Natural Selection
Natural selection describes this process
Evolution
Climate
This word means "something that is able to change"
Variable
The amount of space an object takes up is called its...
Energy generated from movement
kinetic energy
The struggle between organisms for limited resources
Competition
The layer of gas surrounding the earth
Atmosphere
This is the effect that results from the scientist's manipulation of variables in an experiment.
Dependent Variable
A force that opposes the motion of an object.
friction
The law of conservation of energy states that energy can never be _________ or ___________.
Created or destroyed
A specific trait or behavior that helps an organism survive and reproduce in its environment (e.g., camouflage, thick fur).
Adaptation
Energy that can be used again and again is called...
Renewable energy
This is a variable that a scientist introduced into an experiment that causes a change in an experiment's outcome.
Independent variable
Speed in a given direction
Velocity
The stored energy in an object due to its position, state, or arrangement.
Potential energy
The creature adapted to eat both meat and plants.
Omnivore
This resource, mostly consisting of ancient plants and animals, can be used to create energy by burning it.
Fossil Fuels
Variables that remain constant throughout the experiment.
Control Variable
Resistance
The smallest units of measurement--otherwise known as "the building blocks of nature"-- are called...
Atoms
Genes
The part of the earth that receives the most sunlight throughout the year is called...
Equator
The rate at which an object's velocity changes over time, covering speeding up, slowing down, or changing direction
Acceleration
The force that keeps the earth rotating around the sun is called
Gravity