Grade/Year Level
Grade 8 (age of students is 12-13)
Academic Subject
Physics
Topic
Seasons
Duration of Lesson
30 minutes
Learning Objectives
- Identify the causes of seasonal changes on Earth
- Describe the differences between the summer and winter solstice
- Recognize the role of the Earth's tilt and orbit in seasonal changes
Materials
- Globe
- Flashlight
- Construction paper (yellow, orange, and brown)
- Scissors
- Glue
Introduction (5 minutes)
- Ask the class if they notice any changes between the weather of summer and winter
- Discuss what they know about seasons
- Introduce the learning objectives
Main Activity (20 minutes)
Part 1: Earth's Rotation and Revolution
- Explain that the Earth rotates around its axis and revolves around the Sun
- Show the globe and point out the equator
- Demonstrate how the tilt of the Earth's axis affects the amount of sunlight each hemisphere receives
- Use the flashlight to visually demonstrate how rotation and revolution cause day/night and seasonal changes
Part 2: Solstices and Equinoxes
- Explain the difference between solstices and equinoxes
- Use the globe to demonstrate the movement of the Sun during the solstices and equinoxes
- Discuss the significance of the winter and summer solstice
Part 3: Seasonal Changes on Earth
- Explain that Earth's tilt and orbit causes seasonal changes
- Provide examples of seasonal changes in different parts of the world
- Have students create seasonal trees using construction paper and glue
- Cut out the shapes of leaves using the different colors of construction paper
Conclusion (5 minutes)
- Recap the learning objectives
- Allow time for students to ask questions or clarify any misconceptions
- Provide opportunities for further exploration or research on the topic
Assessment
- Observe students during the activity to ensure they are participating and following instructions
- Check the seasonal trees to assess if students understand the differences between the seasons
- Ask students to summarize what they learned about the causes of seasonal changes on Earth