Molecules are groups of atoms connected together. Which substances in the simulation have particles that are

molecules?

What are factors that would change the position of the wave lengths measured? (There are more than one answer.) a) size of the tube b) tuning fork frequency c) distance between the tuning fork and tube d) room temperature e) area of the tube

Why Causes the sun to rise and set

What kind of change is salt dissolving in water

The light reflected from the surface of a pool of water is observed through a polarizer. How can you tell if the reflected light is polarized?

Write the energy transformations that occur in the following cases. {1} Electric motor. {2} Release of an arrow from a bow.

Match these terms with their definitions: 1. unit of electrical resistance ampere 2. unit of electromotive force or electrical potential ohm 3. unit for measuring the strength of an electric current volt 4. unit of electrical power watt

In which is momentum conserved: an elastic collision or an inelastic collision?

List the types of radiation in order from least to most damaging.

Which of the following statements best describes the current state of understanding regarding the apparent acceleration of the expansion of the universe?

Should young people be allowed to do extreme sports? (give me two reasons why) 1. Opinion: 2. Reason why: 3. Reason why: