The birth of a small rainbow
Punch more than 20 holes in the plastic bottle cap with sewing needle, fill it with water and cover the bottle cap. Turn your back to the sun, gently squeeze the bottle and let the water mist spray into the sky. You will be pleasantly surprised to find that a small rainbow blooms in front of you!
Why is there no rainbow?
Punch another bottle cap with an awl and repeat the above steps. But this time, you may find that there is no rainbow in the light rain under the bottle cap. Why is this? Let's explore together!
A journey of scientific exploration
The journey of scientific exploration is full of endless surprises and fun! In this activity, children feel the charm of science through guessing, design, practice and verification. As guides, we should encourage children to be full of curiosity, explore the unknown world bravely, and let their scientific dreams soar freely in this vast sky!