Cells and Body Systems
Fluids
Light
Mechanical Systems
Water
100
This organelle is the "command centre" of the cell.
What is the nucleus?
100

Pressure applied to one part of a closed system, will be applied equally to all other parts of the system.

What is Pascal's Law?

100
This structure, found in the eye of many nocturnal animals (including sheep), is not found in the human eye.
What is the tapetum lucidum?
100

Name the 6 simple machines 

Lever, Pulley, Wheel and Axle, Screw, Inclined Plane, Wedge.

100
When snow gradually accumulates over an extended period of time, it can become a flowing sheet of ice. What name is used for these structures?
What is glacier?
200
These structures are designed to greatly increase the surface area on the inside of the small intestine.
What are villi?
200
This term is used to describe the process of a solid, becoming a gas.
What is sublimation?
200
The image formed by this type of lens will always be smaller than the object, upright, and virtual.
What is concave?
200

What is considered the distance ratio?

Speed ratio

200
This number represents the percentage of water on Earth, that is fresh.
What is 3?
300
This structure allows plant cells to maintain their shape.
What is the cell wall?
300
This measurement is often used to describe the viscosity of a substance.
What is flow rate?
300
When red light, blue light, and green light are produced or reflected together, the result is light of this colour.
What is white?
300
No machine can ever be 100% efficient. This happens because some energy is always lost to heat, as a result of this force.
What is friction?
300

Organisms in the deepest, darkest parts of the ocean cannot conduct photosynthesis. In such places, entire food chains rely on these organisms, to produce their energy.

What are bacteria/phytoplankton?

400
The kidneys are an important part of this system, in the human body:
What is the excretory system?
400
In this state of matter, the particles are tightly packed, and vibrate slightly, from side to side.
What is solid?
400
This form of radiation is produced in the part of the electromagnetic spectrum where waves have the shortest wavelength.
What are gamma rays?
400

This term describes the force ratio of a machine.

What is mechanical advantage?

400

Most of the water from the North Saskatchewan river eventually drains into this body of water.

What is Hudson's Bay?

500
This term describes the movement of water into or out of a cell, in order to balance the concentrations of solutes on either side of the membrane.
What is osmosis?
500
This is the name used for a mixture formed by dissolving two metals in each other, in their liquid state.
What is an alloy?
500

This part of the human eye is analogous to the film in a camera.

What is the retina?

500

Bikes use this system to help them transfer force from the pedals to the wheels

What is linkages?

500
This is the main cause of waves, on the oceans of the world.
What is wind?