Vocabulary
A characteristic that can be observed or measured without changing the substance
What is a physical property?
The ability to be pounded into thin sheets
What is malleability?
Physical or chemical change:
baking a cake
Chemical change
Combination of 2 or more substances that are not chemically combined
What is a mixture?
Which ocean is the deepest?
Pacific Ocean
A characteristic that can be observed or measured only when atoms rearrange during a chemical change
What is a chemical property?
ability to be set on fire
What is flammability?
Physical or chemical change:
Ice melting into water
Physical change
Formula for density
Density=mass divided by volume
On which continent will you find maple trees and redwood trees?
North America
A single substance, either an element or a compound, with definite composition and properties
What is a pure substance?
The ability to be drawn or pulled into wire
What is ductility?
Physical or chemical change:
Statue of liberty
Chemical change
mixture that appears to be one substance but is actually made of 2 or more (salt water)
What is a solution?
When was Google founded?
1998
when you cannot dissolve anymore solute into a solvent
What is a saturated solution?
Daily Double (earn 2x points if answered correctly)
A substance that is is acidic on the pH scale will have a pH between what numbers?
0-6
Physical or chemical change:
Breaking a piece of chalk
Physical change
the thing you are dissolving into (water)
Order these cities from east to west:
Los Angeles, Philadelphia, Chicago
Philadelphia, Chicago, Los Angeles
The process by which one or more substances change to produce one or more different substances
What is a chemical change?
What is the density? You need to have the correct units
Mass=6g. Volume=2mL
3 g/mL
Name the 4 ways to spot a chemical change.
Change in color
Change in energy
Change in odor
Formation of a gas or solid
the thing you are dissolving (salt)
What is a solute?
What was Nemo's mother's name?
Coral