chapter 1 ✎
the study of living organisms
what is biology?
anything that has mass and takes up space
what is matter?
solid, liquid, and gases are examples of....
what is the states of matter?
matter composed of identical atoms
what is an element?
the first step of the scientific method
what is an observation?
the amount of space an object occupies
what is volume?
something that has definite shape and volume
what is a solid?
a combination of 2 or more pure substances that can vary throughout
what is a mixture?
the base unit of mass
what is a gram?
the amount of matter in an object
what is mass?
the two kinds of solids
what is crystalline and amorphous?
metal, nonmetal, or metalloid: oxygen
what is a nonmetal?
a measurement system based on units of 10
what is the metric system?
something that can be detected and measured without making a new substance
what is a physical property?
the measure of how fast the particles in an object are moving
what is temperature?
metals can be hammered into sheets
what is malleable?
the factor being tested and everything else is identical to control
what is a single variable?
color change, odor change, texture change, and heat production or absorption are signs of....
what is a chemical change?
a law which states that the volume of a gas is inversely proportional to the pressure of a gas when temperature is constant
what is boyle's law?
substance being dissolved
what is a solute?