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Biblioteka

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

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Pitanje 1
1.

On what number is the metric system based?

Pitanje 2
2.

Which is a common unit of density?

Pitanje 3
3.

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

Pitanje 4
4.

A low percent error indicates that the result you obtained is

Pitanje 5
5.

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

Pitanje 6
6.

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

Pitanje 7
7.

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

point

Pitanje 8
8.

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

Pitanje 9
9.

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

Pitanje 10
10.

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

Pitanje 11
11.

The basic unit for measuring volume is the kilogram.

Pitanje 12
12.

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

Pitanje 13
13.

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

Pitanje 14
14.

Scientists control changes in the responding variable.

Pitanje 15
15.

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

Pitanje 16
16.

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

Pitanje 17
17.

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

Pitanje 18
18.

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

Pitanje 19
19.
Pitanje 20
20.
Pitanje 21
21.
Pitanje 22
22.
Pitanje 23
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?

Pitanje 24
24.

All systems have input, ___________________, and output.

Pitanje 25
25.

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

Pitanje 26
26.

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

Pitanje 27
27.

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

Pitanje 28
28.

A Field is defined as :

Pitanje 29
29.

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

Pitanje 30
30.

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

Pitanje 31
31.

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

Pitanje 32
32.

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

Pitanje 33
33.

Scientists use models to understand things they can observe directly.

Pitanje 34
34.

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

Pitanje 35
35.

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