Atoms and Elements
This part of an atom determines its identity
What is a proton?
Rust forming on iron is an example of this type of change.
What is a chemical change?
An object will not move during this type of force.
What is a balanced force?
A car traveling up and down hills, will have the greatest potential energy at this location point.
What is, on top of the hill?
You can expect opposite poles on a magnet to do this.
What is attract?
This compound is essential for life, has a boiling point of 100 degrees Celsius, and is represented by the chemical formula H2O.
What is water?
Freezing water is an example of this type of reaction.
What is an exothermic reaction?
An object speeding up when pushed, is an example of this law of motion.
What is Newton's 2nd Law of Motion?
Increasing this part of a roller coaster, will increase its total energy.
What is its height?
Two negatively charged items will do this when moved close to one another.
What is repel?
This subatomic particle has a negative charge.
What is an electron?
This type of reaction is one in which heat is absorbed.
What is an endothermic reaction?
This force causes a ball in motion to stop.
What is a friction?
This property of a wave (it's height) determines how much energy it carries.
What is amplitude?
This is the flow of electric charge through a conductor.
What is an electric current?
This element is found in all organic compounds.
What is carbon?
This type of change usually forms a new substance with different properties.
What is a chemical change?
This Newton's Law explains why a rocket launches upward when gases push downward.
What is Newton's 3rd Law?
Friction converts mechanical energy into this.
What is heat?
This is generated when a wire moves through a magnetic field.
What is electricity?
Filtration works best when separating this form of matter.
What are solids?
During this type of change, a frozen layer of ice melts from the top of soured milk.
What is a physical change?
A bowling ball causes more injury than a baseball when thrown at the same speed because of _____.
What is mass?
As the wavelength of electromagnetic waves decreases, this increases.
What is energy?
This is a temporary magnet which can be turned on and off with electricity.
What is an electromagnet?