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VIDEO OF GOOD PRACTICES

Learning about Wind Energy and How Far a Rocket Can Glide

Learning about Wind Energy and How Far a Rocket Can Glide
The teacher assisting students making rockets out of paper.

DELI SERDANG, NORTH SUMATRA – Gelora SPd, a teacher at SDN 101774 Sampali, showed the grade IV students at SDN 101 775 a toy rocket and asked them: how can rockets glide? Gelora, together with her colleague Hernawati, a teacher at MIS Madinatussalam, was teaching about the use of wind energy during her teaching practice as part of the training in Module 3 for primary schools. When the lesson started, she briefly explained about the use of wind energy.

Then she invited the students to carry out a simple experiment to find out why a rocket can glide. Hernawati helps the students by preparing the tools and materials for the experiments including sheets of paper, glue, selotape, colored paper, post-it notes, and scissors. Then the students made a simple rocket following the instructions on a worksheet and with  assistance from the teacher.

How did they make it? They cut a sheet of paper into two pieces and rolled one of them to form a tube  by glueing the ends of the paper together. The nose of the rocket was made of paper formed into a cone with a pointed tip. The wings were made of colored paper and fixed to the body of the rocket. Each group had to make three rockets of with wings of different sizes, the rockets were made with large wings, medium sized wings, and small wings.

The students launched the three rockets and the distances they glided were measured. The students then compared the results of the first, second, and third flights. They reached conclusions primarily based on the gliding distance of each rocket.

Each student wrote down their own observations. Then in their groups, they exchanged information, and provided feedback to each other. "It turned out that the rocket with large wings glided the farthest distance," reported one of the students in his presentation. (Eka)


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