Does it take more energy to heat up water or less than
most other substances?

If an astronaut takes an object to the moon the following is true (choose only one). a the mass will change but the weight will be the same. b both the mass and the weight of the object will be the same. c the weight will change but the mass will be the same. d both the mass and the weight of the object will change.

Gordon is going for a run through the park, but it is cold outside. the low outside temperature could affect his personal safety.

How can you increase the strength of an electromagnet?