How would you measure the volume of a plastic pen? I'm thinking using the water displacement method but I'm not sure. In class we can only use length x widths height and water displacement.

Which of the following is true about the mass of the reactants in a chemical reaction? A. The total mass of the reactants in a chemical reaction will be significantly more than the total mass of the products. B.

If you know the wavelength of any form of electromagnetic radiation, you can determine its frequency because?

Explain the mathematical equation for KVL (The voltage of a circuit through each component in that circuit is proportional to the resistance).

By what primary method of heat transfer does the sun warm the earth?

Describe how gravity aids in the formation of stars

Over the course of a martian year, what are the ranges of the rms speeds of the co2 molecules.

Why is it important that all scientists use the metric system?.

Whay is moon non-lominous body

How many (whole number of) 91 kg people can safely occupy an elevator that can hold a maximum mass of exactly 1 metric ton? A metric ton is 1.000 * 103 kg. Answer in units of people.

Cho is using technological design to build a clock based on the apparent motion of the Sun. Which of the following would be the best measure of success for Cho's clock? A. Cho's clock works even at night. B.