What is the first thing you do when you get into the lab??
What is put on your safety glasses!!
100
Which is a property of water?
a. Clear and wet
b. Liquid, solid and gas
c. Odorless and Tasteless
d. Delicious and healthy
What is C. Odorless and Tasteless
100
Explain the property of surface tension
What is the water molecules are attracted to each other creating a skin or layer on top of the water
*BONUS* Why are they attracted??
100
What equipment do you use to accurately measure liquids in mL?
What is a Graduated Cylinder
100
What is the Formula to calculate Density?
What is D=M/V
200
What is the procedure if something is broken in the lab?
What is immediately tell the teacher, use a dust pan and broom to clean up the glass and throw the glass in the glass box
200
The Freezing point of water is _______ degrees Celsius
What is = 0 degrees C.
200
A solution that can still dissolve substances is called a _______ solution
What is Unsaturated
200
To heat liquids gently you use the ______.
What is Hot Plate
200
In the formula, "D" represents ________, "M" represents _____ and "V" represents ___
What is D=Density, M=Mass, V=Volume
*BONUS* We measure Mass in ________ and Volume in ______
300
How do you properly and safely light the burner in the lab?
What is use the Bunsen burner, light the match, turn on the gas, come at it from the side and blow out your match.
*BONUS* why do you blow your match out??
300
_________ degrees C. is the boiling point of water
What is 100.
*BONUS* that is at sea-level. What is it here in Casper?
*BONUS BONUS* WHY??
300
A saturated solution is _______________________
What is a solution that can no longer dissolve substances (the sponge is full)
300
To heat things rapidly with a flame you use the ______.
What is Bunsen burner.
*BONUS* What is the hottest part of the flame??
300
What is density??
What is How close together the molecules are- the closer they are the more dense the object/substance
400
Do you add water to acid OR acid to water??
What is Add Acid to water
*BONUS* WHY???
400
The melting point of water is ___________ degrees C.
What is =0
*BONUS* the melting point and freezing point are the same. What is this "zone" called?
400
Rock candy is an example of a ________ solution
What is Super-Saturated solution
*BONUS* What is a super-saturated solution?
400
What equipment did you use to clean your dirty water?
What is an filter paper, Erlenmeyer flask, funnel, rubber-tubing, test tube, Hot Plate, and pH paper
400
Calculate the Density: a liquid that has a volume of 18.2mL and a mass of 18g
What is 0.99g/mL
500
When adding water to an experiment, what type of water do you use (unless instructed that it's ok not to)?
What is Distilled water
*BONUS* WHY??
500
H2O = ____________?? (what does H20 stand for??)
What is water's chemical formula
*BONUS* ppm =________________
ppb= __________________
500
What would the molecules look like in each of the 3 phases of water? (Solid, liquid, gas)
What is Solid: tightly compacted together vibrating in place
Liquid: Farther apart flowing together
Gas: Far apart going very fast
500
How do you accurately measure the mass of something?
What is use a scale and a weighing boat-put the boat on the scale, tare the scale to Zero it out, then add your substance