Mix and flow of matter
The process where a liquid changes to a gas
evaporation
The organelle responsible for producing energy in a cell
mitochondria
The highest point of a wave
crest
The amount of force applied over a distance
work
This process occurs when water vapor turns back into liquid
condensation
This type of mixture has visible different parts
heterogeneous mixture
The part of a cell that controls what enters and leaves
cell membrane
When light bends as it passes through different mediums
refraction
The multiplication of effort force in a machine
mechanical advantage
The type of water that makes up most of Earth's surface
(50) Bonus what percentage?
salt water
97%
A measure of a fluid's resistance to flow
Viscosity
The order of biological organization from smallest to largest
cell → tissue → organ → system → organism
A lens that spreads light rays
convex
Where the effort is applied in a Class 3 lever
fulcrum and the load
The concentration of harmful substances increases up the food chain
biomagnification
Describes how easily substances dissolve
solubility
The difference between a unicellular and multicellular organism
number of cells
Why we see a blue object as blue
absorption and reflection of light
bonus 50: is blue absorbed or reflected
The formula for calculating pressure
pressure = force ÷ area
bonus: draw the triangle
The force that moves ocean currents
the wind
an unknown substance has a mass of 800 g and its volume measures 200 cm3. what would the density be?
4g/cm3
what is the difference between osmosis and diffusion
osmosis occurs when water moves across a membrane
bonus: does it move low to high or high to low
The model that explains how light travels in straight lines
ray model of light
The conversion of potential energy to kinetic energy
energy transformation
A wetland with acidic, nutrient-poor water
bog