Savvas 6th Grade Chapter 2 Review (Lessons 1-5) - Jennifer Potter | Library

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For which of the following would the kilometer be the most appropriate unit of measure?__________

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Which of the following would you measure using a balance?__________

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Which of the following would you measure using a graduated cylinder?__________

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You measure the length of a string three times and get values of 34.0 cm,
34.1 cm, and 34.2 cm. The actual length is 39.0 cm. What can you say about your measurements?__________

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__________If a shoe box measures 6 cm high, 7 cm wide, and 20 cm long, what is its volume?

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Scientists have developed models for the structure of atoms because__________

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A(n) significant figure is an approximation of a number based on reasonable assumptions.

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Scientists often rely on estimates when they cannot obtain exact numbers.

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Percent error calculations are data that do not fit with the rest of a data set.

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Accuracy refers to how close a group of measurements are to each other.

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A bar graph can be used to display only numerical data.

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A graph in which the data points do not form a straight line is a(n) linear

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Line graphs display data that show how one variable changes in response to another variable.

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Feedback is a type of input.

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Output is what happens in a system.

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A complex or simple system can be represented in a model.

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A model can show your body’s digestive system.

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Scientists can use models to predict stability in a system as a result of a change in output or systems feedback.

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When you are doing an investigation with glass beakers, there will always be a safety symbol for heating.

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Use plastic gloves when handling hot objects.

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Wear safety goggles when you are working with chemicals or sharp objects.

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When you handle animals, use plastic gloves.

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A(n) fire blanket smothers fires.

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A graph is a picture of _______   that allows you to visually analyze and
compare information

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In experiments, scientists make changes to one variable, called the
_______  variable.

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Both linear graphs and _______   graphs can show trends.

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A reliable measurement is both_______  and _______ .

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Temperature and time are examples of _______   variables.

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In experiments, scientists make changes to the independent variable, and the data
they collect show what happened to the_______  variable as a result of
these changes.

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The _______   is the numerical average of a set of data.

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_______ communicate how precise measurements are.

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If certain data are not_______  , they are called anomalous data.

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The _______  of a set of data is the difference between the greatest value and the least value in the set.

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Scientists use models to understand things that they cannot observe__________

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The tick’s life cycle can be shown in a__________

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A system produces a result or__________

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A complex system involves__________

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What should you always do to be safe in the field?__________

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Which of the following rules is important to follow when you are working with chemicals?__________

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What is the first thing you should do in case of a fire in the laboratory?__________