Taiga forests of the Northern Hemisphere are generally composed of this type of tree not deciduous

Sounds sweet but it's actually an electronic footprint that allows websites to monitor a user's online movements

(Kelly of the Clue Crew demonstrates.) A spin device can cool a warm drink fast by spinning liquid from the center to the cold outer edge of the can speeding up this heat-transfer process also used in many ovens

It's the second-largest part of the brain

The third & last period of the Mesozoic era

It's a substance that accelerates a chemical reaction without itself being affected

It's a process such as nuclear fission in which the result of one event triggers another usually of the same kind

African-American chemist Percy Julian invented a synthetic form of this adrenal hormone & miracle drug

This intestinal disorder is named for an American gastro-enterologist

This early form of Homo sapiens coexisted with Neanderthals but there is little evidence of interbreeding

The sandhill type of this tall wading bird breeds from Alaska to Hudson Bay

(Jimmy of the Clue Crew swishes a quarter inside an inflated baloon.) The quarter inside the balloon continues in a circular motion because the balloon is imposing this inward force from the Latin for seek the center

Originally this unit of measure was the amount of radioactivity given off by one gram of radium

This type of particle accelerator utilizes a spiraling path

The name of this class of mollusks comes from Greek words meaning head foot

No kidding the name of this type of wispy cloud is from the Latin for curl

It's another name for a canine tooth

(Jimmy of the Clue Crew performs a physics demonstration.) When I swing a bucket of water it doesn't spill because of this force that pulls it in the center and keeps it from following its path of inertia

The earliest period of the Paleozoic Era it extends from about 542 to 488 million years ago

(Sarah of the Clue Crew does a demonstration with some falling water.) The two streams of water form one because water molecules are so attracted to each other that when they come near they stick together a uniting action known as this

Amphibians & fish are described as being poikilothermic more popularly called this

The Gutenberg Discontinuity is the boundary that separates the Earth's mantle from this part

The one named for Max Planck is 6.6260755 X 10 (to the negative 34) joule-second symbolized simply h

Simple ones are classified as monosaccharides

In order to duplicate itself in cell division one of these splits into 2 identical strands called chromatids