Atoms, molecules, elements & compounds
The basic unit from which all matter is made.
What is an atom?
The amount of matter in an object.
What is mass?
Made up of two or more substances that are in the same place.
What is a mixture?
A measure of the mass of a material in a given volume.
What is Density?
A change that alters the form or appearance of matter but doesn't turn a substance in the matter into a different substance.
What is a physical change?
Gold, oxygen, and carbon
What are examples of elements?
A measure of the force of gravity on an object.
What is weight?
An example of a pure substance.
What is salt, gold, oxygen?
To measure density, you would do this equation.
A change of matter that produces one or more new substances.
What is a chemical change?
A type of molecule that consists of different elements chemically bonded.
What are compounds?
All forms of matter have this.
What is volume?
Steel is a mixture of iron and carbon. It is an example of this kind of mixture.
What is a homogenous mixture?
Density can be applied to these three states.
What is a solid, a liquid and a gas?
Adding yeast to the dough causes the dough to rise. This is an example of a _________ change.
What is chemical?
A group of two or more atoms held together by chemical bonds.
What is a molecule?
A mechanical scale like a see-saw used to measure mass.
What is a triple beam balance scale?
This happens when a magnet is held close to something magnetic.
What is the process of magnetic attraction?
This factor can affect density.
What is temperature?
If iron is exposed to air and water it can rust. This is an example of a _______ property.
What is a chemical property?
An example of a compound molecule.
What is methane, water etc?
What is mass does not change with a change in the force of gravity?
A salad or trail mix is an example of this kind of mixture.
What is a heterogenous mixture?
The density of ice is this.
What is 0.9168 g/cm^3?
Matter is neither created nor destroyed. This is the ___ of ____________.
What is the law of conservation?