More Melaninology
Of the epidermis, dermis. or hypodermis, this layer is the closest to the exterior of the body.
What is the epidermis?
A _________ is a transition zone between two different types of air masses.
What is a front?
True or false: Penguins have long flexible necks with many vertebrae.
What is true? (Those skeletons are not what I was expecting.)
Neighboring trees can chemically communicate needs or states of distress and ________ water, sugars, and/or other nutrients via connections made when roots
grow together.
What is share?
Fluffy clouds are formed by circular heating and cooling cycles called __________.
What are convection currents?
Once material leaves the corona at supersonic speeds, it becomes the solar ____, which forms a huge magnetic "bubble" around the Sun, called the heliosphere.
What is solar wind?
Of the epidermis, dermis. or hypodermis, this layer is the closest to the interior of the body.
What is the hypodermis?
More energy from the Sun reaches the Earth near the equator than the poles due to the tilt and also the ____________ of the Earth.
What is the curve or shape of the Earth?
The heart rate of penguins _______ when they are deep underwater helping them preserve oxygen.
What is slows?
In trees (as in other plants), water moves up through the ________ and sugars are transported by the phloem.
What is the xylem?
This cloud is looks fluffy like a cotton ball, has a low altitude, and has a name that translates from Latin to "heap".
What is a cumulus cloud?
Outside the heliosphere is ______ space.
What is interstellar space?
True or false: Everyone can benefit from using sunscreen.
What is true? Excess exposure to the sun’s ray's can damage DNA, as well as collagen and folate.
When the humidity of the air is higher (there is more water in it) it can feel more uncomfortable in the heat. This is because the ___________ of sweat is slower.
What is evaporation?
This special layer of fat helps keep penguins insulated and warm.
What is blubber?
These tiny mouthlike structures in leaves can partially control how much water is lost by a tree.
What are the stoma? (singular "stomata")
This cloud looks like a flat gray blanket and is the lowest cloud in the sky. When it touches the ground, it is called fog.
What is a stratus cloud?
Fusion is when elements ________ to form heavier elements.
What is combine or join or undergo fusion? (It takes four hydrogen atoms undergoing fusion to form a helium atom.)
When a keratinocyte in the epidermis receives increased exposure to UV, a hormone (a-MSH) is released to trigger pigment production. A melanocyte can then stretch out this "false-foot" feature of the cell to transfer melanosomes to back to the keratinocytes which causes tanning.
What is a pseudopodia?
True or false: The barometric pressure would generally be higher in Death Valley than it is at the peak of Denali.
What is true?
Penguins eat shrimp, fish, squid, and these tiny but abundant crustaceans.
What are krill?
As water is lost through transpiration from the leaves, water is drawn up through the ________.
What are the roots? (Xylem could also be correct)
This clouds name means "curl" in Latin and is high up in the sky with an altitude of 18,000 feet or above.
What is a cirrus cloud?
True or false: Though our Sun is a medium-sized star, it could still contain over one million Earths.
What is true? (Our sun can contain around 1,300,000 Earths)
There are no discreet or separate categories for human pigmentation. Like the frequencies of light present in a rainbow, human pigmentation exists on a _________.
What is a spectrum?
True or false: It is more likely to sunny on a low-pressure day than on a high-pressure day.
What is false? During a high-pressure day, air descends, warms, and dries as it reaches the surface-leading to stable, clear skies and dry conditions.
Peguins are _____________ to help them camouflage themselves in the water. When a predator looks down at a penguin from above, they will see black, blending in with the sea. If a predator looks up at a penguin from underneath, they will see white which will blend in with the sky.
What is counter-shaded?
The cambium cell layer annually produces new bark and new wood. Because of this yearly cycle, we can tell the age of trees and mark events in time through the science of __________.
What is dendrochronology? (or the counting of tree rings)
The water droplets inside a cloud scatter and block this making them appear white, grey, or sometimes green.
What is light?
Though a photon can travel at around 300,000 kilometers per second in a vacuum, it takes ______ minutes for light from the Sun to reach Earth, and 1.29 seconds to travel from the moon to Earth.
What is 8?