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Physical Science

  Standard 1: Properties and Physical Changes in Matter Physical characteristics of objects can be described using shape, size,
and mass whereas the materials from which objects are made can be described using color and texture. The student will engage in investigations
that integrate the process standards and lead to the discovery of the following objectives:

1.1 Matter has physical properties that can be measured (i.e., mass, volume, temperature, color, texture, and density).
Physical changes of a substance do not alter the chemical nature of a substance (e.g., phase changes of water and/or sanding wood).

1.2 A mixture of substances often can be separated into the original substance using one or more of the physical properties.

  Process Standard 1: Observe and measureObserving is the first action taken by the learner to acquire new information about an
object, organism, or event. Opportunities for observation are developed through the use of a variety of scientific tools.
Measurement allows observations to be quantified. The student will accomplish these objectives to meet this process standard.
PS1.1 Identify qualitative and/or quantitative changes given conditions (e.g., temperature, mass, volume, time, position, length)
before, during, and after an event.
PS1.2 Use appropriate tools (e.g., metric rulers, graduated cylinders, thermometers, balances, spring scales, stopwatches)
to measure objects, organisms, and/or events.
PS1.3 Use appropriate System International (SI) units (i.e., grams, meters, liters, degrees Celsius, and seconds);
and SI prefixes (i.e., micro- milli-, centi-, and kilo-) when measuring objects, organisms, and/or events.

  Process Standard 2: ClassifyClassifying establishes order. Objects, organisms, and events are classified based on
similarities, differences, and interrelationships. The student will accomplish these objectives to meet this process standard.
PS2.1 Using observable properties, place an object, organism, and/or event into a classification system (e.g., dichotomous keys).
PS2.2 Identify properties by which a set of objects, organisms, or events could be ordered.

  Process Standard 3: ExperimentExperimenting is a method of discovering information. It requires making observations and
measurements to test ideas. The student will accomplish these objectives to meet this process standard.
PS3.1 Ask questions about the world and design investigations that lead to scientific inquiry.
PS3.2 Evaluate the design of a scientific investigation.
PS3.3 Identify variables and/or controls in an experimental setup (i.e., tested, experimental, and measured variables.
PS3.4 Identify a testable hypothesis for an experiment.
PS3.4 Design and conduct experiments.
PS3.5 Recognize potential hazards and practice safety procedures in all science activities.

  Process Standard 4: Interpret and Communicate Interpreting is the process of recognizing patterns in collected data
by making inferences, predictions, or conclusions. Communicating is the process of describing, recording, and reporting
experimental procedures and results to others. Communication may be oral, written, or mathematical and includes organizing ideas,
using appropriate vocabulary, graphs, other visual representations, and mathematical equations.
The student will accomplish these objectives to meet this process standard.
PS4.1 Report data in an appropriate method when given an experimental procedure or data.
PS4.2 Interpret data tables, line, bar, trend, and/or circle graphs.
PS4.3 Evaluate data to develop reasonable explanation, and/or predictions.
PS4.4 Accept or reject hypotheses when given results of an investigation.
PS4.5 Communicate scientific procedures and explanations.

  Process Standard 5: Inquiry Inquiry can be defined as the skills necessary to carry out the process of scientific or systemic thinking.
In order for inquiry to occur, students must have the opportunity to ask a question, formulate a procedure, and observe phenomena.
The student will accomplish these objectives to meet this process standard.
PS5.1 Use systematic observations, make accurate measurements, and identify and control variables.
PS5.2 Use technology to gather data and analyze results of investigations.
PS5.3 Review data, summarize data, and form logical conclusions.
PS5.4 Formulate and evaluate explanations proposed by examining and comparing evidence, pointing out statements that go beyond evidence,
and suggesting alternative explanations.


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