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Chemistry

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Arnaldo Bergnaum

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Cards in this guide (11)
All organisms are made up of one or more what

All organisms are made up of one or more cells. Organisms are a contiguous living system, such as plants and bacteria.

What is the purpose of having a control in an experiment

Having a control in an experiment allows you to see what happens when no variables are changed. If you do not have a control, you do not have anything to compare your results with after changing variables of the experiment.

What is the atomic mass number of an isotope that has an atomic number of 5 and includes 6 neutrons

The answer is 11

What is true of an atoms nucleus

negatively charged and takes up most of the atoms space

Takes up most of the atoms mass and is negatively charged

What is true of a physical change

It is something that can be seen, touched, tasted, smelled, or observed in some way.

What are the different numbers of neutrons called when two atoms have the same number of protons

Two atoms with the same number of protons but different numbers of neutrons are called "isotopes".

A heat wave that causes an organism to move to a cooler climate is an example of a

stimulus

Adaptations give organisms a better chance for

survival

What chemical is formed in a chemical reaction

The chemical or chemicals formed in a chemical reaction are called the product of the chemical reaction.

Who was president when the civil rights act of 1964 act was passed

Lyndon B. Johnson

The study of living things and their environment is called .

Biology

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