Water Cycle
Physical and Chemical changes
Atoms
Periodic Table
Environmental Impacts
Balancing Equations
Counting Atoms and Elements
100
Name the four forms of precipitation.
What is rain, hail, sleet, and snow.
100
Cutting Paper
What is a physical change?
100
The location of protons and neutrons.
What is inside the nucleus?
100
Columns (up and down) on a periodic table
What are groups or families?
100
The removal of large areas of forests for human uses.
What is Deforestation?
100
Balancing equations follows the Law of what?
What is The Law of Conservation of Matter.
100
Number of elements in C6H12O6
What is 3?
200
The energy source that drives the water cycle.
What is the Sun
200
A change which does not affect the molecular structure of matter; a new substance is NOT formed from the change
What is a physical change?
200
The electrons in the outer energy level
What are valence electrons?
200
Rows on the periodic table (side to side)
What are periods?
200
Increased Carbon Dioxide in the air can lead to this.
What is Global Warming?
200
When balancing equations you may not change this!
What is a subscript.
200
Number of atoms in C6H12O6
What is 24?
300
Areas that collect water underground
What is an aquifer?
300
Rotting Banana
What is chemical change?
300
The maximum number of electrons the 2nd orbital, or energy shell, can hold.
What is 8.
300
Elements in group 1 have only 1 valence electron and are considered this.
What are elements that are considered extremely reactive?
300
Impacts that affect an area for less than 5 years (think flooding, tornadoes, forest fires)
What are short term impacts?
300
To balance equations, adjust these.
What is a coefficient.
300
Number of molecules in 5NaCl
What is 5?
400
Water must do this to return to the air and "start" the water cycle again.
What is evaporate?
400
A change which DOES affect the molecular structure of matter; a new substance IS formed from the change
What is a chemical change?
400
The atomic number is equal to this
What is the number of protons (and electrons) an atom of an element has?
400
Elements in the same group share this.
What are the same number of valence electrons
400
Impacts that affect an area for 5 years or more (think urbanization, deforestation, and polluting)
What are long-term effects?
400
What coefficients balance this equation?
Ag + HCl = AgCl + H2
What is 2,2,2,1
400
Number of atoms in the following equation
2H2O2 --> 2H2O + O2
What is 16?
500
Water does this to form clouds
What is condense.
500
Vinegar reacting with baking soda
What is a chemical change?
500
The mass number of this atom of oxygen
What is 16?
500
Elements in the same periods share this
What are energy levels or shells?
500
Oil spills are considered long term impacts because of this.
What is loss of habitat or possible extinction?
500
What coefficients balance the following equation?
Pb(NO3)2 + KI = KNO3 + PbI2
What is 1,2,2,1
500
Number of atoms of hydrogen in the following equation
2NaOH + H2
What is 4?