Specific Heat

What is the symbol for Thermal Energy?

• q

• t

• m

• C

What unit do you use to measure Thermal Energy?

• J/Kg ºC
• Kg
• ºC
• J

Tags

NGSS.HS-PS3-2

What is the symbol for Specific Heat

• q

• t

• m

• C

What is the equation to measure change in Thermal Energy?

• q=mc∆t

• q=mc

• q= ∆mct

• m=qC

Water has a specific heat of 4.184 J/gºC. Wood has a specific heat of 1.760 J/gºC. What material needs more energy to raise the temperature 1ºC

• Wood

• Water

• Both are the same

Copper, Stainless Steel, Carbon Steel, and Zinc were all heated using the same thermal energy.  What material would be the coolest after being heated?

• Copper
• Carbon Steel
• Zinc
• Stainless Steel

Tags

NGSS.HS-PS3-4

How does heat flow?

• Always from cold to warm
• Always from warm to cold
• Both warm to cold & cold to warm
• It depends on the temperature

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

ΔH value in an endothermic reaction is a positive number.

• True
• False

Tags

NGSS.HS-PS1-4

What kind of equation is this: 2KI + MgCl₂ + 200KJ ----> 2KCl + MgI₂

• Endothermic

• Exothermic

Tags

NGSS.HS-PS1-4

In an endothermic reaction, energy is _________.

• absorbed

• released

Tags

NGSS.HS-PS1-4