Physical Properties
True or False - Kool aid dissolving in water is an example of a physical change
True
Burning a marshmallow to make a s'more is an example of
A chemical change
What do you call a pure substance that cannot be broken down
Element
A _____ is a pure substance made up of two or more elements chemically combined
Compound
A ______ is made up of two or more substances
Mixture
Hardness, texture, and color are some other physical properties of _______
Matter
True or False - Chemical Property is a pure substance that describes its ability to change into a different substance
True
Elements are the simplest
substances
True or False - Water is a compound.
True - It's H2O
Sample 2: salt crystals dissolved in water
Sample 3: salt and pepper
- Sample 2 is what kind of mixture? and Sample 3 is what kind of mixture?
Sample 2 is homogenous and Sample 3 is heterogenous
Melting and Forming metal into jewelry/art is an example of
Physical change because it's still metal
Chemical properties are used to classify ______
Unknown Substances
This is used to make foil
Aluminum
The number of different elements in calcium carbonate (CaCO3) is ....
3
Each ________ in a mixture keeps its individual properties
Substance
Physical Properties can be used to classify ______
Matter
This will react with oxygen in air to form different substances (It's a shiny metal you see a lot)
Silver
Each element can be identified by its specific physical and chemical _______
properties
How are elements combined to form a compound?
Chemically Bonded
A solution is one example of a(n) _________
Homogeneous mixture
When liquid water freezes it turns into _____
Ice
Adding ingredients to make dough, and then bake into bread is an example of
A Chemical Change
With each breathe, you inhale the elements oxygen and _____
Nitrogen
All matter is made of _______
Elements
Black ink is a solution because you can’t usually see the parts. What kind of mixture is black ink?
Homogenous Mixture