The red shift is a phenomenon resulting from ___

A - the gravity effect

B - the doppler effect

C - the Copernicus effect

D - the newton effect

What happens when you double the strength of one of the electric charges? a. the electric force is zero b. the electric force is the same c. the electric force has double the magnitude (2x number) d.

What causes atoms to bond together ?!

When you lift a book from the ground to your desk, what kind of work do you do negative or positive by lifting the book what do you change does the book gain or lose energy what kind of energy

What is the main difference between a gas and a plasma?

Brick, dry soil, paper, and water. If all four substances were exposed to sunlight for the same amount of time, which substance would heat up the fastest?

Which type of radiation has the lowest penetrating ability?

For which one of the following situations will the path length equal the magnitude of the displacement? a A ball on the end of a string is moving in a vertical circle. b A toy train is traveling around a circular track.

A poem on the body system

How many stars, approximately, are in the solar system?

The ends of a magnet where the force is strongest are magnetic