Heat Energy and Lab Terminology Review Quiz

What is the process called where heat is transferred through a material without the material itself moving?

• Convection

• Radiation

• Conduction

• Insulation

Which of the following is an example of convection?

• Heating a tin can using a blow torch

• Warming your hands over a fire

• Boiling water in a pot

• Using a heating pad on a sore muscle

Radiation is the transfer of heat energy through:

• Solids only

• Liquids only

• Gases only

• Empty space or any material medium

Thermal expansion occurs because:

• Particles slow down and come closer together when heated

• Particles speed up and spread apart when heated

• Particles change from solid to liquid

• Particles are destroyed by heat

Which of the following is NOT a lab safety rule?

• Always wear safety goggles

• Eat and drink in the lab to maintain energy

• Know the location of the safety equipment

• Report any accidents to the instructor immediately

What is the primary reason for wearing safety goggles in the lab?

• To improve vision

• To protect eyes from chemical splashes

• To look professional

• To keep hair out of the face

Why is it important to know the location of the fire extinguisher in the lab?

• It is a requirement for passing the lab course

• To use it as a doorstop

• In case of a fire, to quickly and effectively respond

• To use it for cooling down reactions

Which of the following materials is the best conductor of heat?

• Wood

• Plastic

• Metal

• Glass

What should you do if a chemical spills on your skin?

• Wipe it off with a cloth

• Rinse with water and inform the instructor

• Ignore it unless it burns

• Apply a bandage

Why is it important to not use glassware that has cracks or chips in the lab?

• It can break easily and cause injuries

• It can contaminate the experiment

• It doesn't look nice

• It can melt under high temperatures