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Activity
It's About Time

More Chemical Changes

For Teachers 7th - 12th Standards
Generate entertainment by assisting students in creating multiple chemical changes during the course of small experiments integrated into one packed lesson. Individuals observe examples of chemical changes as they occur and gather data...
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Activity
It's About Time

Mass and Volume

For Teachers 7th - 12th Standards
Don't be so dense that light bends around you; study the relationship between mass and volume instead. Young chemists measure the density of a variety of liquids and solids. A reading passage and analysis questions introduce pupils to...
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Activity
It's About Time

Competition Among Organisms

For Teachers 7th - 12th Standards
Who knew plants could be so competitive? Join your class as they observe plants competing for space and nutrients. Middle and high schoolers describe possible effects of introducing a new species into an already established ecosystem,...
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Activity
Herff Jones Education

Acids, Bases, and Indicators—Colorful Chemistry

For Teachers 7th - 12th Standards
Lead the class in a colorful exploration of acids and bases as they learn to differentiate between the two. They identify common items considered acidic and basic, then explore their strengths and weaknesses. They titer solutions and...
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Activity
It's About Time

The Nitrogen and Phosphorous Cycles

For Teachers 7th - 12th Standards
How do we affect the ecosystem, and what can we do to preserve it? Pupils explore chemicals that promote and inhibit plant growth, then discuss the importance of nitrogen and phosphorus to the survival of organisms and describe how...
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Activity
It's About Time

Is It Heredity or the Environment?

For Teachers 7th - 12th Standards
Himalayan rabbits are black when raised at low temperatures and white when raised at high temperatures. Young biologists participate in an experiment using seeds to demonstrate the ways the environment can influence an inherited...
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Activity
Herff Jones Education

Chemical Energy

For Teachers 7th - 12th Standards
Provide the class with a quick lesson on chemical energy as they are assisted in creating hot and cold packs to demonstrate energy transfer between objects. They observe the energy change in matter as it transforms and distinguish...
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Activity
International Technology Education Association

Pixel This!

For Teachers 6th - 10th Standards
Did the image I drew match the image you saw? By simulating a satellite and a ground station, teams of two transmit data in the form of pixels in order to recreate an image. They use four different levels of brightness, creating slightly...
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Handout
National Institute of Open Schooling

The Gaseous State

For Students 7th - 12th Standards
Sixth in a series of 36, this lesson focuses on gases and their behavior in given situations. Learners review the states of matter and then focus on gases, specifically learning Boyle's, Charles's, Avogadro's Laws, Dalton's, and Graham's...
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Activity
Herff Jones Education

Reaction Rates

For Teachers 7th - 12th Standards
Equip pupils with tools to determine reaction rates as they explore conditions that cause a reaction to increase or decrease. They also discuss why this occurs and predict the next steps as they take part in a series of experiments. 
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Handout
National Institute of Open Schooling

Colloids

For Students 7th - 12th Standards
Classes explore colloids through readings and questions in lesson 10 in a series of 36. They learn everything from methods of preparation and properties to how to classify colloids. They finish the lesson by seeing how to apply...
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Activity
It's About Time

Making Waves

For Teachers 7th - 12th Standards
Young scientists use Slinkys to better understand waves. After creating and measuring many aspects of waves, they complete a handout and homework questions. The resource also introduces the final project for the chapter, though it does...
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Activity
It's About Time

Properties of Matter

For Teachers 7th - 12th Standards
Never trust an atom; they make up everything! Young chemists make modeling dough and add another ingredient to change the properties. Scholars then compare the properties of emulsion to composite materials. A reading passage and analysis...
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Activity
It's About Time

Identifying Matter

For Teachers 7th - 12th Standards
High schoolers test wood splints that have been soaked in mystery solutions to identify the different colors it produces when lit. The lesson concludes with a reading passage and analysis questions. 
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Activity
It's About Time

Inferences of Waves

For Teachers 7th - 12th Standards
Building on the previous lesson, scholars use Slinkies to create standing waves. They graph waves on a calculator and then apply their knowledge to both sound and light waves. This is the fourth in a series of nine lessons.
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Activity
It's About Time

Elements and Their Properties

For Teachers 7th - 12th Standards
How did ancient scientists classify elements? Answer this question and others as young chemists create a device to test the properties of various elements. They classify elements as metals or nonmetals, learn to differentiate between...
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Activity
It's About Time

Chemistry and Physical Changes

For Teachers 7th - 12th Standards
Engage the class like never before as pupils learn to differentiate between multiple physical and chemical changes by conducting a list of small experiments, most often with household materials. They make observations and discuss the...
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Activity
Re Energy

Build Your Own Biogas Generator

For Students 8th - 12th Standards
What is biogas and how is it made? After examining background information about the sources of biogas and biogas generators, class members follow the provided information and build a biogas generator that can be used in the classroom.
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Activity
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It's About Time

Photosynthesis, Respiration, and the Carbon Cycle

For Teachers 7th - 12th Standards
Provide your class with the opportunity to view our carbon cycle close up. Young scientists research the cycle of oxygen as it completes the tasks of photosynthesis and respiration. They explore the importance of carbon in an ecosystem...
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Activity
It's About Time

Polymers

For Teachers 7th - 12th Standards
All plastics contain polymers, but not all polymers are plastic. Young chemists make their own polymer and compare the properties to those of other states of matter. After a reading passage, pupils answer analysis questions about natural...
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Handout
National Institute of Open Schooling

Chemical Arithmetics

For Students 7th - 12th Standards
Substances with the same empirical and molecular formula must be differentiated by their structural formula. Part two in a series of 36 has pupils using chemical formulas to calculate how much of a compound is present in a given...
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Handout
Curated OER

First Land Plants Found on Earth

For Students 8th - 10th
In this first land plants worksheet, students read about the major events that allowed plants to evolve on Earth. Students read about the primary and secondary atmospheres, the formation of the ozone layer to protect from UV light and...

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