Energy and Specific Heat

heat energy traveling through space is an example of _____

• convection
• density
• radiation
• conduction

Walking on the warm sand sand with your bare feet.

• conduction
• convection
• radiation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Warm air rises and the cool air sinks.

• conduction
• convection
• radiation

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Can heat be created or destroyed?

• Yes
• No
• Only when things are cooling off
• Only when things are warming up

Heat is the movement of ______.

• radiation
• thermal energy
• cold
• fire

Tags

NGSS.HS-PS3-4

The way heat moves in liquids and gases is called _______.

• convection
• radiation
• conduction
• temperature

A 15.75-g piece of iron absorbs 1086.75 joules of heat energy, and its temperature changes from 25°C to 175°C.  Calculate the specific heat capacity of iron.    

• 0.46 J/gx^oC
• 1.654 J/gx^oC
• 2,567,446.875 J/gx^oC

Tags

NGSS.HS-PS3-1

 How many joules of heat are needed to raise the temperature of 10.0 g of aluminum from 22°C to 55°C, if the specific heat of aluminum is 0.90 J/gx°C?    

• 297 Joules
• 0.003 Joules
• 297 J/gx°C
• 0.003 J/gx°C

Tags

NGSS.HS-PS3-1

A 0.3 g piece of copper is heated and fashioned into a bracelet.  The amount of energy transferred by heat to the copper is 66,300 J.  If the specific heat of copper is 390 J/g ⁰C, what Is the change of the copper's temperature? 

• 566.7 °C
• 77,571,000 Joules

Tags

NGSS.HS-PS3-4

When a  piece of aluminum foil is taken out of the oven and cools from 100° to 50°, What is the change in temperature?

• 50°
• 0°
• 100°
• 150°

Tags

NGSS.HS-PS3-4