S-quiz Flashcards
Describe several clues that u know if your observing an chemical change give an explmd
Change is mass,temp,deimetions if water got cold and ched to ice
Describe several physical changes that can happen to a sliver spoon why is each a physical change
Can carve the metal into one
List three quantitative charaistics property’s of water explain
Temp; if it bolild
Demotions;goes into a different sized cup
Mass;if it froze and turned into ice(solid)
Explain unic properties of water allow to support life in frozen lakes and pounds during Canadian winters
The ice frezes overtop of the water so the sealift still lives, clean water, food
What does WHMIS stand for
Workplace hazardous material information system
Sketch and describe WHMIS A explosive B poinizens and infection C corrosive D flammable
A ball with lines
B three c going out of a curical with a ring going in it
C acid to hand and to table
D fire
Independent variable
X and stands alone isn’t changed by other variables
How to find density
Mass over volume
Mass units
Volume units
Mass kg,g
Volume gallon,pint, L,ml,
Lead use
Battery,pencil,gun
Sumtums of lead posining
Development delay
Leafing diffucultes
Weight loss
Vomiting
Physical and chemical properties of bike
Physical brittleness
Why does salt melt ice
Ice lowers frezze ing point substances in salt such as calcium potassium magnezium help