A helium balloon rises because helium is dense than air

Combining which of the following substances with germanium will cause the germanium to emit free electrons? A. Bismuth B. Gallium C. Aluminum D. Indium

In this lab you will be given two polaroid sheets with unlabeled transmission axes. How can you tell, when looking through both polaroid sheets at the same time, if the transmission axes are crossed? 1.

This is a strong, short-lived magnet created by a looped electrical current. A force of attraction/repulsion due to the spin of electrons. A piece of magnetic material that retains its magnetic properties after it is removed from a magnetic field.

Kasingkahulugan ng bitak

1. the coastlines of continents fitting together like puzzle pieces was one of the four pieces of evidence for continental drift. true or false? 2. why was wegners theory of continental drift not accepted by the scientific community? a.

The parts of a longitudinal wave that are closet together?

If a basketball travels a distance of 4 meters in 5 seconds, what is its average speed? A. 4 meters / second B. 0.8 meters/second C. 1.2 meters/second D. 5 meters/second

Discuss the correlation or connection between stars with a higher mass and the amount of fuel they have to work with

Which has the same relationship as circle:cylinder? Triangle:sphere, square:window, rectangle:box, pentagon:counter

Which training principle does this scenario represent?