A(n) significant figure is an approximation of a number based on reasonable assumptions.
Scientists often rely on estimates when they cannot obtain exact numbers.
Percent error calculations are data that do not fit with the rest of a data set.
Accuracy refers to how close a group of measurements are to each other.
A bar graph can be used to display only numerical data.
A graph in which the data points do not form a straight line is a(n) linear
Line graphs display data that show how one variable changes in response to another variable.
Feedback is a type of input.
Output is what happens in a system.
A complex or simple system can be represented in a model.
A model can show your body’s digestive system.
Scientists can use models to predict stability in a system as a result of a change in output or systems feedback.
When you are doing an investigation with glass beakers, there will always be a safety symbol for heating.
Use plastic gloves when handling hot objects.
Wear safety goggles when you are working with chemicals or sharp objects.
When you handle animals, use plastic gloves.
A(n) fire blanket smothers fires.