BJU 10 Biology Chapter 2

Temperature is a measurement of

• the amount of matter in an object

• how much energy an object has

• the amount of chemicals

• the speed of moving particles

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NGSS.MS-PS1-4

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A compound held together by opposite electrical charges in a(n)

• covalent

• ionic

• molecular

• electrical

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Covalent compound form when atoms ______________ electron

• share

• gain

• lose

• exchange

The attraction of one water molecule for another is known as

• cohesion

• adhesion

• polarity

• none of these

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organic compounds all contain the element

• hydrogen

• carbon

• nitrogen

• oxygen

A reason why carbon is important to life is because in helps for graphite and diamonds

• TRUE

• FALSE

The main purpose of carbohydrates for living things is for

• fuel

• storage

• information

• body coverings

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When a peptide bond forms between two amino acids, ____ is released.

• water

• carbon dioxide

• an amine group

• glucose

Chemistry is the study of matter and the charges it experiences

• TRUE

• FALSE

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NGSS.HS-PS1-3

The smallest part of a covalent compound is a formula unit

• TRUE

• FALSE

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NGSS.MS-PS1-1