Thermal Physics

Presentation

•

Physics

•

9th Grade

•

Easy

•

NGSS

MS-PS1-4, MS-PS3-4

Standards-aligned

Billy Cendrawan

Used 27+ times

FREE Resource

66 Slides • 45 Questions

Match

Match the following

solid

liquid

gas

Multiple Choice

Which state of matter is represented in the following diagram?

Liquid

Liquid and gas

Gas

Solid

Multiple Choice

Which of the following states is correct?

Gases cannot be compressed.

Solids are easily compressed.

Gases are easier to compress than solids.

Liquids cannot be compressed or expanded.

Multiple Choice

Define a liquid.

Indefinite shape, indefinite volume

Definite shape, definite volume

Found in stars

Definite volume, indefinite shape

Multiple Choice

Which form of matter has a definite shape and takes up space (has definite volume)?

liquid

solid

gas

clay

Multiple Choice

Why does only the top part of the lakes are frozen?

The top part of the lake freezes due to the presence of hot springs

The top part of the lake freezes due to exposure to warmer air temperatures

The top part of the lake freezes due to exposure to colder air temperatures.

The top part of the lake freezes due to the lake being shallow

Match

Match the following

$27^o\ C$

$0^o\ C$

$-273^o\ C$

$227^o\ C$

300 K

273 K

0 K

500 K

Multiple Choice

Kelvin = Celsius + 273

So K = C + 273

What is K if temperature is 25 deg C

273 K

203K

298 K

0 K

Multiple Choice

K = C + 273

What is Kelvin temperature if Celsius (C) temperature is 20 deg

0 K

20 K

300 K

293 K

Multiple Choice

K = C + 273 or (solve for C) C = K - 273

What is C (Celsius temp) if K = 200

-73 C

0 C

100 C

-40 C

Multiple Choice

C = K - 273

What is C if the K temperature is 100

0 C

-173 C

200 C

173 C

Multiple Choice

What substance was used to study particle behavior in liquids in the 1820s?

pollen

oil

ice

carbon powder

Multiple Choice

Pollen grains suspended in water exhibit Brownian motion. How do they move?

In smooth curves

Randomly

Orderly with a pattern

In straight lines with no change of direction

Multiple Choice

Which of the following does NOT describe Brownian motion?

Open Ended

What did you learn from the simulation?

Type response here

Multiple Choice

A student inflates a balloon with helium then places it in the freezer. The student should expect

the balloon's volume to increase

the balloon's volume to decrease

the balloon's number of molecules to increase

the balloon's number of molecules to decrease

Multiple Choice

If a hairspray can is heated, what can be expected of the pressure of the gas inside the can?

The pressure will increase

The pressure will decrease

The pressure will remain constant

The pressure will equalize

Multiple Choice

Boyle's law shows the volume and pressure of a gas are always ........

inversely proportional

directly proportional

Multiple Choice

Which of the following would increase the (gas) pressure of a system?

Increase the Temperature

Pump in more gas

Decrease the volume

All of these

Multiple Choice

A sample of hydrogen at 1.5 atm had its pressure decreased to 0.50 atm producing a new volume of 750 mL. What was its original volume?

245 ml

345 ml

123 ml

250.mL

Multiple Choice

1. A sample of carbon dioxide occupies a volume of 3.50 liters at 125 kPa pressure. What pressure would the gas exert if the volume was decreased to 2.00 liters?

219 KPa

222 KPa

567 KPa

654 KPa

Multiple Choice

An increase in the volume of a substance when the temperature increases is called ___________________________________.

kinetic energy

thermal expansion

temperature

heat

Multiple Choice

The liquid in a thermometer ______________ as the temperature increases.

expands

disappears

freezes

explodes

Multiple Choice

What happens to the molecules of a solid when it is heated?

Slow down

Speed up

Don't change speed

Shrink

Multiple Choice

Which will heat up faster?

copper

granite

iron

basalt

Multiple Choice

If I heat up 2 pans of water one has 100 mL in it and one has 1000mL. Which one heats up the fastest?

100 mL

1000 mL

They both heat up at the same speed

They cool down.

Multiple Choice

How much energy is needed to raise the temperature of 5.0 grams of lead from 25°C to 35°C? [specific heat (c) = 0.129 J/(g•°C)]

6.45 J/(g•°C)

6.45 J

16.1 J/(g•°C)

d.16.1 J

Multiple Choice

The temperature of a 6.0 g sample of glass changed from 20.0°C to 45.0°C when it absorbed 550 J of heat. What is the specific heat of this glass?

0.27 J/g °C

3.7 J/g °C

130 J/g °C

12 J/g °C

Multiple Choice

What is happening at D?

Liquid changing state into a gas - potential energy of particles is constant

Liquid being heated - kinetic energy of particles is increasing

Liquid being heated, temperature remains constant as there is no energy transfer

Liquid changing state into a gas - temperature of substance remains constant

Fill in the Blanks

Type answer...

Multiple Choice

No bubbles are formed.

boiling

evaporation

Multiple Choice

Happens throughout the liquid

boiling

evaporation

Multiple Choice

Happens at a fixed temperature

boiling

evaporation

Multiple Choice

In boiling, particles of a liquid get more heat energy.

true

false

Multiple Choice

If two objects have different temperatures, heat will flow from the cooler object to the warmer one.

True

False

Multiple Choice

Conduction is the transfer of thermal energy ___________.

in the form of electromagnetic waves such as infrared radiation without the aid of a medium

through a medium without any flow of the medium

by means of convection currents in a fluid (liquid or gas), due to a difference in density

None of the above

Multiple Choice

Which material is the best conductor of heat?

Wood

Plastic

Glass

Steel

100

Multiple Choice

Convection can take place in _________________.

solids only

liquids only

liquids and gases only

solids, liquids and gases

101

Multiple Choice

The diagram shows some rice being boiled in a pan. What is the main methods by which thermal energy is transferred (i) through the metal pan and

(ii) through the water?

(i) conduction (ii) conduction

(i) convection (ii) convection

(i) conduction (ii) convection

(i) convection (ii) conduction

102

Multiple Select

What is convection ? (Choose all answers that apply)

method of transfer of heat in fluids

method of transfer of heat in solids

transfer of heat due to movement of molecules

transfer of heat due to vibration of molecules

103

Multiple Choice

The three cans were all filled with boiling water they were left for ten minutes and then the temperature of the water was measured again. In which can would the water temperature be the lowest?

There would be no difference.

104

Multiple Choice

Infrared radiation cannot pass through a vacumn (T/F)

True

False

105

Multiple Choice

Which of the following is best at reflecting infrared radiation?

Dark, matt surface

Light, shiny surface

Dark, shiny surface

106

Multiple Choice

Which of the following is the best at absorbing infrared radiation?

Dark, matt surface

Light, shiny surface

Dark, shiny surface

107

108

109

110

111

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