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Book Chapter |
The guiding question of this investigation is, Why can we see the roots of trees that grow near rivers or streams? Roots of trees are usually underground. In this lesson, the goal is to figure out why trees that grow…
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Book Chapter |
The purpose of this assessment probe is to elicit students’ ideas about the conservation of matter. The probe is designed to find out if students conserve matter when salt is dissolved in water. It is best used with…
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Book Chapter |
The purpose of this assessment probe is to elicit students’ ideas about elements and compounds. It is designed to find out how students classify a common substance, water. The probe is best used with students in grades…
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Book Chapter |
This activity is about discovering that water evaporates. On a sunny day, give children buckets of water and wide paintbrushes for painting the outside tables and benches. Have them to also paint something that’s in the…
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Book Chapter |
This activity is for finding out which items absorb water and which do not. Give each child a variety of items to experiment with to see what happens when they put some water on them. Use the word absorb when discussing…
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Book Chapter |
This activity is for discovering what happens when different materials are mixed with water. Give children five cups, each filled halfway with water. Show them the materials you have—sand, salt, sugar, flour, pepper—and…
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Book Chapter |
This activity is for finding out how drops of different liquids behave. Give the children each a piece of waxed paper and ask them to try dropping a small amount of water onto their paper in order to make drops. Ask…
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Book Chapter |
The purpose of this assessment probe is to elicit students' ideas about temperature in the context of phases of matter. The probe is designed to find out if students recognize that the temperature of a substance does…
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Journal Article |
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Journal Article |
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Journal Article |
Water is the most perfect traveller because when it travels it becomes the path itself! — Mehmet Murat ildan
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Journal Article |
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Book Chapter |
In this activity, students will make warm water boil by reducing the pressure inside a syringe
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Book Chapter |
In this activity, students will decompose water by running electricity through inert conductors.
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Introduction to Water Pollution
Book Chapter |
This lesson assesses students’ prior knowledge about groundwater pollution and has students investigate types and sources of water pollution. Note that this introductory activity sets the stage for subsequent learning…
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