rocks and minerals
what is this weathering that involves the breaking of rocks by expansion and contraction.
what is mechanical weathering
what are the most common of the high clouds. They are composed of ice and are thin, wispy clouds blown in high winds into long streamers.
what is cirrus clouds.
who invented miner’s safety lamp and Michael Faraday was his assistant.
what is Humphrey Davy
what simple machine is used to move objects to a greater height.
what is a inclined plane
what is the second layer of the atmosphere
what is the stratosphere
what is this type of rock this is formed by the crystallization of magma at the surface of the Earth
what is igneous rock
what is traditionally defined as a seasonal reversing wind accompanied by corresponding changes in precipitation but is now used to describe seasonal changes in atmospheric circulation and precipitation.
what is a monsoon
who won the 1921 Nobel Prize for Physics for his explanation of the photoelectric effect
what is Albert Einstein
what simple machine is used to change the direction of a force.
what is a pulley
what kind of cloud is found in the mesosphere
what is a noctillucent cloud
what is the name of this accumulation of partially decayed vegetation or organic matter that is unique to natural areas called peat lands, bogs, mires, moors, or muskegs.
what is peat
what weather phenomenon traces its origin centuries back to Peruvian fishermen named the weather phenomenon in reference to the newborn Christ.
what is El Nino
who wrote about optics, and is credited with inventing calculus
what is Issac Newton
what is the name for using simple machines so that the task is easier.
what is mechanical advantage
what is this faint, red electrical discharge that occurs high above a thunderstorm
what is a sprite
what is this rock formed from heat and pressure inside the earth
what is metamorphic rock
what is this belt around the Earth extending approximately five degrees north and south of the equator.
what is the doldrums
who is the British physicist who established the Law of Conservation of Energy and studied with John Dalton at the University of Manchester in 1835
what is James Joule
Two baseballs are fired into a pile of hay. If one has twice the speed of the other, how much farther does the faster baseball penetrate? (Assume that the force of the haystack on the baseballs is constant).
what is four times faster
The region above about 500 km contains mainly oxygen and hydrogen atoms and the second half of this word is sphere
what is the exosphere
what is this upland area bounded by low ground on either side (fault scarps)
what is horst
what is this stream together with its northern extension the North Atlantic Drift, is a warm and swift Atlantic ocean current that originates in the Gulf of Mexico and stretches to the tip of Florida.
what is Gulf stream
This scientist wrote more than 60 works, which included Aphorisms [AF-or-izmz] and Airs, Waters, and Places
Hippocrates
if an object which weighs 10 N is dropped from rest from a height of 4 meters above the ground. When it has free fallen 1 meter its total mechanical energy with respect to the ground is .
what is 40 j
what is this large atmospheric circulation system with the wind flowing clockwise around it in the Northern Hemisphere.
what is a anti-cyclone