States of Matter
Physical vs. Chemical Change
Elements and More!
CHALLENGE
Frazil Ice
100
The three states of matter
Solid, liquid and gas
100
What is the difference between a chemical change and a physical change?
A physical change the substance changes shape, but remains the same
A chemical change the substance becomes something new
100
Element
100
What is the difference between homogenous and hetereogenous?
Homogenous means it stays the same
Heterogenous means it changes or is different
100
What states of matter are in Frazil Ice?
Solid and Liquid
200
Name all four phase changes
Melting, Freezing, Evaporation and Condensation
200
Chemical or Physical Change?
200
Mixture of Elements
200
What does the fixed point on the graph represent?
Stays the same, does not change
200
What changes are happening in Frazil Ice?
Solid ice is moving on active water
300
How are solids DIFFERENT from liquids?
Solids vibrate in place and are slow
Liquids slide past each other and are medium
300
Chemical or physical change?
300
True or False:
A single element can be a compound
EXPLAIN WHY
False:A compound contains 2 or more elements that are bonded together
300
True or False: Solids move slowly and change their position
False: They do not change their position
300
Name an example of an element, compound or mixture in Frazil Ice
Hydrogen
Oxygen
H20
400
Why are solids characterized as moving the least?
Solids are low in energy and temperature which causes them to be slow moving
400
Provide an example of a physical and chemical change
Up to teacher if correct
400
How is Frazil Ice an example of a compound?
Contains both hydrogen and oxygen in the ice which are two different elements
400
What is melting point?
the point at which the solid turns into a liquid is melting
400
Pick one question on our chart and answer it with your team
Up to teacher if correct
500
How does temperature affect the speed of a particle?
Adding heat speeds the particles up
Removing heat slows the particles down
500
Name an example of a physical or chemical change in Frazil Ice
Up to teacher disgression
500
How can Frazil Ice have both melting and freezing occurring?
Melting- water is moving downstream, heat is added
Freezing- ice blocks are on top of river, water was frozen into a solid
500
Why must we include at least 2 pieces of evidence in our written responses?
To provide clear data that supports our claim
500
Name 1 new thing you have learned about frazil ice
Answers will vary