Convection and the Mantle

Slides:

Advertisements

Similar presentations

Introduction: Transfer of Heat

Advertisements

Understanding Heat Transfer, Conduction, Convection and Radiation.

3 Types of Heat Transfer 6th Grade.

Transfer of Energy Energy Transfer Energy is transferred from hotter object to colder object Examples? –Cooking pasta –Making ice –Making popcorn –Roasting.

Detecting Temperature Change. External temperature change Skin is the barrier between our body and the external environment and can be 2 or 3 degrees.

CONVECTION CURRENTS AND THE MANTLE

ATMOSPHERIC HEATING.

Chapter 1-2 Convection and the Mantle.  Heat always moves from warmer to cooler  Three types of heat transfer  Radiation – transfer of energy through.

Heat Transfer (feel your tabletop) Most of these slides were taken from Laura Lemay. and Michael McDowell 1.

 List what they have in common     Temperature- a measure of the amount of kinetic energy in a substance  Heat- a transfer of energy between.

Methods of Heat Transfer Definitions Examples Comparison to heat transfer on Earth that effects weather.

Lesson 2 – Convection and the Mantle

Chapter 2 Weather Factors

What’s so special about convection, conduction, and radiation?

The Movement of Heat Chapter 4 Lesson 19 TCAP Coach.

Remember! Heat is transferred in three different ways:

Section 2:Convection in the Mantle How is heat transferred? What causes convection currents? What causes convection currents in Earth’s mantle?

What is Temperature? Take 5 minutes to talk to your lab partner. Answer the following questionsTake 5 minutes to talk to your lab partner. Answer the following.

Heat Transfer Heat always moves from a warmer place to a cooler place. Hot objects in a cooler room will cool to room temperature. Cold objects in a warmer.

Conduction, Convection, and Radiation Add this to your table of contents. Turn to the next clean page and title it HEAT TRANSFER!

How ‘Heat’ Moves  Define “ Heat ”: Heat is the movement of thermal energy from a substance at a higher temperature to another substance at a lower temperature.

Heat Transfer.  Earth’s molten outer core is nearly as hot as the surface of the sun.  Heat is transferred from the core to the surface of the Earth.

CONVECTION CURRENTS & THE MANTLE. Heat Transfer - The movement of energy from a warmer object to a cooler object Why will this girl burn her hand if she.

Science Chapter 1 Section 3: Convection and the Mantle

CONVECTION: THE TRANSFER OF THERMAL ENERGY BY THE MOVEMENT OF THE PARTICLES FROM ONE PART OF A MATERIAL TO ANOTHER; TRANSFER OF THERMAL ENERGY IN A FLUID.

Thermal Energy and Heat. Temperature The measure of how HOT or COLD and object is.

Conduction, Convection, Radiation

Transfer of Energy

Chapter 1 Section 2: Convection Currents and the Mantle

Radiation – the transfer of energy through space. Heat transfer by radiation takes place with no direct contact between a heat source and an object. Example.

Heat Transfer. Heat is the transfer of thermal energy between substances that are at different temperatures.

CONVECTION CURRENTS & THE MANTLE

How many ways are there to transfer heat? How can thermal energy (heat) be transferred?

METHODS OF HEAT TRANSFER.

Chapter 2 Weather Factors Section 2 Heat Transfer.

Heat Transfer Conduction, Convection and Radiation

Thermal Energy Conduction, Convection and Radiation It’s Okay to Be Smart: No Such Thing as Cold:

Copyright © 2012 InteractiveScienceLessons.com Heat Transfer.

The Transfer of Heat.

Chapter 7 Heat Transfer. Convection Currents and the Mantle What will we learn: 1.How is heat transferred? 2.What causes convection currents?

YOU WALK INTO THE BATHROOM IN YOUR BARE FEET. THE TEMPERATURE IN THERE IS 23C. YOU STEP ONTO THE TILE FLOOR, AND IT FEELS VERY COLD. QUICKLY, YOU STEP.

Thermal energy, temperature & heat Different objects at the same temperature can have different energies. You may be used to thinking about thermal energy.

