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: Stream Investigations :

: back to Schoolcamp curriculum :

(warmer months only) Students conduct a scientific experiment to determine the pollution levels of a local stream. Equipped with nets and buckets, student search the waters for macroinvertebrates, and collect data on physical and chemical properties.

Objectives for the Stream Investigations Lesson

Science Standards Covered by the Stream Investigations Lesson

Grade Four
Scientific Inquiry
A.1 Select the appropriate tools and use relevant safety procedures to measure and record length, weight, volume, temperature and area in metric and English units.
C.3 Develop, design and conduct safe, simple investigations or experiments to answer questions.

Scientific Ways of Knowing
A.1 Differentiate fact from opinion and explain that scientists do not rely on claims or conclusions unless they are backed by observations that can be confirmed.
B.3 Explain discrepancies in an investigation using evidence to support findings.
C.2 Record the results and data from an investigation and make a reasonable explanation.
C.4 Explain why keeping records of observations and investigations is important.

Grade Five
Earth and Space Sciences
C.5 Explain how the supply of many non-renewable resources is limited and can be extended through reducing, reusing and recycling but cannot be extended indefinitely.
C.6 Investigate ways Earth’s renewable resources can be maintained.

Science and Technology
A.1 Investigate positive and negative impacts of human activity and technology on the environment.

Scientific Inquiry
A.1 Select and safely use the appropriate tools to collect data when conducting investigations and communicating findings to others.
B.3 Use evidence and observations to explain and communicate the results of investigations.
C.4 Identify one or two variables in a simple experiment.
C.5 Identify potential hazards and/or precautions involved in an investigation.

Scientific Ways of Knowing
A.1 Summarize how conclusions and ideas change as new knowledge is gained.
B.3 Explain why an experiment must be repeated by different people or at different times of places and yield consistent results before the results are accepted.
B.4 Identify how scientists use different kinds of ongoing investigations depending on the questions they are trying to answer.
C.5 Keep records of investigations and observations that are understandable weeks or months later.

Grade Six
Physical Sciences
C.5 Explain that the energy found in nonrenewable resources such as fossil fuels originally came from the sun and may renew slowly over millions of years.
C.6 Explain that energy derived from renewable resources such as wind and water is assumed to be available indefinitely.
C.7 Describe how electric energy can be produced from a variety of sources.
C.8 Describe how renewable and nonrenewable energy resources can be managed.

Scientific Inquiry
A.1 Explain that there are not fixed procedures for guiding scientific investigations; however, the nature of an investigation determines the procedures needed.
A.2 Choose the appropriate tools or instruments and use relevant safety procedures to complete scientific investigations.
B.3 Distinguish between observation and inference.
B.4 Explain that a single example can never prove that something is always correct, but sometimes a single example can disprove something.

Scientific Ways of Knowing
A.1 Identify that hypotheses are valuable even when they are not supported.
A.2 Describe why it is important to keep clear, thorough and accurate records.

Math Standards Covered by the Stream Investigations Lesson

Grade Four
Measurement Standard
A.3 Identify and select appropriate units to measure: perimeter, area and volume.

Data Analysis and Probability
A.1 Create a plan for collecting data for a specific purpose.

Grade Five
Data Analysis and Probability
F.4 Determine appropriate data to be collected to answer questions posed by students or teacher, collect and display data, and clearly communicate findings.
F.5 Modify initial conclusions, propose and justify new interpretations and predictions as additional data are collected.