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what is evolution?
Science is a process in which we procure knowledge from empirical data. The data are from what we observe and record with our senses. Science is a systematic study of the world around us based on observations, classifications, and descriptions that c
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what is acids and alkalines?
Acids, bases, alkalis and metals are found in the laboratory and at home. They can be irritant or corrosive and must be handled carefully. How acid or alkaline a chemical is can be measured on the pH scale, using indicators like litmus and universal
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what is adaptation?
the process of change by which an organism or species becomes better suited to its environment.
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what are cells?
the smallest structural and functional unit of an organism, which is typically microscopic and consists of cytoplasm and a nucleus enclosed in a membrane.
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what is a chemical reaction?
A chemical reaction is a process that leads to the transformation of one set of chemical substances to another. Classically, chemical reactions encompass changes that only involve the positions of electrons in the forming and breaking of chemical bon
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what is a atom?
An atom is the smallest constituent unit of ordinary matter that has the properties of a chemical element. Every solid, liquid, gas, and plasma is composed of neutral or ionized atoms. Atoms are very small; typical sizes are around 100 picometers.
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Card 2

Front

what is acids and alkalines?

Back

Acids, bases, alkalis and metals are found in the laboratory and at home. They can be irritant or corrosive and must be handled carefully. How acid or alkaline a chemical is can be measured on the pH scale, using indicators like litmus and universal

Card 3

Front

what is adaptation?

Back

Preview of the front of card 3

Card 4

Front

what are cells?

Back

Preview of the front of card 4

Card 5

Front

what is a chemical reaction?

Back

Preview of the front of card 5
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