pH
Metals/Non-Metals
Solar Energy
Physical/Chemical
Energy
100
This scales measures the acidity or basic nature of a solution
What is the pH scale?
100
These elements are characterized by their brittle nature, low conductivity, and dullness
What are non-metals
100
These two items were used together to crush and mix titanium dioxide and acetic acid.
What is a mortar and pestle?
100
These changes do not result in a new substance being formed, nor an old substance going away.
What is a physical change?
100
This energy increases when an object moves
What is kinetic energy?
200
Has a range from zero to 14
What is the pH scale?
200
These types of elements are characterized by malleability, conductivity, and high luster.
What are metals?
200
Solar energy is an example of this type of resource.
What is a renewable resource?
200
Mass times this constant yields a force we commonly call weight?
What is gravity?
200
Ignoring friction, potential and kinetic energy make up this constant form of energy?
What is the total energy.
300
This solution changes color based on the pH of a solution.
What is an indicator?
300
Silicon is an example of this type of element.
What is a semiconductor?
300
Plants use this compound to help convert sun energy into sugar.
What is chlorophyll?
300
This intrinsic property relates mass and volume of any object
What is density?
300
This measure is the combination of speed and direction.
What is velocity?
400
These solutions generally leave a sour taste in your mouth
What are acids?
400
Although most non-metals appear on the right side of the periodic table, this lonely non-metals appears in the top-left corner.
What is hydrogen?
400
This acts as both a particle and a wave, and comes in all sorts of colors.
What is light?
400
Iron oxide is the chemical name for this everyday chemical change.
What is rust?
400
This force acts against gravity, resisting the acceleration of a skateboard down a ramp.
What is friction?
500
Lactic acid buildup is the cause of this phenomena in dairy milk.
What is curdling?
500
Though this element is a non-metal, it conducts electricity well.
What is Carbon?
500
This particle or packet from the sun supplies energy to our solar cells
What is a photon?
500
Some chemical reactions require energy input to start, but these release energy in the form of heat
What is an exothermic reaction?
500
This type of potential energy does not rely on height, but instead on compound bonds which hold energy.
What is chemical potential energy
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