the growth of a plant in response to gravity
ex: roots grow down
geotropism
the growth of a plant in response to heat
thermotropism
one of four states of matter that refers to a substance that has a definite shape & volume
solid
one of four states of matter that refers to a substance that has a definite volume, but it takes the shape of the container
ex: water in a water bottle
liquid
one of four phases of matter that refers to a substance that takes both the shape and the volume of the container
gas
one of the four states of matter that refers -that does NOT have a definite shape or volume and whose particles have broken apart.
ex: fire
plasma
the temperature at which a liquid heats up to change into water vapor
boiling point
a science law stating= during a chemical reaction, matter cannot be created or destroyed
Conservations of Mass
scientist famous for developing the theory of relativity
e=mc
Einstein
a science that examines the relationship between diet and health
nutrition
refers to drugs that a person becomes physically or mentally dependent on
addictive
a type of low impact activity that results in an elevated heart rate for an extended period of time while allowing the body to maintain necessary oxygen levels
aerobic exercise
a type of crustancean that is better known as a "roly-poly"
pill bug
a type of high impact activity that causes the body to become oxygen depleted