Fall '24 Semester Review

Fall '24 Semester Review

Assessment

Flashcard

Science

7th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

The substance in which a solute is dissolved is called?

Back

Solvent: The component of a solution that dissolves the solute.

2.

FLASHCARD QUESTION

Front

What is the transfer of thermal energy through "space" called?

Back

Radiation: The process of heat transfer through electromagnetic waves.

3.

FLASHCARD QUESTION

Front

How many Carbon (C) atoms are in the chemical formula 2Na₂CO₃?

Back

2: The formula indicates there are 2 Carbon atoms.

4.

FLASHCARD QUESTION

Front

How many Sodium (Na) atoms are in 6NaCl?

Back

6: The formula indicates there are 6 Sodium atoms.

5.

FLASHCARD QUESTION

Front

What type of reaction occurs when methane burns with a blue flame?

Back

Chemical: A change that results in the formation of new substances.

6.

FLASHCARD QUESTION

Front

What is a solution?

Back

A homogeneous mixture of two or more substances.

7.

FLASHCARD QUESTION

Front

What is conduction?

Back

The transfer of heat through direct contact between materials.

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