Structure of Matter Test #1

What is a mixture? 

• a combination of elements to make a new substance 
• a chemically combined substance 
• a combination of substances where new substances are formed through a reaction
• a combination of substances in which the atoms of the substance do not chemically combine

Volume is the amount of space an object takes up.

• True
• False

Which option lists the least dense physical state to the most dense physical state in order?

• solid, liquid, gas
• liquid, solid, gas
• gas, liquid, solid

What are you measuring to find out how much space an object takes?

• an object's volume
• an object's mass
• an object's weight
• an object's length

Which of the following lists are composed of only matter?  

• helium, gas, milk, electricity
• heat, soil, toothpaste, water
• bacteria, mud, basketball, water
• cells, fear, paper, the sun

What is the name of the process used to find the volume of an irregularly shaped object?

• L x W x H
• Pouring method
• Displacement method
• Scientific method

What is a unit used to measure the volume of a regular object (like a perfectly straight sided cube)?

• milliters (ml)
• pounds (lbs.)
• centimeters cubed (cm3)
• grams (g)

What unit of volume is used to measure the volume of a liquid or an irregular object (like a rock)?

• milliters (ml)
• centimeters cubed (cm3)
• inches (in)
• grams (g)

An examination using your five senses

• observation
• scientific method
• chemical reaction
• the ISTEP test

A measure of how much matter an object contains is called its

• density
• matter
• mass
• scale