A
A characteristic of a substance that describes its ability to change into different substances.
What is Chemical Property
What is the ratio of Hydrogen to Oxygen in the chemical formula H2O.
What is 2:1
The measure of how hot or cold something is.
What is temperature.
The fact that matter is not created or destroyed in any chemical or physical change.
What is Law of Conservation of Mass
A characteristic of a substance that can be observed without changing it into another substance.
What is Physical Property
The amount of space that matter occupies.
What is volume
Anything that has mass and takes up space.
What is Matter
A measure of the force of gravity on you.
What is weight
A change in which energy is absorbed. (ex. melting of ice)
What is endothermic change
A change in matter that produces one or more new substances.
What is chemical change
Alters the form or appearance of matter but does not turn any substance in the matter into a different substance.
What is physical change
The basic particle from which all elements are made.
What is an atom
The study of matter and how matter changes.
What is Chemistry
A type of mixture where the elements can NOT be seperated.
What is a Homogeneous Mixture
What is mass
A group of two or more atoms held together by chemical bonds.
What is a molecule
A measure of the mass of a material in a given volume.
What is density.
The energy stored in the chemical bonds between atoms.
What is Chemical Energy
A single kind of matter that is pure and has a specific set of properties.
What is Substance
What is the formula for Volume.
What is Volume = Length x Width x Height
Name the 4 Methods to Separate Mixtures.
What is 1) Distillation, 2) Evaporation, 3) Filtration, 4) Magnetic Attraction
How many grams make 1 kg and do grams and kilograms measure (volume / mass)
What is 1000 grams; mass.
Tell me one way matter can change Physically and one way chemically.
What is:
Physically: -change in state, -change in shape or form
Chemically: -forensics (glue, luminol), -combustion, -oxidation
Look at the chemical symbol of the elements listed and give me their names.
C- H- Fe-
O- S- Ca-
N-
What is C- Carbon, H- Hydrogen, Fe- Iron, O- Oxygen, S- Sulfur, Ca- Calcium, N- Nitrogen
Name the 3 States of Matter
What are Solids, Liquids, and Gases