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first law of thermodynamics
matter/energy cannot be created nor can it be destroyed.
compound
two more elements combine
covalent bond
bonds that share electrons
bioremediation
using microorganisms to clean up environmental threats
fossil record
used by paleontologists to understand the history of life on Earth
autotroph
able to make their own food
photosynthesis
transform molecules with low energy bonds
geothermal energy
sustainable enrgy from heat which is produced inside Earth
prokaryote
no have a nucleus
lipids
group of molecules that don’t dissolve in water
potential energy
stored energy
cell
The basic structure that has the traits of life.
eukaryote
have a nucleus
acidic
more hydrogen ions
methane
the simplest hydrocarbon
pH scale
measures hydrogen ion
isotope
same element but different number of neutrons
ion
atoms with a charge
basic
more hydroxide ions
proteins
made of amino acids
half-life
time it takes half the radioactive material to disappear
second law of thermodynamics
every reaction creates more disorder
atomic number
the number of protons found in an elemental atom
carbohydrates
include simple and complex sugars
kinetic energy
energy of motion
nucleic acids
includes DNA and RNA
phytoremediation
Using plants to clean soil, water, air, and sediments.
element
substances that cannot be broken down
proton
positively charged subatomic particle
ionic bond
formed by transferring electrons
gene
control traits by making proteins.
atom
smallest piece of matter
energy
the ability to do work
electron
negatively charged subatomic particle
cellular respiration
cells turn glucose into energy, water, and carbon dioxide.
neutron
subatomic particle with no electrical charge
enzyme
A protein that speeds up a reaction without being used.
translation
ribosome reads mRNA and makes protein.
