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

This is the name of the principle that pressure applied to one part of a closed system, will be applied equally to all other parts of the system. (Hint: Typically used in hydraulics and pistons)

What is Pascal's Law?

100

This is the difference between lenses and mirrors.

In lenses, light refracts and in mirrors, light is reflected.

100

What type of a lever is a baseball bat?

Class 3

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

What is the part of the microscope that allows a user to rotate between three levels of magnification?

What is a revolving nosepiece?

200
The _______________ states that all particles have spaces in between each other
Particle Model of Matter
200
The image formed by this type of lens will always be smaller than the object, upright, and virtual.
What is concave?
200

This is a mechanical device used to pull, lift, or wind in a rope, cable, chain, or strap by wrapping it around a rotating drum.

What is a winch?

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 is a measure of how fast a fluid travels from Point A to Point B.

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
This is the process used to keep the amount of water in the Earth the same. The Sun allows this process to continue.

What is the Water Cycle?

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

How do humans see the color "blue"? (Hint: Reflection, Absorption...)

When light hits an object, blue light is reflected and the other colors are absorbed.

400
This term describes a phenomenon by which the distance over which a force is applied is increased, in order to use less force.
What is mechanical advantage?
400
The process of converting sewage back into clean drinking water.

What is Wastewater Treatment?

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

A slice of pizza with multiple toppings is what type of heterogeneous mixture?

Mechanical Mixture
500
This part of the human eye is analagous to the digital array, in a digital camera.
What is the retina?
500

In a gear train, the number of follower gear teeth it 12 and the number of driver gear teeth is 4. What is the speed ratio

0.3

500

Crows are susceptible to the West Nile Virus? Their population increase/decline allows us to determine the presence of the virus within the location. Crows are called _________________________.

Bioindicator Species

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