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Elements
Chem. change phys. change
States of matter
Chemical and physical properties
100
Au
What is Gold
100
Fe
What is iron
100
If you crush a can, is it chemical or physical change?
What is Physical change
100
What is it called when water turns into a gas and rises up into the atmosphere?
What is evaporation
100
Name the physical properties of an apple
What is red etc.
200
Ag
What is silver
200
(guess the different elements that make this) NaCl
What is Sodium and chlorine
200
You have milk in the fridge and its sour, you smell it and it has an odor, chem. or physical change?
What is Chemical, a new substance has formed and made the milk sour
200
When your making pasta, and your water is creating steam what is taking place?
What is boiling
200
A chemical reaction is changing color, is this its chemical properties?(don't answer in a question)
Yes
300
Hydrogen
What is H
300
C+O=
What is Carbon monoxide
300
Define Chemical change
A change that occurs when one or more substances with different properties creates a new substance
300
You put an ice cube tray filled with water in the freezer, what will happen? (don't answer this in question form)
The water will freeze and make ice cubes
300
Your Water melts into a liquid from a solid, is it still water?
Yes, its properties still have not changed
400
Copper
What is Cu
400
C+O2=?
What is carbon dioxide
400
Define physical change
A change of matter from one state to another without any change in chemical properties
400
On a hot day, what is it called when your popsicle becomes a liquid?
What is melting
500
Is this an element CO? Why, or why not?
No because an element has just 1 capital and CO has 2 and the compound is carbon monoxide
500
Who created the periodic table?
What is Dmitri Mendeleev
500
Chem. or physical change? You cut paper in half
What is physical change
500
What is happening when your solid nitrogen is giving off a gas?(don't answer in question form)
The nitrogen is going through sublimation
500
Define chemical properties
Chemical properties are the change that a substance undergoes in a chemical reaction and changes its properties or creates a new substance