Convection and the Mantle

Three types of Heat Transfer CONDUCTION CONVECTION RADIATION.

Convection, Conduction, and Radiation

What is Temperature? Take 5 minutes to talk to your lab partner. Answer the following questions What is temperature? How do you decide what temperature.

Bell ringer 1. Copy down daily learning log 2. Copy down homework

Understanding Heat Transfer, Conduction, Convection and Radiation

II)Convection in the Mantle

Convection and the Mantle

CONVECTION CURRENTS & THE MANTLE

Convection and the Mantle

Transfer of Energy.

Thermal Energy Transfer

How heat travels from one place to another…

Conduction Convection & Radiation

How heat travels from one place to another…

Conduction, Convection, and Radiation

Heat Transfers 1.

Introduction: Transfer of Heat

Heat Transfer and the Earth’s Atmosphere

Convection and the Mantle

By: Virginia Wyckoff & Algeria Stevenson

Convection Currents and the Mantle

Introduction: Transfer of Heat

Earth structure and materials

Presentation transcript:

Convection and the Mantle Chapter 3, Lesson 2

Radiation Radiation: Electromagnetic waves that directly transport ENERGY through space. Sunlight is a form of radiation that is radiated through space to our planet without the help of fluids or solids. The energy travels through nothingness! Just think of it! The sun transfers heat through 93 million miles of space.

Because there are no solids (like a huge spoon) touching the sun and our planet, conduction is not responsible for bringing heat to Earth. Since there are no fluids (like air and water) in space, convection is not responsible for transferring the heat. So, radiation brings heat to our planet.

Examples of Radiation Sunlight (radiation that warms Earth’s surface) Heat felt from a flame, like a candle Heat felt from an open fire

Use your glossary. Write the definition for radiation Use your glossary. Write the definition for radiation. Make an Illustration.

Conduction Conduction is the transfer of energy through matter from particle to particle. It is the transfer and distribution of heat energy from atom to atom within a substance. For example, a spoon in a cup of hot soup becomes warmer because the heat from the soup is conducted along the spoon.

Conduction is most effective in solids-but it can happen in fluids Conduction is most effective in solids-but it can happen in fluids. Fun fact: Have you ever noticed that metals tend to feel cold? Believe it or not, they are not colder! They only feel colder because they conduct heat away from your hand. You perceive the heat that is leaving your hand as cold.

Examples of Conduction A spoon in a pot of soup heating up (heat is moving from the hot pot and the hot soup to the spoon) Ice melting in your hand (heat is moving from your hand to the ice cube) Burning your hand by touching a pan from the oven (heat is moving from the hot pan to your hand)

Use your glossary. Write the definition for conduction Use your glossary. Write the definition for conduction. Make an Illustration.

Convection Convection is the transfer of heat by the actual movement of the warmed matter. Heat leaves the coffee cup as the currents of steam and air rise. Convection is the transfer of heat energy in a gas or liquid by movement of currents. (It can also happen is some solids, like sand.) The heat moves with the fluid.

Consider this: convection is responsible for making macaroni rise and fall in a pot of heated water. The warmer portions of the water are less dense and therefore, they rise. Meanwhile, the cooler portions of the water fall because they are denser.

Examples of Convection Soup being heated on a stove (hot, less dense soup rises, cools off, becomes more dense, then is pulled down by gravity and heated again) Heat warming your house (heat being transferred by air out of vents) Heating cold hands by blowing hot air on them Mantle of Earth being heated by core

Use your glossary. Write the definition for convection Use your glossary. Write the definition for convection. Make an Illustration.

All Three!

Convection Currents in Lava Lamp http://www.youtube.com/watch?v=RxYT_R4vjYQ http://www.youtube.com/watch?v=wpDYHnTTatQ

Homework ISN p. 47-Divide your page into 4 large sections by drawing a + (do not include the margin) 1. Label 3 sections: Radiation, Conduction, Convection 2. In each section: a. Write a definition USING THE GLOSSARY OF YOUR TEXTBOOK b. Draw an example (illustration) c. Write an explanation of what is happening in your picture 3. In the 4th section, illustrate how convection currents work in the Mantle and write an explanation