VOCABULARY
Anything that has mass (weight) and takes up space.
Matter
The process of separating components of mixtures by using magnets to attract magnetic materials
Magnetic separation
Name the 3 types of matter.
Solid, liquid, gas
This type of change produces a new substance with new properties.
Chemical change
A solution is defined as one or more _________ dissolved in a __________.
Solutes, solvent
These are the characterstics of an object and you use your senses to identify them.
Physical properties
One part of the mixture can pass through a filter and another part cannot.
Filtration
These molecules can move freely and will take the shape of any container you put them in.
Liquid
Digesting food turns the food we eat into substances needed for life processes is this type of change.
Chemical change
The center of an atom.
Nucleus
Type of change where a new substance is created
Chemical change
Liquid mixtures like ink can be separated using
Chromatography
These molecules move rapidly and freely where ever there is open space.
What is a GAS?
A logger cutting down a tree is this type of change.
Physical change
Examples of 5 elements
Elements from the periodic table
A type of change where the substance stays the same, but size and shape may change.
Physical change
If a liquid solution is saturated, what can be used to recover the solid component of the mixture.
Crystallisation
A pure substance made up of two or more elements chemically combined and an example.
Compound e.g. Water, carbon dioxide
Metal reacts with oxygen and water producing this substance.
Rust
Diffusion is a term that describes the movement of particles from an area of ______ _______________ to an area of ______ _________________.
What is an electron.
In a ________ the particles are very close together, hardly move at all and vibrate.
Solid
Distillation separates substances in solution that have different __________ _________.
Boiling points
The change of state from gas to solid
Sublimation
5 pieces of evidence for chemical change
1. Change in colour
2. Gas produced
3. Change in temperature
4. Odour produced
5. Precipitate formed
Properties of metals
Shiny, Malleable, Ductile, Conductors