Using your senses to gather information
What is observation?
The amount of matter in an object
What is mass?
A change in the size, shape, form, or state of matter
What is a physical change?
The number of protons in an atom of an element
What is the atomic number?
Electrons in the outermost energy level of an atom
What are valence electrons?
Combining prior knowledge and experience
What is an inference?
A measure of the gravitational force of an object
What is weight?
Process in which atoms of one or more substances rearrange to form new matter
What is a chemical change?
Number of protons plus the number of neutrons
What is atomic mass?
The ability of a substance to be hammered or rolled into sheets
What is malleability?
If...then...because statement
What is a hypothesis?
The amount of space something occupies
What is volume?
What are bubbles, change in color, change in odor, warming or cooling, or change in light?
Smallest part of an element that has all the properties of that element
What is an atom?
A mixture that is spread evenly throughout
What is homogenous?
The factor in an experiment changed by the investigator
What is the independent variable?
The amount of mass per unit of volume
What is density?
Density, magnetism, luster, solubility, conductivity
What are physical properties of matter?
A column on the periodic table
What is a group?
A type of matter that has no definite shape and fast moving particles?
What is a gas?
The factor in an experiment being measured or observed
What is the dependent variable?
Uneven forces acting on the particles on the surface of a liquid
What is surface tension?
Mass is the same before and after a change
What is the law of conservation of mass?
A row on the periodic table?
What is a period?
A mixture in which particles scatter light shined on them
What is a colloid?