Cell phones use shorter lengths of this type of wave, which explains why their signal decreases when you enter a valley or the bottom of a hill.
What are radio waves?
This unit of measure is named after the scientist that first made it useful. Giving the name, it is not the cookie that you might think...
What is a Newton?
What is Mercury? or What is Venus?
This light is the most useful light for growing plants.
What is red light?
This is the visible layer of the Sun's atmosphere.
What is the photosphere?
Water has a pH of this number, neither a base nor an acid.
What is 7?
When you are in a FULL Solar Eclipse, you are under this part of the "umbrella"
What is the umbra?
This species of monkey is the smallest in the monkey world.
What is the Gibbon?
Soft shiny metals, with low melting points.
What is alkali metals?
What is alpha?
What is salt?
This man was the first person to observe a moon orbiting another celestial object in space, besides our own Moon around Earth.
Who is Galileo?
The Okapi, found in the forests of Africa is a more closely related to this animal of Africa, not the Zebra, which most assume it is.
What is a Giraffe?
Earth has this common with the outer planets.
Sir Humphrey Davy is credited for the discovery of this element found on the Periodic Table. The element was named after the town in which it was discovered. Strontian, Scotland.
What is Strontium?
"Give me a lever and a place to stand and I can move the world," said this ancient scientist when developing his principle of displacement and density.
Who is Archimedes?
1950 DA, an asteroid, is charted and planned to collide with this object in space in 2880.
What is Earth?
This type of special appendage is useful to only South American monkeys. Asian and African monkeys do not have them.
What is a prehensile tail?
This Australian organism is the tallest plant is the world, not to mention, only Koalas can eat them.
What is the Eucalyptus?
Looking at this proton, we find that it is not alone. It is surrounded by fifteen other protons, as well as sixteen neutrons. These thirty-two particles make up the nucleus of this particular atom.
What is sulfur?
I kneed to know what the curved surface of a liquid is.
What is a meniscus?
The Big Bang is one of these, a carefully thought-out explanation for observations of the natural world that has been constructed using the scientific method, and which brings together many facts and hypotheses.
What is a theory?
The basic unit of life. Named after a Latin word that means "small room."
What is a cell?
A journey to the center of the Earth and through to the other side, if you could survive, would establish the most accurate measure of this.
What is the diameter?