Energy and Matter Flashcards
Life needs 2 basic inputs
Matter and Energy
Matter is any physical substance that has ___ and ____
Mass and Space
Matter is made of ___ the smallest particle that still exhibits its ____
Atoms. element
All known types of atoms in the universe
Elements
JP believed that air is a “____” of gases
Joseph Priestly, composition
What Priestley did that made him discover Oxygen
Place a rat in a jar with a burning candle
As have the ability to bond w other atoms making it a
Molecule
Oxygen is made up of
2 oxygen atoms bonded together by electrons
Air is primarily made of
N, O2, CO2, H2O
Who experimented with Priestley’s experiment but with sunlight?
Jan Ingenhousz
Plants only produced O2 when
There’s sunlight
Potential energy can exist as a result of
Position, chemical structure
Energy travels in the form of
Waves
Solar radiation has 3 wavelengths of energy
Ultraviolet, Visible, Infrared
Able to penetrate tissue causing skin damage
Ultraviolet