Science Skills - Chapter 1 Vocab

The study of the composition, structure, properties and reactions of matter. Often called the science of change (as in the changes that take place in reactions).

• Chemistry
• Biology
• Physics
• Ecology

The study of living things, or life science

• Biology
• Chemistry
• Physics
• Ecology

A proposed answer to a question. A testable prediction of an experimental outcome or result.

• Hypothesis
• Inference
• Observation
• Variable

Information you obtain through your senses--the first step in the scientific method

• Observation
• Hypothesis
• Prediction
• Accuracy

An experiment in which only one variable, the manipulated variable, is deliberately changed at a time

• Controlled experiment
• Control group
• Experimental group
• Hypothesis

Representation of an object or an event. In science models help explain the behavior, structure or other properties of something under study. Example, there are many computer models being used to try to predict climate change.

• Model
• Variable
• Density
• Inference

a way of expressing a value as the product of a number between 1 and 10 and a power of ten.

• Scientific notation
• Scientific method
• Conversion factor
• Independent variable

Straight line distance between two points

• length
• mass
• volume
• density

The quantity of matter in an object or sample

• mass
• length
• volume
• density

The amount of space taken up by an object.

• volume
• length
• density
• mass