Water
Chemistry
Evolution
Cells & Microbiology
Mixed
100
A model that shows the flow of energy from one organism to the next in an ecosystem.
What is a food chain or food web.
100
The amount of a chemical substance that one individual should take for the desired effect.
What is a dose.
100
No longer found living on Earth.
What is extinct.
100
Composed of only one cell.
What is unicellular.
100
The use of satellites to pinpoint locations on Earth.
What is GPS, global positioning system.
200
Water located beneath Earth's surface.
What is groundwater.
200
A scientific law that states that during a chemical reaction, matter cannot be created or destroyed but can be changed into a different form.
What is the Law of Conservation of Matter.
200
Imprints or remains of organisms that were once alive.
What are fossils.
200
The cell organelle that stores and protects the genetic material.
What is the nucleus.
200
A possible answer or explanation (guess) to a scientific question.
What is a hypothesis.
300
Pollution that comes from a source that is not easily identifiable, such as run-off.
What is non-point-source pollution.
300
Anything that has mass and takes up space.
What is matter.
300
A fossil of an organism that existed for a relatively short and exact period of time.
What is an index fossil.
300
A disease that spreads over a wide geographic area.
What is an epidemic.
300
A tiny organism that can be seen only with a microscope.
What is a microbe.
400
The uneven distribution of charges across a molecule, such as the water molecule.
What is polarity.
400
A solid that forms from a chemical reaction.
What is a precipitate.
400
A scientific law that states that in undisturbed rock layers, older rock layers lie beneath younger rock layers.
What is the law of superposition.
400
The movement of particles from an area of high concentration to an area of low concentration.
What is diffusion.
400
An organism that causes a disease.
What is a pathogen.
500
The movement of colder, nutrient-rich waters from the deep ocean into shallow waters.
What is upwelling.
500
The process in which rocks are broken down into smaller pieces through the action of wind, water, roots and animals.
What is weathering.
500
The rock layer formed between the Cretaceous and Tertiary periods; marks the extinction of the dinosaurs.
What is the K/T boundary.
500
Fluid, made mostly of water, that fills most of the space within a cell.
What is the cytoplasm.
500
Checking features on a map made by a satellite by actually visiting the area.
What is ground truthing.
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