Measuring
The amount of space something takes up
Volume
A rectangle has a length of 5 and a width of 12. What is its volume?
60
Name the 3 states of matter
Liquid, solid, gas
All matter is made up of small particles called _______
Atoms
What equation can you use to find the volume of an object when using a graduated cylinder?
Equation for Density
Mass divided by volume
A rectangular prism has a width of 7cm, a length of 3cm, and a height of 20cm. What is its volume
420 cm cubed
what are the two physical changes between liquids and solids
Melting and Freezing
Elements
How close together are the usual freezing points and melting points?
They are the same number
This word is anything that has volume and mass
Matter
A cube has a width of 3 cm. What is its volume?
27 cm cubed
Fill in the blanks:
Gasses do not have a definite _______ or ________
shape or volume
A change where atoms in an element or compound combine to form a new substance
Chemical Change
How is a physical change different than a chemical change?
Chemical changes create new substances
What are two ways of measuring volume?
Length x Width x Height, or a graduated cylinder
A rock has a volume of 12ml, and a mass of 72g. What is the density?
6 g/mL
What are the two physical changes that happen between liquids and gases
vaporisation, condensation
A mixture of two or more metals
Alloys
Are all molecules compounds? Are all compounds molecules?
Density is measured by what unit of measurement?
g/mL
A rock has a density of 16, and a volume of 4ml. What is its mass?
64 g
What is the process of a solid turning into a gas called?
Sublimation
Cars turn into this compound after undergoing a common chemical change. (Give the official scientific name)
Iron Oxide
carbonated drinks are an example of a solution where _______ is mixed in a _________
Gas, Liquid