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Chemistry

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Christop Erdman

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Cards in this guide (15)
What is the characteristics of an organism

The characteristics of living organisms are all organisms are made up of cells and they grow. Living organisms reproduce and also consume energy. They also respond and adapt to their environment.

What is the law for conservation energy

It is a law that states that the total amount of energy in a system is always the same, and that energy cannot be created or destroyed

What is the definition of organism

any living thing
An organism is a living plant or animal.

Which term best describes the result of a new species evolving from an existing species
How does food provide a source of energy for living things

The breakdown of food molecules releases energy to cells.

16 Why is the state of matter a physical property and not a chemical property

Because in a chemical reaction atoms are rearranged to form new substances whilst in a physical reaction or change of state the atoms are only rearranged. :D

Do members of the same species have the same phenotype

No they do not. think of all different types of dogs, a great dane could mate with a little beagle, because they are all the same species. they have gamete compatabilty. the look different from each other but they are the same species. Looks dont matter

Why is drug testing on humans good

Human drug testing is good because it allows scientists to see the effects of the drugs how to use them and how not to use them. There isn't really a big risk in human drug testing, how many people do u know how have died of human drug testing ??

Is when a burner gets red hot an example of a chemical change

No it is a physical change

What energy is removed or given off

Light and heat are emitted from an energy source...

What is the ultimate source of energy for every cycle

sunlight

What substance contains the instructions for life

DNA is the substance within every living cell that contains the instructions for life.

What is the force that holds atoms together in a chemical bond

Electromagnetism.

What are the three subatomic particles of a molecule

Molecules contain atoms; only atoms contain subatomic particles.

What kind of change occurs when salt dissolves in water chemical or physical

This would be a physical change.

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