Unit Conversions and Sig Figs
What is bigger: a gram or a microgram?
Gram
What is matter?
Anything that has mass and takes up space.
When should you where goggles in the lab?
At all times
Is an element a pure substance or mixture?
Pure substance
Color of Mr. Harris' wife's hair?
Red
How many centimeters are in a meter?
100
What is a physical property?
A characteristic that can be observed without changing the composition of the substance.
Where is the fire blanket in the room?
Underneath the book shelf
Hydrogen Gas (H2). Element or Compound.
Compound
Name of Mr. Harris's son?
Kyler
If something is weighed in ounces on the scale, it must be converted to ______.
Grams
A substance is mixed with something and the mixture starts to fizz. Is this a chemical or physical change?
Chemical
What is the hottest part of the bunsen burner flame?
The top of the bottom blue triangle flame.
Is salt water a homogenous or heterogeneous mixture?
Homogenous
Town that Mr. Harris grew up in?
St. Cloud, Florida.
Convert 157.23 cm to kilometers.
0.0015723 km
List 6 physical properties.
Answers vary
What property of salt helps it be separated from other things?
It dissolves in water.
Is jello homogenous or heterogenous?
Heterogenous
Pick the lie: Mr. Harris is a black belt, Mr. Harris was a state runner up wrestler, Mr. Harris was an all-state football player.
Mr. Harris was an all-state football player
Multiply 175.43g times 75.3 m/s2. Round to the correct amount of sig figs.
13,200 g*m/s2 or N
I cook pancakes on my new blackstone, is this a chemical or physical change?
Chemical
The bunsen burner doesn't work well. Observation or inference?
Inference
Is carbon dioxide a pure substance or mixture?
Pure substance
What school did Mr. Harris student teach at?
MFL Mar Mac