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What is the Particle Model of Matter
All matter is made up of tiny moving particles
What is a Stimulus
Anything that causes a response in an organism
5 basic properties of light.
1. Travels in straight lines 2. Can be reflected 3. bends 4. energy 5. fast
6 simple machines
lever, inclined plane, wedge, screw, pulley, wheel and axle
how much freshwater is on earth
3%
What are the 3 types of mixtures
Mechanical, Solution, Suspensions & Colloid
Six Characteristics all Living Things Have
1. Made of Cells, 2. Need energy, 3. Grow and Develop, 4. Respond to the environment, 5. Reproduce, 6. Adaptations for their environment
Light Interactions
1. absorbed 2. reflected 3. refracted
transmission
a type of linkage to transfer energy from the engine.
5 major oceans
Pacific, Atlantic, Indian, Antarctic, Arctic
What is Viscosity
2 lenses providing the total magnification.
euclids law of reflection
angle of incidence hitting a surface, equals the angle of reflection
what is work measured in
joules
What is a swell and a fetch
swell - large waves combining
fetch - distance wind blows over the water
What are the 3 types of valves
What are the upper and lower chambers of the heart?
Atria & Ventricles
What is myopia and hyperopia
Near and Far sightedness
pascals law
pressure applied to an enclosed fluid, transmitting equally in all directions
What are moraines
rock deposited at the front of the glacier
What is Buoyant Force
Upward force that a fluid exerts on an object, opposite to the pull of gravity
What nerves control the voluntary responses
Somatic Nervous System (SNS)
camera obscura
a room with a small hole or lens which an image projects onto the wall
speed ratio equation
Input Distance / Output Distance
bioindicator species
species that scientists observe to find the overall quality of water. eg. pH