Chemistry Review Part I

When working in the lab which of the following is allowed?

• Drinking

• Wafting

• Eating

• Chewing gum

Which of the following is NOT considered lab safety equipment?

• Sunglasses

• Apron

• Goggles

• Gloves

If a fire erupts, immediately

• run for the fire extinguisher

• throw water on the fire.

• notify the teacher.

• open the windows.

Identify the piece of lab equipment seen in the image.

• Erlenmeyer Flask
• Graduated Cylinder
• Beaker
• Test Tube

Identify the primary function of the lab equipment seen in the image.

• Mixing liquids
• Measuring liquid volume
• Mixing solids
• Measuring mass

Identify the piece of lab equipment seen in the image.

• Pipets
• Test Tubes
• Forceps
• Scoopulas

A beaker is used to measure volume in which metric unit?

• Milliliters (mL)
• Grams (g)
• Meters (m)
• Kilograms (kg)

To be read accurately, one must place a graduated cylinder on a flat surface and measure at the bottom of the _______________ curve.

• Centrifugal
• Capillary
• Meniscus
• Infinity

A possible explanation to a problem that has not yet been tested. 

• data
• theory
• hypothesis
• fact

Tags

NGSS.HS-PS1-2

This variable in an experiment is the one being deliberately changed by the scientist. 

• dependent variable
• independent variable
• data
• control group

Tags

NGSS.MS-PS2-2