Smallest particle that makes up a substance
atom
movement of molecule from a region of high concentration to a region of low concentration
diffusion
The chemical symbol for Aluminium
Al
method used to separate magnetic materials
magnetic attraction
the chemical symbol for Iron
Fe
The largest number of elements in the periodic table are
metals
The formula for Carbon dioxide compound
CO2
Salt is a composition of
Sodium and Chlorine
largest planet in our solar system
Jupiter
The chemical symbol for Sodium
Na
gas
2 main types of diffusion
simple and facilitated
The process of depositing a layer of zinc on iron is called
galvinizing
Element having properties of both non-metals and metals
metalloid
non-reactive gases on the periodic table
noble gases
skins innermost layer
hypodermis
when Earth's shadow totally or partially cuts off the light of the moon
lunar eclipse
When food reaches the stomach, involuntary muscles begin a squeezing movement to help the food to pass along. Name this squeezing movement
peristalsis
Copernicus' theory that the sun is the center of our system
heliocentric theory
The heart is divided into 2 sections, the ventricles and the ___________
Atria
Two signs of a chemical reaction
colour change, fizzing, heat, light and sound produced, temperature rises or falls, precipitate formed
In what layer of the earth will I find large plates that move
lithosphere
Earthquakes are usually associated with what type of boundaries
Transform
Three different types of mixtures
solutions, colloids, suspensions
method used to separate insoluble solids from liquid in a suspension
filtration