Specific Heat and Gas Laws Review

The symbol for specific heat is .......

• c
• Q
• m
• t

Tags

NGSS.MS-PS3-4

A high specific heat means...

• It heats up quickly with energy added
• It requires more energy to change temperature

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

What  is the formula to calculate heat energy required to raise the temperature of any substance?

• Q=mc∆t
• Q=mc
• Q= ½mv
• m=QC

Tags

NGSS.HS-PS3-1

The specific heat of platinum is 0.133 J/g°C. How much heat(Q) is released when a 10 g piece of platinum cools from 100°C to 50°C?

• 66.5 J

• 665 J

• 0.0266 J

• 0.665 J

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A pot of 2400g of water at a temperature of 25˚C is heated on a stove until the water boils (100˚C).  The specific heat of water is 4.18 J/(g˚C).
Determine the heat energy needed to heat the water in the pot to boiling.

• 133.76J
• 43,062.2J
• 752,400J
• 1,003,200J

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which line segment represents an increase in potential energy and no change in average kinetic energy?

• AB

• BC

• CD

• EF

Tags

NGSS.MS-PS3-2

If the Hab on Mars were made of a flexible material and the temperature in the Hab decreased because the heaters malfunctioned, how would the volume of the hab change?

• increase

• decrease

• stay the same

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the definition of conduction?

• When heat is transferred from rays of light

• When heat transfers from objects that are touching.

• a hot liquid or air that expands, becomes less dense, and rises or becomes more dense, and sinks.

• When heat transfers through the heater or AC in your house.

Which is an example of radiation?

• boiling a pot of noodles for dinner

• getting hot from lying in the sun

• feeling warm while taking a shower

• burning yourself after touching a hot plate

How does heat move?

• from a warmer to a cooler object

• from a cooler to a warmer object

• toward a hot object

• away from a cold object

Tags

NGSS.MS-PS1-4