What are the three states of matter?
Solid, Liquid, Gas?
How can you separate sand from iron?
If you're in a car going 20 miles per hour, how far will you go in three hours?
60 miles
What is potential energy? (rest or motion?)
Energy at rest
What is the amplitude of a wave?
How tall the wave is
What kind of charge do electrons have?
Negative
What is one way we can tell a chemical reaction has occurred?
Smell, bubbles, temperature change, odor, color change, solid is formed
What is the formula for speed?
Distance / Time
Standing on the end of a diving board is an example of.... what type of energy? (P/K)
Potential
When the particles in the wave are the closest together.... compression or rarefaction?
Compression
What is the identifying characteristic of an element is the number of? (protons, neutrons, electrons)
Protons
What happens to heat when an exothermic chemical reaction occurs?
Heat is released
A student applied a force of 1200 N to push a box 45 m down the sidewalk. Given the formula, W=F×d,, how much work has been done?
54,000
The sun’s rays warm a puddle... Is it an example of conduction, convection, or radiation?
Radiation
What do bats and dolphins use to communicate?
Echolocation or Sonar
What are two or more elements chemically combined? (compounds or mixtures?)
Compounds
How many Hydrogen elements are in this equation? 6H2O
12
How far did the red line travel?
250 meters
Anya placed an ice cube on the sidewalk on a warm day. The ice cube soon melted to form a puddle. What process caused the ice cube to melt? Conduction, convection, or radiation?
Conduction
Rarefaction
Noble gas is an example of: (element, compound or mixture?)
Element
Where are valence electrons located?
In the outermost shell
Actions and Reactions is an example of what Law of motion (1,2 or 3?)
The Third law of motion
Which of these sequences best describes the energy change of the bicycle from the top of the hill until it stops?
Kinetic - Potential - Potential
Potential - Kinetic - Potential
What is the frequency of this wave? 
15