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Chemistry
All About the Base!
Cells!
"Eu" Means True
Scrambled Up
100
This is a pure substance that consists of one type of atom only.
What is an element?
100
This is used to measure how acidic or basic a substance is.
What is pH?
100
He was the first person to use an early microscope to observe cork cells.
Who is Robert Hooke?
100
Organisms whose cells contain a nucleus.
What are eukaryotes?
100
Specialized organs also called "little organs."
What are organelles?
200
This is a substance formed by the chemical combination of two or more elements in definite proportions.
What is a compound?
200
These substances have a pH of 0-6 and have high concentrations of H+ ions.
What is an acid?
200
He was the first person to observe pond water has tiny living things.
Who is Anton van Leeuwenhoek?
200
Organisms whose cells do not contain a nucleus.
What are prokaryotes?
200
This is the portion outside the nucleus.
What is the cytoplasm?
300
This is the smallest unit of most compounds.
What is a molecule?
300
These substances have a pH of 8-14 and have low concentrations of H+ ions.
What is a base?
300
These are the basic units of life.
What are cells?
300
An example of eukaryotes.
What are humans and animals?
300
Process that changes one set of chemicals into another.
What is a chemical reaction?
400
This is the most abundant compound in living things.
What is water?
400
Lemon juice has a pH of 2. It is considered to be this on the pH scale.
What is an acid?
400
There are two types of organisms classified based on whether their cells contain a nuclei. The two types of organisms are:
What are prokaryotes and eukaryotes?
400
Example of prokaryotes.
What are bacteria?
400
Main source of energy used by living things.
What are carbohydrates?
500
These are the two elements that make up table salt.
What is sodium and chlorine?
500
Ammonia has a pH of 11.6. Ammonia is considered to be this on the pH scale.
What is a base?
500
DAILY DOUBLE The cell theory is composed of three parts. These parts state:
What is all living things are composed of cells, cells are the basic units of structure and function, and new cells are produced from existing cells.
500
DAILY DOUBLE These are the main differences between prokaryotes and eukaryotes.
What are: Eukaryotes- contain nuclei, more complex, have organelles Prokaryotes- No nuclei, smaller, less complex, no membrane bound organelles.
500
In the chemical equation, CO2 + H2O---> H2CO3, H2CO3 is the?
What is reactant?