Ecosystems
The usual weather in an area over a long time
Climate
Has magnitude and direction
Vector quantity
who studies weather
what is meteorologists
anything that takes up space
Matter
What is the name of element 20
Calcium
The measure of an impact of a human individual or population on the enviroment
What is an Ecological Footprint
Has only magnitude and no direction
Scaler Quantities
Climatology
The study of climate and how it changes overtime
What are atoms
Atoms, smallest pieces of matter with recognizable characteristics of an element
Na3N
Sodium Nitrade
A simple way to show how each living thing gets its food . it shows who eats what
What is a food chain
What is the difference between distance and displacement
Distance is always greater than displacement
Air Mass
The very large mass of air that has the same properties such as humidity and temperature
The atomic mass is equal to the number of:
P+ and n0 in an atom
AlCl3
Aluminum Chloride
A substance that can absorb and retain energy and lighter surfaces reflect energy
Heat sink
What is distance and displacement
Distance- the total length of a path between two points
Displacement- The straight line distance and direction between two points
Weather
Physical conditions of the atmosphere at a specific time and place
What is the difference between Bohr diagrams and Lewis dot structures
Lewis dot diagram: Shows only the valence (outer) electrons around the element’s symbol as dots.
Bohr diagram Shows all electrons in shells around the nucleolus
Substances that contain only one type of atom
Elements
The suns energy only affects a thin layer of air, land and water near Earth's surface
What is a bioshephere
Has speed and direction
Velocity
Earth maintains an energy balance and temperature balance by radiating as much energy into space as it absorbs from the sun
What is known as an energy budget
One produces hydrogen ions and one produces hydroxide ions
Acids and Bases
There are _ periods and _ groups on the periodic table
7 and 18