Our independent question was how does sound echo? We already knew that sound travels in vibrations.
We read an article that explained how sound doesn't exist in space because there is nothing for the sound to bounce off. After reading the article we realised that sound echoes on Earth because it bounces off objects.
In the experiment on the video sound is bouncing off the ruler and causing vibrations which is making the sound.
From Jamie and Sam
Welcome Parents, friends and family of Room 2. We are a Year 3 and 4 class at Hawea Flat School, New Zealand. Please enjoy our blog, leave comments and share our success.
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