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What are the two standard units of measurement scientist use to measure matter?
metric system and Customary System
What is the difference between mass and weight of an object?
Mass is the amount of matter the object has and weight is the pull of gravity on an object.
What evidence of a chemical change did you observe in either the steel wool or your glow stick?
Steel wool: changed in texture because the reaction caused it to crumble, reaction caused a new matter
Glow Stick: the hydrogen peroxide in the glass tube reacted with the chemical (phenyl Oxalate Ester)in the plastic tube when you bend the stick which causes the glass tube to break mixing the two chemicals and causing a glowing chemical reaction
When drawing up an atomic model, where are the protons, neutrons , and electrons?
Protons and neutrons are in the middle and electrons circle them on the outside
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