In our Temperature lesson plan, students learn how to measure temperature, the proper measurement units, how and why it changes over time, and more. Students practice reading temperatures using both Celcius and Fahrenheit.

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What our Temperature lesson plan includes

Lesson Objectives and Overview: Temperature explores the concepts around the weather and measuring the temperature with degrees. Students will learn about thermometers and how they work. They will also discover the difference between degrees Fahrenheit and Celsius. This lesson is for students in 1st grade, 2nd grade, and 3rd grade.

Classroom Procedure

Every lesson plan provides you with a classroom procedure page that outlines a step-by-step guide to follow. You do not have to follow the guide exactly. The guide helps you organize the lesson and details when to hand out worksheets. It also lists information in the yellow box that you might find useful. You will find the lesson objectives, state standards, and number of class sessions the lesson should take to complete in this area. In addition, it describes the supplies you will need as well as what and how you need to prepare beforehand. For this lesson, gather thermometers, old magazines or other picture sources, colored pencils, scissors, and glue.

Options for Lesson

In the “Options for Lesson” section of the classroom procedure page, you will find several suggestions for activities or ideas to add to the lesson. A couple involve the activity portions. Students could work in pairs or alone for the activities. If thermometers are unavailable, just use the second activity. Another option is to have students use the thermometers (if you have them) to record the temperature outdoors each day for one month. If you teach older students, add a discussion about how to convert from Fahrenheit to Celsius and back again. One more idea is to prepare various bowls of water and other liquids or foods. Have students use a food thermometer to measure the temperatures of each item.

Teacher Notes

The paragraph on this page provides a little extra information on what you can expect from the lesson. You could also teach this lesson at the same time as or before a lesson photosynthesis. Use the lines to write out your thoughts as you prepare.


The Temperature lesson plan includes four worksheets: two activity worksheets, a practice worksheet, and a homework assignment. Each one of these handouts will help students demonstrate their knowledge and will reinforce what they learned throughout the lesson. Use the guidelines on the classroom procedure page to determine when to give students each worksheet.

Worksheet Answer Keys

If you choose to administer the lesson pages to your students via PDF, you will need to save a new file that omits these pages. Otherwise, you can simply print out the applicable pages and keep these as reference for yourself when grading assignments.

Additional information




1st Grade, 2nd Grade, 3rd Grade

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ashley l.

Easiy to teach

I love these lesson plans!!! They are so easy to follow. I am homeschooling this year because of COVID and I was completely lost when it came to teaching and how to. These lesson plans are so easy to follow. They give some nice vocab definitions. The definitions are very easy to explain to the kids and they are easy for them to follow. I highly recommend these lesson plans

fyza h.

Science lectures

I have found both the organization and details provided in these lessons to be of exception quality. There is a lot of free and paid material online but after hours of research, I was thrilled to come across Clarendon learning. Nothing short of a gem and I love the worksheets. You can easily gauge if your child understood the material covered.

Theresa G.

Excellent lessons

I found some good examples of lessons in here that I could adapt to what I needed

Tracy W.

Great Information on Temperature

I used the intro activities and the magazine activity to teach my 1st graders about temperature. While some of the activities were beyond their learning, it would be perfect for 3rd graders, and the activities are geared toward 1st-3rd. Great lesson overall with a good progression.

jenni w.

Lesson Plan on Temperature

The lesson plan on Temperature was very very well done and was extremely helpful in leading this lesson for my ESL class.