Hydraulics uses the compressibility of gases in order to work

Weight is measured in kg

If my microscope has an ocular lens (10x) and an objective lens (40x), the total magnification is equal to 400x.

The nucleus of a cell contains chromosomes - important information that guide the cell's growth and development

What are the 2 parts of a plant cell that are NOT part of an animal cell. Check all that apply.

Xylem tissue is the tissue that transports sugars and amino acids that are produced in the leaves during photosynthesis

The different levels of organization in an organism are: cells - tissue - organs - organ systems - organism

The distance from crest to crest is called a wavelength

Radio waves are short, so they travel the longest distance.

Refuse reflection is when light is scattered off of an uneven surface. Example, a crumpled ball of aluminum foil.

Gears in contact travel in opposite directions. The exception would be if you used a chain to connect the gears.

Friction and noise make machines more powerful and efficient

You body's circulatory system is an example of a pneumatic system

Headwaters are slow moving and wide

Algal blooms occur when a body of water has an excess of nutrients

Oxygen, water and molasses are all examples of fluids

Sublimation is what happens when a liquid becomes a gas

Solubility is defined as the amount of solute that can be dissolved in a given amount of solvent at a given temperature

What do Kool-Aid and chicken noodle soup have in common?

Agitation is one of the factors that affects the rate of dissolving

This WHMIS symbol means flammable

Pascal's law states that when pressure is exerted on one part of the fluid, the same pressure transmitted unchanged to all parts of the fluid, no matter what the shape of the container.

Distillation is the process of extracting dissolved minerals out of water

Tars and bitumen condense last (towards the top) in a fractioning tower.

Filtration is an appropriate method of separation when looking for golden nuggets in a creek bed

Viscosity of fluids always decreases when temperature is increased

Flow rate is a way to measure density

Ballasts in a submarine could be used to achieve neutral buoyancy

The mass per unit volume of a substance describes viscosity

A barometer is a device used to measure the pressure of the atmosphere

A vacuum cleaner works by creating a high pressure situation inside the vacuum cleaner that sucks air in from outside

A rabbit turning white in the winter is an example of an adaptation a living thing makes to its environment

All cells come from previously existing cells

The cell wall controls the movement of substances into and out of the cell

The mitochondria is the "power plant" of the cell

Impermeable means that substances cannot pass through

A kidney is an example of an organ tissue

Veins have valves that prevent backflow

The hypothalamus (in your brain) is what regulates heat in your body

Alveoli are fingerlike projections in the small intestine that aid with absorption of nutrients.

Kidney disease is known as the "silent killer"

If a person's blood pressure is very low after an accident, it is likely due to shock.

What is the condition called when the cilia of the respiratory system become inflamed?

Blood platelets protect the body from infection and disease

The frosted shower door is considered transparent

A plane mirror manipulates reflections and creates optical illusions

Red, yellow and blue are the primary additive colours.

The toner in your printer at home contains the 3 secondary additive colours red, cyan and yellow.

Colourblind people most often have a hard time distinguishing the colour red and violet.

Class 2 levers always produce a mechanical advantage

Class 3 levers always produce a speed advantage

The fulcrum is the pivot point of a lever

A machine that only changes the direction of a force has a mechanical advantage of less than one.

A block and tackle is a defensive scheme used by comet football players that won a provincial championship this year.

2 simple machines that are part of a a unicycle are a pulley and a gear

Work is can be defined as a force acting over a certain area

A subsystem is a complex machine that is part of a larger even more complex machine

When water is heated and begins to evaporate, the steam that evaporates is able to occupy a greater volume.

There is more freshwater locked up in ice sheets and glaciers than there is found in our groundwater system

Water management is a comprehensive term that deals with balancing the water needs of wildlife, people, industries and the environment.

A steady increase in the global temperatures is known as the greenhouse effect

Tidal ranges are greatest during spring tides

The salinity of our oceans remains more or less in balance

A septic tank holds fresh water