7th grade - all subjects

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What reference material would you use if you were not sure how to spell a word?

Back

Dictionary: A reference book that lists words in alphabetical order and provides their meanings, pronunciations, and spellings.

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What is a type of government in which citizens select their leaders?

Back

Republic: A form of government in which the country is considered a 'public matter' and is not the private concern of the rulers.

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Which two organ systems work together to control the rate of a person’s breathing?

Back

Nervous & Respiratory: The nervous system sends signals to the respiratory system to regulate breathing rate.

Front

If a map has a scale of 1/2 inch = 16 miles, how many miles apart are two parks that are 2 3/4 inches apart on the map?

Back

88 miles: To find the distance, multiply the number of inches by the scale factor (2.75 inches * 16 miles/0.5 inches = 88 miles).

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What is the average of a group of numbers called?

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Mean: The sum of all numbers divided by the count of numbers.

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What is a thesaurus used for?

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A thesaurus is a reference book that lists words grouped together according to similarity of meaning (synonyms) and sometimes antonyms.

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What is the definition of an encyclopedia?

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An encyclopedia is a comprehensive reference work containing articles on a wide range of subjects, usually arranged alphabetically.

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What is the purpose of an atlas?

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An atlas is a collection of maps, typically used to provide geographical information.

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What is the median in a set of numbers?

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Median: The middle value in a list of numbers sorted in ascending or descending order.

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What is the mode in a set of numbers?

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Mode: The number that appears most frequently in a data set.