Savvas 6th Grade Chapter 2 Review (Lessons 1-5)
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Last updated over 2 years ago
40 questions
1
For which of the following would the kilometer be the most appropriate unit of measure?__________
1
Which of the following would you measure using a balance?__________
1
Which of the following would you measure using a graduated cylinder?__________
1
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?__________
1
__________If a shoe box measures 6 cm high, 7 cm wide, and 20 cm long, what is its volume?
1
Scientists have developed models for the structure of atoms because__________
1
A(n) significant figure is an approximation of a number based on reasonable assumptions.
A(n) significant figure is an approximation of a number based on reasonable assumptions.
1
Scientists often rely on estimates when they cannot obtain exact numbers.
Scientists often rely on estimates when they cannot obtain exact numbers.
1
Percent error calculations are data that do not fit with the rest of a data set.
Percent error calculations are data that do not fit with the rest of a data set.
1
Accuracy refers to how close a group of measurements are to each other.
Accuracy refers to how close a group of measurements are to each other.
1
A bar graph can be used to display only numerical data.
A bar graph can be used to display only numerical data.
1
A graph in which the data points do not form a straight line is a(n) linear
A graph in which the data points do not form a straight line is a(n) linear
1
Line graphs display data that show how one variable changes in response to another variable.
Line graphs display data that show how one variable changes in response to another variable.
1
Feedback is a type of input.
Feedback is a type of input.
1
Output is what happens in a system.
Output is what happens in a system.
1
A complex or simple system can be represented in a model.
A complex or simple system can be represented in a model.
1
A model can show your body’s digestive system.
A model can show your body’s digestive system.
1
Scientists can use models to predict stability in a system as a result of a change in output or systems feedback.
Scientists can use models to predict stability in a system as a result of a change in output or systems feedback.
1
When you are doing an investigation with glass beakers, there will always be a safety symbol for heating.
When you are doing an investigation with glass beakers, there will always be a safety symbol for heating.
1
Use plastic gloves when handling hot objects.
Use plastic gloves when handling hot objects.
1
Wear safety goggles when you are working with chemicals or sharp objects.
Wear safety goggles when you are working with chemicals or sharp objects.
1
When you handle animals, use plastic gloves.
When you handle animals, use plastic gloves.
1
A(n) fire blanket smothers fires.
A(n) fire blanket smothers fires.
1
A graph is a picture of _______ that allows you to visually analyze and
compare information
1
In experiments, scientists make changes to one variable, called the
_______ variable.
1
Both linear graphs and _______ graphs can show trends.
2
A reliable measurement is both_______ and _______ .
1
Temperature and time are examples of _______ variables.
1
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.
1
The _______ is the numerical average of a set of data.
1
_______ communicate how precise measurements are.
1
If certain data are not_______ , they are called anomalous data.
1
The _______ of a set of data is the difference between the greatest value and the least value in the set.
1
Scientists use models to understand things that they cannot observe__________
1
The tick’s life cycle can be shown in a__________
1
A system produces a result or__________
1
A complex system involves__________
1
What should you always do to be safe in the field?__________
1
Which of the following rules is important to follow when you are working with chemicals?__________
1
What is the first thing you should do in case of a fire in the laboratory?__________