Matter
Insulator
Soluble or insoluble?
Water and sand
Insoluble
How can you test the hardness of something?
Perform a scratch test
Describe the particles in a solid
Tightly packed
Move slowly
Conductor
Soluble or insoluble?
Water and vegetable oil
Insoluble
Define Magnetism
A force that attracts some metals
Describe the particles in a liquid
Slightly looser packed
Name 2 electrical conductors
copper, gold, steel, iron, silver
Soluble or Insoluble?
water and salt
Define reflectivity
reflects light so you can see an image
Describe the particles in a gas
Very loosely packed
Move freely
Name 2 electrical insulators
Rubber, wood, plastic, gas
Soluble or Insoluble?
Water and lemon juice
Soluble
Define chemical reaction
process by which a chemical change occurs
What is matter?
Anything that has mass and takes up space
Finish the sentence: An electrical conductor is a material that...
allows electricity to flow easily
Define Solubility
The ability of one substance to dissolve into another
What are the signs of a chemical change?
bubbles, color change, production of smells, light and heat