Matter
Anything that has mass and takes up space.
What is matter?
A single kind of matter that always has the same make-up or composition, cannot be separated by physical means.
What is a substance?
How a substance smells
What is odor?
Something that catches on fire
What is flammable
Changes the way something looks.
What is a physical change?
The amount of matter in an object
What is mass?
Two or more substance that are together in the same place, but their atoms are not bonded together.
What is a mixture?
How light is reflected, ex: shiny
What is luster?
What results from a chemical reaction?
What is products?
Rearrangement of the atoms of one or more substances that forms at least one new substance.
What is a chemical change?
The amount of space an object takes up.
What is volume?
A substance made up of atoms with the same identity.
What is an element?
Resistance to scratching
What is hardness?
How acidic or basic something is
What is pH?
The kind of change when water and cornstarch mix to make oobleck.
What is a physical change?
The calculation for density
Mass/volume
Mixture in which two or more substance are evenly spread with a uniform appearance.
What is an homogenous mixture?
How well it dissolves another substance
What is solubility?
What goes into a chemical reaction?
What are reactants?
The kind of change when two substances produce heat when combined.
What is a chemical change?
If the volume is 2 mL and the mass of a rock is 10 g, what is the density? A correct answer includes the number and the units.
5 g/mL
A kind of physical property that is always the same, no matter how much of the substance there is.
Intrinsic Property
To flatten into thin sheets
What is malleability?
What is acidic pH
What are the 3 signs of a chemical change?
Odor, light/heat, gas formation, color change, precipitate