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What are some good science investigations?

What are some good science investigations?

We’ve rounded up a big collection of easy science experiments that anybody can try, and kids are going to love them!

  • Amplify a smartphone.
  • Send a teabag flying.
  • Watch the water rise.
  • Set raisins dancing.
  • Race a balloon-powered car.
  • Crystallize your own rock candy.
  • Repel glitter with dish soap.
  • Blow the biggest bubbles you can.

What is the best experiment for a science fair?

45 Clever Seventh Grade Science Fair Projects and Classroom…

  • Blow hot or cold bubbles.
  • Test out DIY lip balm recipes.
  • Whip up some eggshell chalk.
  • Dive into an exploration of swim bladders.
  • Bake an edible cell model.
  • Determine whether texting is a new language.
  • Swing a glass of water.

What are some good testable questions for a science fair?

These are examples of good science fair project questions:

  • How does water purity affect surface tension?
  • When is the best time to plant soy beans?
  • Which material is the best insulator?
  • How does arch curvature affect load carrying strength?
  • How do different foundations stand up to earthquakes?
  • What sugars do yeast use?

What is a good testable question?

Does changing the height of a ramp affect how far a car will travel? Does the type of liquid affect how fast ice will melt? Does the type of shoe worn during a 20 yard dash affect the speed in which you can run? Does changing the size of a paper airplane affect how far it flies?

Why does sugar not melt ice?

With 45 atoms per molecule, sugar doesn’t separate the water molecules as effectively as smaller, more strongly charged ions, which is why sugar doesn’t lower the melting point as effectively as salt.

Does sand melt ice?

While it does not melt the ice, sand is an abrasive material that increases traction between ice and tires or shoes. Snowplows often spread a mixture of salt and sand when working to deice a road, since the salt will melt ice and the sand will increase the traction for cars.

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