According to Einstein's theory of relativity, how can energy be created?

1. by creating matter

2. by transforming energy into other forms

3. by destroying matter

What type of force holds atoms together in a crystal?

Accreditation is the change of speed and/or of an object

A rhyolite rock has a volume of 9.5 ml, the density of the rock is 2.6g/cm what is the mass of the rock

How did J. J. Thomson's discovery affect the model of the atom? A. It proposed that the positive charge was concentrated in the nucleus. B. It proposed that electrons orbit the nucleus like the planets in the solar system. C.

A city is going to build a small power plant to supply extra electricity. Which of the following is a cost associated with using natural gas that should be factored into the decision? A. Burning natural gas releases greenhouse gases. B.

The transfer of energy between two objects by electromagnetic waves is called

What is the unit of k (spring constant) in SI system?

The teacher prepares 2.50 liters (L) of a salt solution for a class experiment. How many quarts (qt) are in 2.50 L? (1 quart = 0.943 liters)

What is a scavenger give some examples

What is a mealworm a worm, an insect or an amphibian