MS-PS2-5
Conduct an investigation and evaluate the experimental design to provide evidence that fields exist between objects exerting forces on each other even though the objects are not in contact.
- Fossils
Identifying ancient trees from their amber
A Swedish teen’s analyses of a sample of amber may have uncovered a previously unknown type of ancient tree.
- Computing
Electricity: Cutting the cords
Engineers are working to charge more wireless gadgets — without relying on cords and plugs.
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