Is grinding glass physical or a chemical change

Solar energy is energy from the sun that is converted into thermal or energy. a. nuclear b. mechanical c. electrical d. chemical

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false

Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.