This is used to pump protein into the membrane itself.
What is active transport?
A particle that is negatively charged and is found outside the nucleus.
What is an electron?
Speed in a specific direction.
What is velocity?
When Earth's crust moves suddenly at a fault line.
What is an earthquake?
The introduction of contaminants into the natural environment that cause adverse change.
What is pollution?
The process of oxidizing food molecules, like glucose, to carbon dioxide and water.
What is cellular respiration?
Anything that takes up space or has mass.
What is matter?
A measure of the amount of mass in a given volume.
What is density?
Loosening and transporting of sediments by gravity, wind, water, or ice.
What is erosion?
Any natural substance that living things use.
What is a natural resource?
This is the building block for nucleic acid.
What is a nucleotide?
The smallest pieces of matter.
What are atoms?
A push or a pull.
What is force?
The four layers of the earth.
What are the inner core, outer core, mantle and crust?
The thin layer of life around the Earth.
What is the biosphere?
The process a plant uses to combine sunlight, water, and carbon dioxide to produce oxygen and sugar.
What is photosynthesis?
Group 1A elements.
What are alkali metals?
The unit of energy/work.
What is a joule?
The breakdown of rock into smaller pieces.
What is weathering?
When one organism kills and eats another organism.
What is predation?
The scientific study of heredity.
What is genetics?
A substance made up of two or more elements that have been chemically combined together.
What is a compound?
Every object in a state of uniform motion tends to remain in that state of motion unless an external force is applied to it.
What is Newton’s first law of motion?
The process of physical weathering and erosion by ice.
What is glaciation?
The entire area of land that is drained by a river.
What is a watershed?