Using Lab Equipment Effectively

Which piece of equipment is used to measure liquid volume accurately in a chemistry lab?

• Centimeter ruler

• Burner

• Four-beam balance

• Graduated cylinder

What should you always do first when using the four-beam balance?

• Place the object directly on the pan

• Zero out the balance

• Add chemicals to the pan

• Start with the smallest beam

Why should you not place a graduated cylinder on the four-beam balance?

• It is too heavy

• It can tip over easily

• It is not accurate

• It can break the balance

When reading a graduated cylinder, where should you look to get an accurate measurement?

• The top of the liquid

• The side of the cylinder

• The bottom of the meniscus

• The middle of the liquid

What is the purpose of the air vent adjustment on a burner?

• To control the gas flow

• To adjust the flame height

• To adjust the flame quality

• To turn off the burner

What should you do before lighting the burner?

• Turn off the gas

• Adjust the air vent

• Place the burner at the edge of the table

• Inform everyone at your table

What is the hottest part of the flame called?

• The base

• The tip of the blue triangle

• The middle

• The outer edge

On which side of the ruler should you measure in a chemistry class?

• Inches side

• Centimeter side

• Both sides

• Neither side

When measuring with a centimeter ruler, where should you start?

• At the very end of the ruler

• At the middle of the ruler

• At the 0 cm line

• At the 1 cm mark

How many decimal places should you record when measuring with a centimeter ruler?

• Four

• One

• Two

• Three