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Lesson Planet: Curated OER

Pinhole Magnifier

For Teachers 5th - 8th
Using a pinhole in an index card, learners of light find that it can be used as a magnifier. 
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Lesson Planet: Curated OER

Noodling Around: Powers of Ten

For Teachers K - 12th Standards
How many noodles long is your classroom? Find out when engineers of all ages explore measurement through the use of pool noodles. With the noodles pre-cut to certain metric lengths, the activities could be used to introduce the metric...
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Lesson Planet: Curated OER

Moire Patterns

For Teachers 9th - 12th
By overlapping combs and window screening and by looking at a printed set of consecutively larger circles, learners observe Moire patterns, which provide a visual of what happens during wave interference. 
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Lesson Planet: Curated OER

Condensation

For Teachers 3rd - 8th
It's time to break the ice! If you are doing all of the lessons in the unit, children have already seen that increasing heat increases the rate of evaporation, but is the opposite true? Does decreasing temperature cause more condensation...
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Lesson Planet: Curated OER

Evaporation

For Teachers 3rd - 8th
This is one in several lessons that explore the relationship between temperature and phase changes of water. After some discussion, elementary physical scientists place wet paper toweling on a hot and a room-temperature water bag and...
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Lesson Planet: Curated OER

Solubility Test

For Teachers 3rd - 8th
Make sure to consult the teacher's handbook, Inquiry in Action - Investigating Matter Through Inquiry, for two demonstrations that can be done to introduce solubility and measuring crystal mass before having the class conduct this...
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Look-Alike Liquids

For Teachers 3rd - 8th
Here is the first of four experiments to differentiate among unknown liquids by their behaviors and properties. Pupils observe how different liquids respond to being placed on plastic and paper, and they take notes about their...
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Temperature Affects the Solubility of Gases

For Teachers 3rd - 8th
Dare your class to drive dissolved carbon dioxide out of carbonated liquid at different temperatures to discover if there is a difference in rate. To make this experiment more sound, have explorers use equally measured amounts of soda...
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Dissolving Different Liquids in Water

For Teachers 3rd - 8th
Not many youngsters realize that solids aren't the only materials that can possibly be dissolved in water. During this investigation, they find out that some liquids can dissolve in water as well. This is part of a unit on solubility,...
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Lesson Planet: Curated OER

Temperature Affects Dissolving

For Teachers 3rd - 8th
Stir chocolate drink mix into hot and cold water to see if there is a difference in how quickly it dissolves. Number three in a six-activity unit on dissolving, this installment investigates the effect of temperature. If you consult the...
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Dissolving a Substance in Different Liquids

For Teachers 3rd - 8th
Second of six lessons in a unit on dissolving, this one focuses on how sugar behaves in different liquids. Learners stir it into water, alcohol, and oil and make observations. This lesson can stand alone, but is best used as part of the...
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Lesson Planet: Curated OER

Defining Dissolving

For Teachers 3rd - 8th
Physical science investigators mix sugar and food coloring into different cups of water and cooking oil to compare how the solid and liquid behave in each. As the introduction to this unit on dissolving, it is relevant.
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Lesson Planet: Curated OER

Using the Combining Test to Identify Unknown Liquids

For Teachers 3rd - 8th
Once investigators have learned how their mystery liquids interact with water during the preceding activity, they now use their observations to identify them. This is an ideal conclusion to the mini unit on the properties of water. 
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Lesson Planet: Curated OER

Using Color to See How Liquids Combine

For Teachers 3rd - 8th
Blue-tinted water is added to unknown liquids that have been tinted yellow to find out how they interact. This is a memorable activity that is part of an investigation on the properties of liquids, which is part of a unit on the...
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Recrystallization Test

For Teachers 3rd - 8th
Crystallize the answer to the question that has been investigated since the first of four lessons: What is the unknown crystal? Pupils have examined, crushed, and dissolved four samples plus an unknown as an exploration of the properties...
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Curious Crystals

For Teachers 3rd - 8th
Crystals are more than meets the eye! Can learners tell them apart simply by observation? As they examine five samples with a magnifier, they find that appearance alone is not enough. This serves as an introduction to a mini unit on...