Science Science Experiments

Simple Radiation And Conduction Experiment

Let’s learn about heat and do a Simple Radiation And Conduction Experiment to learn how heat is transferred from one object to another. This radiation experiments at home is super easy and doable for any homeschooling family. Try this radiation science experiments with preschool, pre-k, kindergarten, first grade, 2nd grade, 3rd grade, 4th grade, 5th grade, and 6th graders! I just love making science click and help kids discover the exciement of experimenting like this radiation heat transfer experiment.

Let's learn about heat and do a Simple Radiation And Conduction Experiment to learn how heat is transferred from one object to another. This radiation experiments at home is super easy and doable for any homeschooling family. Try this radiation science experiments with preschool, pre-k, kindergarten, first grade, 2nd grade, 3rd grade, 4th grade, 5th grade, and 6th graders! I just love making science click and help kids discover the exciement of experimenting like this radiation heat transfer experiment. 

Radiation experiments at home

When we open the oven to get out a pan of freshly baked cookies, we can feel the heat coming out of the oven. We can tell the temperature of the oven is a lot higher than the temperature of the room. If we stand outside in the sunshine on a summer day, we can feel the heat of the sun. We know we can feel heat, but what is heat? This simple radiation experiments at home will allow you to explore radiation and conduction with kids of all ages! Use this heat radiation experiment with preschoolers, kindergartners, grade 1, grade 2, grade 3, grade 4, grade 5, and grade 6 students.

Heat is a type of energy that can be transferred from one object to another. A warmer object will transfer it’s heat energy to a colder object and raise that object’s temperature. Heat can be transferred to objects in several different ways. One way is by radiation, and another is by conduction. Whether you are a parent, teacher or homeschooler you will love this radiation experiments for school or at home!

Transferring Heat By Radiation

When you stand in the sunlight, you can feel the warmth of the sun. The sun can raise the temperature of your skin and body without even touching you. It transfers its heat energy to your skin by radiation. Radiation is the transfer of heat by electromagnetic waves. Electromagnetic waves carry the heat energy from the sun to the earth transferring that heat to whatever object they touch. We can’t see these wave, but we know they exist. We can feel the results.

Transferring Heat By Conduction

Have you ever walked on a sidewalk in the summertime in bare feet? Did the concrete feel warm? The sun transferred its heat to the sidewalk via radiation and caused the temperature of the concrete to rise. When you stepped on the sidewalk, your feet were colder than the concrete so it gave some of its heat to your feet. This is called conduction. Conduction is the transfer of energy from one object to another through direct contact.

Radiation science experiments

Let’s do a simple experiment to demonstrate how radiation and conduction works. To try this radiation experiment for school you just need four supplies:

Materials

  • a toaster
  • a piece of bread
  • butter
  • a butter knife
simple radiation and conduction experiment for kids using a toaster, knife, and bread

Heat Radiation Experiment

For this experiment, you are just going to need a toaster and a piece of bread.

Hold the piece of bread in your hand. Notice the temperature and appearance of the bread. Next, place the bread in the toaster, then start the toaster. Look inside the toaster..

toaster wires are read because electricity is flowing through them and heating them up

Conduction convection radiation experiments

Do you see the red wires? The wires are red because electricity is flowing through them and heating them up. Never touch these wires. The electrical charge is so great you could get electrocuted.

Without touching the toaster, feel the air around the toaster? What do you notice about it? The heat is radiating from the hot wires and increasing the temperature in the air and object around them.

heating radiation from wires transered to the bread and not only increase the temperature of the bread, but made a chemical change to the bread - changing the color and texture

Radiation heat transfer experiment

When the toaster is done and the bread pops up, carefully grab the bread and hold it in your hand. Notice the temperature of the bread. Is is different than when you placed the bread into the toaster? Look at the appearance of the bread. Is the color or texture different than before it was toasted?

The heat radiating from the wires transferred to the bread. This heat transfer experiments show that heat not only increased the temperature of the bread, it caused chemical changes in the bread. We can see this by the color and texture change. The bread turned from white to brown and from soft to crispy.

Conduction Experiment

While that toasted bread from the radiation experiment is still warm, place of pat of butter on the warm toast with the butter knife. Notice what happens to the butter. It should be melting. The toast is warmer than the butter, so it transfers its heat to the butter. This warms the butter past its melting point. This transfer of heat from the toast to the butter is conduction.

I love simple science experiments and projects that demonstrate seemingly complicated concepts. Try this easy experiment at home to explain how heat is transferred to your kids.

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Science for Kids

Looking for lots more fun, science experiments for kids? You’ve GOT to try some of these outrageously fun science experiments for kids! We have so many fun, creative and easy science experiments for elementary age children:

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About the author

Beth Gorden

Beth Gorden is the creative multi-tasking creator of 123 Homeschool 4 Me. As a busy homeschooling mother of six, she strives to create hands-on learning activities and worksheets that kids will love to make learning FUN! She has created over 1 million pages of printables to help teach kids ABCs, science, English grammar, history, math, and so much more! Beth is also the creator of 2 additional sites with even more educational activities and FREE printables - www.kindergartenworksheetsandgames.com and www.preschoolplayandlearn.com

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