Unit 1: Kinetic Theory

Compounds are made from the atoms of two or more _______.

• solutions
• carbs
• mixtures
• elements

How would you classify the color of a rose?

• chemical change
• physical property
• physical change
• chemical property

What type of mixture is this?

• homogenous mixture
• chemical
• heterogeneous mixture 
• solid mix

Which of the following is not an example of a physical property?

• reactivity
• boiling point
• density
• freezing point

All matter can be divided into pure substances and ___?

• elements
• matter
• solutions
• mixtures

Which of the following IS a mixture?

• air
• hydrogen
• water
• sugar

A type of matter with a fixed composition?

• pure substance
• element
• colloid
• tyndall effect

A material made up of 2 or more substances that can be easily separated by physical means is a ___?

• compound
• colloid
• mixture
• solution

3 examples of a physical change...?

• sawing of wood, crushing a can, & toasting a marshmaollow
• freezing water, bursting of a balloon, & rotting of an egg
• boiling of water, bursting of a balloon, & crumpling a piece of paper
• evaporation of gasoline, rusting a nail, & freezing of water

A material that can be represented by a chemical formula...?

• compound
• mixture
• suspension
• chemical property