Tell students that Activity 1 (Constructing an Argument) of the lesson Will There be Enough Fresh Water? introduces the structure of the scientific argumentation they will be asked to do for the rest of the lesson. Tell students that Activity 1 will give them practice with analyzing a data set and making a good scientific argument from the evidence. Encourage students to review the questions and example best answers provided in Activity 1 before starting on the current activity.

Subjects & Disciplines

  • Earth Science

Learning Objectives

Students will:

  • create a good scientific argument in the context of freshwater availability

Teaching Approach

  • Learning-for-use

Teaching Methods

  • Self-directed learning
  • Self-paced learning
  • Writing

Skills Summary

This activity targets the following skills:

  • Critical Thinking Skills
    • Creating

What You’ll Need

Materials You Provide

  • Computers with Internet connection

Required Technology

  • Internet Access: Required

Background Information

Prior Knowledge

  • None

Recommended Prior Activities

  • None

Vocabulary

claim
Verb

to state as the truth.

dam
Noun

structure built across a river or other waterway to control the flow of water.

discharge
Verb

to eject or get rid of.

dissolve
Verb

to break up or disintegrate.

evidence
Noun

data that can be measured, observed, examined, and analyzed to support a conclusion.

freshwater
Noun

water that is not salty.

salinity
Noun

saltiness.

Partner

Funder

This material is based upon work supported by the National Science Foundation under Grant No. DRL-1220756. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.