Time needed for the activity: | approx 20 minutes |
Students profile/age of the student: | 8-12 years old |
Climate change topic | Extreme weather phenomena |
Connected subject in the curriculum | Science |
Skills and competencies to be developed | critical thinking, content knowledge, teamwork, listening skills, |
Terminology, keywords | Sky, sunset, sunrise |
Teaching techniques and tools: | storytelling, warm-up activities, brainstorming, case study… |
Methodological recommendations for the implementation | In explaining the activity, be patient and always offer additional help when needed |
Materials needed: | – flashlight, – 2-liter pop bottle, – milk, – water |
Materials offered | Story: Just like in the atmosphere, the mixture scatters more of the blue wavelength than any other color. ’ why the sky is blue! At sunrise or at sunset, there is even more scattering taking place due to the angle of the sun. This causes the reds and oranges to scatter into our atmosphere. That’s why our sunsets and sunrises are so colorful! |
Activity description, instructions for teachers
- Fill the 2-liter bottle three-fourths full of water and prop up the flashlight, so it will shine through the bottle from the side.
- Add a teaspoon of milk to the water.
- Put the cap on the bottle and shake to mix up the water and milk.
- What do you see? Keep adding milk until you start to see a blue light that is scattered to your eyes from the mixture.
- Once you see the blue light, add more milk to the mixture until you see more of an orange or red light.
Extreme weather phenomena/ blue sky