry book?
The Skeptical Chemist.
What is a group?
A column on the periodic table.
What was Galileo's main focus in his scientific career?
The sun being the center of the solar system.
What is the definition of net force?
The sum of all the forces acting on an object.
True or false:
Wavelength is how much distance a wave covers in one cycle.
True.
Who was Robert Boyle's assistant?
Robert Hooke.
True or false:
A Halogen is in Group 18 of the periodic table.
False.
What did Ibn Al Haytham discover?
That vision was caused by light rays bouncing off an object.
True or false:
Acceleration is the change in force over friction.
False.
Trough is the _ distance from the center of the wave.
Lowest.
What century was Jabir ibn Hayyan alive in?
The eighth century.
Are noble gases very reactive with other elements?
No.