Show:
Chemistry
Earth history
Water
Energy
Vocab
100
K is the chemical symbol for what element
What is potassium
100
Whats a Amber fossil
What is when sap from a tree makes a protective coating around the insect or plant
100
True or false. Water is a chemical element
What is false
100
Solar energy comes from what
What is the sun
100
Product
The out come of combined reactants
200
What is the main gas found in the air we breathe
What is nitrogen
200
What are fossil fuels formed by
What is dead animals and plants
200
What's the solid state of water known as
What is ice
200
If an animal is hit by a turbine does it have a chance to surive
What is no
200
Reactants definition
What substances are put to greater to get a product
300
True or false. Acid has a ph level below 7
What is true
300
What is a mild fossil
What is when an organism leaves an imprint in the sediment and it hardens
300
What are 2 elements that water is made up of
What is oxygen and hydrogen
300
What type of machinery harnesses the electricity of water
What is a dam
300
Define energy
What powers everyday life and operates macnineery
400
What's the center of an Atom called
What is nucleus
400
Fossils are most commonly found in what type of rock
What is sedimentary rock
400
Could the earth surive with out water
What is no
400
What are the 3 renewable energy sources
What is wind and solar and water
400
Homogenous mixture is what
What is there is the same amount of substances equally throughout the mixture
500
Which pure substance is composed of more than one element? A. Gold B. Aluminum C. Water
What is c. Water
500
Found in rocks and are plants and animals of earths past?
What is fossils
500
Ph in water means what?
How acidity or how alkalinity the water is
500
Energy that is bad for the enviroment
What is fossil energy
500
What is a metal
Found in the left side of the periodic table and usually gives away electrons