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Laabri

Savvas Chapter 2 -7th Grade Using Mathematics in Science -Modified

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Last updated about 3 years ago
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1.

On what number is the metric system based?

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2.

Which is a common unit of density?

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3.

Which of the following is the middle number in a set of data?

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4.

A low percent error indicates that the result you obtained is

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5.

Which term refers to how close a group of measurements are to each other?

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6.

On which of the following graphs do data points yield a straight line?

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7.

On a nonlinear graph, the data points are never which of the following?

point

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8.

A line graph is used when which of the following is true?

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9.

When doing a science investigation, what should be your chief concern?

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10.

Weight is a measure of how much mass is contained in a given volume.

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11.

The basic unit for measuring volume is the kilogram.

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12.

On the Kelvin scale, water freezes at 0°C and boils at 100°C.

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13.

An object’s temperature is the amount of space it takes up

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14.

Scientists control changes in the responding variable.

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15.

To help you see what the data from an experiment mean, you could use a(n) graph.

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16.

A point that does not fall exactly on a graph line is a(n) anomalous data point.

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17.

Line graphs display data that show how the dependent variable changes in response to the independent variable

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18.

Doing good preparation ahead of time helps you stay safe during science investigations.

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19.

Scientists often rely on a(n) when they cannot obtain an exact number.

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20.

7. A reliable measurement is both and precise.

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21.

10. The significant figures in a measurement include all digits measured exactly, plus one___ digit.

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22.

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

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23.

Which of the following shows the mean with the correct number of significant figures for the numbers 15.6, 14.1, 7.7, 12.9, 12.9?

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24.

All systems have input, ___________________, and output.

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25.

A(n) ___________________ model might include a drawing or a three-dimensional object.

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26.

___________________ is the material or energy that goes into a system.

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27.

Output that changes a system in some way is called __________________.

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28.

A Field is defined as :

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29.

Which of the following are you least likely to see represented by a safety symbol in the procedures of an investigation?

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30.

When an accident occurs, the first person you should tell is any adult not your teacher.

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31.

Safety symbols are pictures that alert you to possible sources of accidents in an investigation.

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32.

Doing good preparation ahead of time helps you stay safe during science investigations.

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33.

Scientists use models to understand things they can observe directly.

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34.

Use the graph to predict the boiling time of water that has a volume greater than 2,000 milliliters.

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35.

Name the 3 parts of any system. For an extra point, name the 4 part that sometimes occurs