Midterm 6th grade 2022

( Fill in the blank) Long hair should be ____________ in the laboratory.

• tied back

• cut

• down

• curled

The proper technique for smelling chemicals is ______________

• keeping your nose close to the glassware
• wafting
• to sniff only a small amount
• Trick question; you never are allowed to smell chemicals in class

When is it OK to eat or drink in the lab?

• Always
• Never

What is the name of this metric tool?

• Triple Beam Balance

• Graduated Cylinder

• Massometer

Find the mass.

• 550.4 g

• 559.4 g

• 550.6 g

Find the mass.

• 285.3 g

• 275.5 g

• 275.3 g

Which tool is best used to accurately measure liquid volume?

• Test tube

• Beaker

• Graduated cylinder

• Triple Beam Balance

Where should you read the level of water on the graduated cylinder?

• Level "A"

• Level "B"

• Level "C"

What is the volume of the liquid in the picture

• 35 mL

• 35 grams

• 35 L

What is the chemical symbol for Hydrogen

• H

• He

• Hy

• Hg