Why when you rub two objects together they produce

Layla is researching one of the outer planets. So far, she knows only that it is either a gas giant or an ice giant.

What is a sentence for crater

Conversion of the sun's energy from fossil fuels into electricity does not involve: a. coal c. steam b. wind d. turbines

An aluminum rod and a nickel rod are both 5.00 m long at 20.0 degree Celsius. The temperature of each is raised to 70.0 degrees Celsius. What is the difference in length between the two rods (Unit=m) ?

A rock falls from the top of a hill to the bottom. The total energy of the rock at the top isn't the same as the sum of its potential energy and kinetic energy at the bottom which state meant best explains this situation A) some of the rocks energy

Which actions are evidence that a chemical reaction has occurred? Check all that apply. A: a change in color B: the formation of a precipitate C: a clear liquid becoming cloudy D: a change in shape E: the formation of bubbles F: the formation of

Which sphere forms Earth's outermost layer? Atmosphere Biosphere Cryosphere Hydrosphere

an 100kg object traveling at 50m/s collides (perfectly inelastic) with a 50kg object initially at rest. what is the sum of the momentum of both objects prior to the collision?

A train moves at constant velocity of 50km/h. how far will it move in 0.5h?

Which process best describes part of a scientific investigation? O designing a solution O evaluating the conclusion O evaluating the solution O identifying the conclusion