Vocabulary
anything that has mass and takes up space
What is matter?
My silver ring has turned black. It went through what change?
What is a Chemical change
Hexane (C6H14) is an example of this
What is a compound
Brick has a mass of 6,000g and a volume of 2,000cm^3.
What is 3.00g/cm^3?
What is the density of pure water?
1.0 g/cm3
the amount of matter something has
What is mass?
It changes a substance to something else, permanently
What is chemical change
A solution of sugar water is what type of matter?
what is a homogeneous mixture
A metal has a volume of 15cm^3 and density of 3.0g/cm^3. It's mass would be....
What is 45 g?
Baking cupcakes are an example of a ____ change.
What is chemical change?
A combination of 2 things in uniform composition
What is a homogeneous mixture?
A phase change is this type of change
What are physical changes
Your cellphone is what type of matter?
What is a heterogeneous mixture
A liquid has a mass of 24g and density of 2.0g/mL. It's volume is this....
What is 12 mL?
NaCl is an element or compound?
What is compound?
A substance that can be physically separated
What is a mixture
My daughter has cut that got infected and is red and yellow. What change did her skin go through since the cut?
What is chemical change.
Koolaid, steel, brass, air, and milk are examples of this.
What is a homogeneous mixture?
A liquid has a mass of 60g and volume of 30mL, its density is....
What is 2.0g/mL?
Mixtures are different from compound because
Mixtures are physically separated/combined
Compounds are chemically separated/ combined
A pure substance that CANNOT be broken down chemically
What are elements?
The ice cream melted
What is physical сhange
Made up of all the same atoms; H, Pb, Ti are examples of this.
What is an element?
You have a slice of pizza. You take a few bites of the slice of pizza. Did the density of the pizza change?
No! The mass changed because you ate it, and the volume changed because you ate it, but that keeps the density the same.
The sign of a chemical change when a solid substance is created while two liquids are being formed is a....
What is a precipitate(solid)?