Physical & Chemical changes
A type of change that creates a new substance
What is a chemical change ?
The symbol Cl represents this common element found in swimming pools.
What is chlorine?
These substances are made of one type of atom and are found on the periodic table.
What are elements?
Energy cannot be created or ___________.
What is destroyed?
What is the largest object in our solar system?
What is the sun?
Evidence of this type of change include an unexpected color change and gas being produced.
What is a chemical change ?
Is 4Na2 an element or a compound?
What is an element ?
Aluminum is an example of which type of element?
Metalloid , Nonmetal, Metal
What is a metal?
This is another term for heat energy?
2 words
What is thermal energy?
What is the 5th planet from the sun?
What is Jupiter?
During this chemical reaction iron atoms are exposed to oxygen and form the substance ______.
What is rust ?
How many atoms are in the compound CaCo3?
What is 4?
These substances make up the majority of the periodic table. They are elements that are shiny , malleable and ductile.
What are metals?
This type of heat energy comes from the sun?
What is radiation or radiant energy?
These are large frozen rocks found in space..
What are comets ?
Photosynthesis and Digestion are examples of _________ changes.
What is a chemical change?
How many different elements are in NaHCo3 ?
What are 3 elements?
Oxygen is an example of a ___________.
Metal , Nonmetal , Metalloid?
What is a nonmetal?
This is another word for moving energy.....
What is kinetic ?
These can be found in the center of large galaxies..
2 words
What are black holes?
This type of reaction occurs when two liquids clump together to form a solid.
What is precipitate?
How many different elements are in CH3NaH?
What is 3 ?
These type of substances are semiconductors?
Metals , Nonmetals, Metalloids?
What are metallloids?
This type of energy travels through waves and requires air or a medium to travel through.
What is sound energy?
This is at the edge of our solar system.
What is the oort cloud?