by Aurora Lipper | Sep 16, 2013 | Homeschool Science Curriculum Resources, Science Experiments
Let’s learn how to make loud sonic waves… by making an air horn. Your air horn is a loud example of how sound waves travel through the air. You’ll need to play with this a bit to get it right, but it’s worth it! The straw needs to *just* touch the balloon surface...
by Aurora Lipper | Sep 9, 2013 | Homeschool Science Curriculum Resources, Science Experiments
Sound is made by things vibrating back and forth, whether it’s a guitar string, drum head, or clarinet. The back and forth motion of an object (like the drum head) creates a sound wave in the air that looks a lot like a ripple in a pond after you throw a rock in. It...
by Aurora Lipper | Sep 2, 2013 | Homeschool Science Curriculum Resources, Science Experiments
Your voice is a vibration, and you can feel it when you place a hand on your throat when you speak. As long as there are molecules around, sound will be traveling though them by smacking into each other. What’s going on? The rubber band vibrates as you blow across the...
by Aurora Lipper | Aug 26, 2013 | Homeschool Science Curriculum Resources, Science Experiments
Is it warmer upstairs or downstairs? If you’re thinking warm air rises, then it’s got to be upstairs, right? If you’ve ever stood on a ladder inside your house and compared it to the temperature under the table, you’ve probably felt a difference. So why is it cold on...
by Aurora Lipper | Aug 19, 2013 | Homeschool Science Curriculum Resources, Science Experiments
If you can remember thermostats before they went ‘digital’, then you may know about bi-metallic strips – a piece of material made from of two strips of different metals which expand at different rates as they are heated (usually steel and copper). The result is that...
