Show:
Earth
Chemistry
Physics
Life
Environmental
100
The theory that the Earth's plates are in slow, constant motion.
What is Plate Tectonics?
100
These are the three main states of matter.
What are solids, liquids, and gases?
100
An object at rest will stay a rest , unless acted upon by an unbalance or external force. This is known as ..
What is Newton's 1st Law?
100
This is the most basic structure of the human body that supports growth and survival.
What is the cell?
100
In environmental science this is what the "Three Rs" stand for.
What are Reduce, Reuse, and Recycle?
200
These currents are responsible for movement of material in the mantle of the Earth. It transfers heat through liquid and gases.
What are convection currents?
200
Rusting, tarnishing, and burning are all this kind of reaction.
What is a chemical reaction?
200
This is the ability to do work.
What is energy?
200
This type of diagram shows how energy is tranferred between many different organisms.
What is a food web?
200
This is the place that an organism lives.
What is a habitat?
300
The phases of the moon depend on
What is the position of the Moon, Sun , and Earth ?
300
A substance that can not be broken down into smaller parts.
What is an element?
300
Every action has an equal and opposite reaction.
What is Newton's third law?
300
Tongue, mouth, esophagus, stomach, small intestine, and large intestine are parts of this system.
What is the digestive system?
300
Coal and oil are examples of this type of natural resource.
What are fossil fuels or non-renewable resources?
400
How long is a solar day ?
What is 24 Hours ?
400
What are Helium, Argon , Radon, Neon, Krypton, Xenon on the periodic table ?
What are the Noble Gases?
400
A fan converts electrical energy into this type of energy.
What is mechanical energy?
400
A physical or behavioral trait that helps an organism survive.
What is an adaptation?
400
This is the maximum number of organisms that an environment can support.
What is carrying capacity?
500
When the earth is tilted toward the sun, this is the season that the Northern Hemisphere is in.
What is Summer?
500
Two or more elements combined in a set ratio chemically.
What is a compound?
500
Lever, inclined plane, pulley, wedge, wheel and axle are examples of what ?
What are simple machines?
500
This maintains homeostasis and fights disease in most organisms.
What is the immune system?
500
When heat is trapped by carbon dioxide in the atmosphere.
What is the Greenhouse Effect?