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Cells, Tissues, Organ Systems
Systems in Action
Physics
Water Systems
Miscellaneous
100
These are known as the building blocks of life
What are cells?
100
This simple machine can be described as a rigid bar that pivots about a fulcrum.
What is a lever?
100

The density of this compound is 1.0 g/cm3

What is water?

100
This network carrying surface water is fresh water, is fed by smaller tributaries, and typically empties out into a lake or the ocean.
What is a river?
100
This branch of pure and applied science, which you can take as a separate course beginning in upper high school, involves living things.
What is biology?
200

This organelle is known as the cell's "powerhouse", breaking down sugars and providing energy to the cell.

What is the mitochondria?

200
This simple machine is the main one found in the blade of an axe.
What is a wedge?
200

We can calculate this property of a substance by dividing its mass by its volume.

What is density?

200

Along with ozone, this is a popular chemical used to disinfect water to kill bacteria and other harmful microorganisms.

What is chlorine?

200

The study of the substances from which the earth and the rest of the universe is made. 

What is Chemistry?

300
This is the process whereby plants turn sunlight, along with carbon dioxide and water, into sugars and oxygen.
What is photosynthesis?
300

The formula is length x width x height

What is volume?

300
This global warming phenomenon is named after a glass building used to provide light and heat to grow plants. It is responsible for climate change.
What is the Greenhouse Effect?
300

This planet is the farthest from the sun in our solar system.

What is Neptune?

400

This organ system has the kidneys as its main organ, and allows the body to filter out toxins and release them from the body.

What is the excretory system?

400

The equation to calculate work done on an object involves multiplying these two things.

What are force and distance?

400

The formula is density x volume

What is mass?

400

This toxic heavy metal, that poisoned the community of Minimata, Japan, in the 1950s, is in the news now for plaguing the Ontario First Nations community of Grassy Narrows. It is also used in liquid form in thermometers. 

What is mercury?

400
This is a table of the chemical elements arranged in order by atomic number so that elements with similar atomic structure (and hence similar chemical properties) appear in vertical columns.
What is the periodic table?
500
While cells are known as the "building blocks of life", this material is known as the "blueprint of life". It is shaped like a double helix, found inside the nucleus, and it allows important characteristics to replicate and be passed on to the next generation.
What is DNA?
500

It can be described as the study of people's efficiency in their working environment, and may involve, for example, designing a chair that is comfortable, good for your health, and user-friendly.

What is ergonomics?

500

____________ are much less dense than liquids or solids. 

What are gases?

500

Canadian physicist, Arthur B. McDonald, won this $1 000 000 and gold medal prize in 2015, for his discovery of neutrino oscillations, which shows that neutrinos have mass.

What is the Nobel Prize?