About Matter
What is the densest state of matter?
Solid
Gas
How high from sea level
Altitude
Explain when magnets repel and when they attract
Repel- The two of the same poles are next to eachother
Attract- When the opposite poles are next to eachother
What is weathering
When an outside natural force breaks down something
As altitude is higher what happens to the oxygen
It becomes less
Tell me about the volume and shape of a solid
Has a permanent volume and shape
How tightly atoms are packed into a space is called
Density
North and South
What is erosion
The movement of a weathered material
What are the three parts of an atom
Proton, neutron and electron
Tell me about the volume and shape of a liquid
Has a permanent volume but not a permanent shape
The force pushed on an object is called
Pressure
Magnets and the earth has this to keep us from burning up from the suns radiation and solar flares
Magnetic field
What are three factors that can hurt soil
Erosion:
Deforestation:
Overuse of Chemicals:
Over Farming:
Pollution:
Compaction:
Urbanization:
At what degree in celcius does water become a solid, Liquid and gas
Solid 0
Liquid-1-99
Gas- 100
What is the chemical components of water and how many of each are there
H2O
2 Hydrogen 1 oxygen (accidentally typed the opposite in class)
The amount of space something fill is called
Volume
How can a substance become magnetic
What are three signs of healthy soil
nutrients, air, minerals, moisture, and life