Safety goggles are worn in the laboratory...

• to avoid eye strain.
• to improve your vision.
• only if you don't have corrective glasses.
• any time chemicals are used or glassware is heated.

You want to heat 50 mL of water to the boiling point. Which would be the best setup?

• A 25 mL test tube held above a bunsen burner.
• A 100 mL graduated cylinder placed on a hot plate.
• A sealed 100 mL flask placed on a hot plate.
• A 100 mL beaker placed on a hot plate.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

This is a lava lamp. When the light bulb heats the wax, the wax rises. When the wax cools, it falls. This cycle of rising/falling is an example of:

• Conduction.
• Convection.
• Radiation.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The heat from a hot burner to a pot is transferred by ______.

• convection
• conduction
• radiation

What is the definition of CONDUCTION?

• When heat is transferred from objects like rays of light or electromagnetically.
• a  hot liquid or air that  expands, becomes less dense, and rises or becomes more dense, and sinks.
• When heat transfers from objects that are touching.
• When heat transfers through the heater or AC in your house.

Materials that conduct heat slowly are called

• Insulators
• Instigators
• Alligators
• Conductors

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Which method of energy transfer does not involve movement of matter?

• convection
• conduction
• radiation
• None of the above

Tags

NGSS.HS-PS4-3

A material with a _____ temperature has particles that have a great average kinetic energy. 

• high
• low

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A group of friends gather around a fire to stay warm.

• conduction
• convection
• radiation

Tags

NGSS.MS-PS1-4

A solid rectangular prism has a length of 8 cm, a width of 6 cm and a height of 4 cm. What is the volume of this regular solid?

• 192 cm³
• 18 cm³
• 80 cm³
• 36 cm³