WorksheetsPost Christmas review (Unit 2 L1-4) & Expectations)
Total questions: 14
Worksheet time: 7mins
Is this an example of a heterogeneous or homogeneous mixture?
Heterogeneous
Homogeneous
Neither!
When dissolving sugar in water, what is the sugar called?
The solvent
The solute
The solution
The Substance
When dissolving sugar in water, what is the water called?
The solvent
The solute
The solution
The Substance
When dissolving sugar in water, what is the resultant mixture called?
The solvent
The solute
The solution
The Substance
Which of the following is NOT a property of matter?
Malleability
Length
Color
Density
In a lab, what do you do if you break a beaker or other glass tool?
Hide it.
Clean it up carefully.
Tell the teacher immediately.
Wait till the lab is over and clean it up.
Helping to clean up the lab or classroom is the job of:
The Teacher
The Team leader
The next class
Every student in the group
Disturbing other groups during the laboratory or playing around in the lab is:
Helpful
Poor Manners
Dangerous
The quickest way to complete the lab.
What is the correct procedure to follow when smelling the odor of a chemical substance?
Stick your nose in the container and smell deeply.
Hold the container a few centimeters away and wave (waft) the smell towards you.
Have someone else smell it.
You should never smell anything in a lab.
When is it ok to taste or eat lab materials?
When you know what it is.
When it is food.
Never!
Only when it's really good and your really hungry.
If you are not sure what to do during a lab activity:
Guess
Change lab partners
Sit quietly and do nothing.
Ask the teacher.
You should be sure equipment is clean:
Before you use it
After you use it.
You don't need to worry about clean equipment.
Before AND after you use it.
When we are running a lab, you should wear:
Sandals
Close-toed shoes
Open-toed shoes
No shoes
What is melting point?
The Temperature at which a substance completely turns into a liquid.
The Temperature at which a substance completely turns into a solid.
The Temperature at which a substance begins to turn into a liquid.
The Temperature at which a substance turns into a gas.
