American Chemical Society
Comparing the Density of Different Liquids
Learners will like making a liquid layer cake to investigate the relative densities of various liquids: water, oil, and corn syrup. They will also introduce a few solid materials to find out how their densities compare. Standing alone,...
American Chemical Society
Changing the Density of a Liquid - Heating and Cooling
During a unit on density, pupils ponder whether or not temperature affects this property. By carefully inserting blue cold water and yellow hot water into a room-temperature sample, they will see the answer. Make sure to have done the...
American Chemical Society
Can Liquids Dissolve in Water?
How does food coloring work? Classes watch a demonstration showing liquids dissolving in liquids. In groups, they then explore the ability of other liquids to dissolve in water (alcohol, mineral oil, and corn syrup) by setting up and...
Curated OER
The Earth's Layers
In this earth's layers worksheet, students learn about the 3 different layers of the earth: core, mantle and crust. They then use this information to answer the 16 questions in the packet. The answers are all on the last page.
Curated OER
Layers of the Earth
In this earth science activity, students read about the characteristics of the Earth's layers such as the mantle, core, and crust. They answer 10 mixed type questions using the online application.
Curated OER
Liquids: Floating and Sinking
Third graders conduct an experiment. In this floating and sinking liquids instructional activity, 3rd graders discuss density and investigate it using syrup, vegetable oil and colored water. Students observe the results and complete a...
Curated OER
Saltwater: Nifty Aqueous Colorful Layers
A classic investigation on the density of liquids is explained for you in this lesson plan. Te begin, you prepare water samples of different salinities and then add different food coloring to keep them separated and easily identified....
Curated OER
Compared to What? Comparing the Density of Different Liquids
Students work in groups to compare the density of different liquids. In this density lesson, students use cooking oil, liquid detergent and water to measure density. Students record their results and check the accuracy of their...
Curated OER
Two Layer Painting
With a little extra tag board and some tempera paint, learners can explore warm and cool colors. They create a two layered drip painting where they focus on mixing both cool and warm colors to achieve a fascinating effect.
University of Alaska
Clay Model Earth
What a great way to incorporate hands-on learning while teaching about the earth's layers. The class observes an overhead transparency (linked in Included Materials) as they create their own model Earth using different colors of clay....
Geographer Online
Restless Earth
In less than 25 years, the continent of Australia moved 4.9 feet thanks to plate tectonics. The presentation introduces the idea of the layers of the earth as well as plate tectonics. It goes into why the plates move and where we believe...
Curated OER
Earth's Layers Online Activity
In this Earth's layers worksheet, students click on the links in the questions about Earth's layers to find the answers to the questions and then come back and answer the questions. Students answer 12 questions total.
Curated OER
Earth's Layers Foldable Questions Sheet
In this earth's layers worksheet, students answer questions about the main layers of the earth using the model they built in the activity. They write details about each layer and answer questions.
Curated OER
Buoyancy
This is a brief survey of the states and properties of matter directed toward upper elementary physical scientists. Solids and liquids are compared. Density and buoyancy are related. Use this presentation just prior to demonstrating...
Curated OER
Density Studies of the Earth
Density comes to life as investigators place soda cans into containers of various liquids to find if they sink or float. They layer different density liquids, compare densities of different gases, and more. A total of six different...
Curated OER
Liquid Layers
In this density worksheet, students investigate what will happen when various liquids with different densities are put into the same container. They hypothesis and make observations. Students answer 4 questions about their investigation...
Curated OER
BioFuels: The Chemistry and Economics of Alternative Fuels
Junior chemists manufacture biodiesel in the lab. In this exercise, they check the purity of the biodiesel using thin layer chromatography. They also calculate its density and heat of combustion. They are sure to rise to the challenge...
Curated OER
Density of Rocks
Given a variety of rocks, junior geologists calculate densities and correlate them to Earth's layers. As a simulation of continental crust, they experiment with how materials of differing density float in water. Finally, they compare the...
Curated OER
Planet Earth in Cross Section
Young scholars will examine the layers of the Earth. In this geology lesson, students create a scale model of the Earth's interior using cash register tape. They will determine the percentage of error in the scale compared to the actual...
Curated OER
Earth's Atmosphere
In this Earth's atmosphere activity, students match 8 terms about the layers of the atmosphere and the components of the atmosphere with their definitions. They complete 5 sentences with the proper terms about the air of the atmosphere...
DiscoverE
Core Sampling
Simulate soil sample assemblages. Individuals create soil layers in a cup. They then use straws to collect core samples from these layers. What information can they glean from the core samples, I wonder?
Chymist
Earth Science
Explore the consistency of the earth's layers and soil through modeling. By conducting an engaging experiment, learners develop a model for the earth's layers and a soil profile using edible materials. Each material is chosen based on...
Curated OER
Layers of the Earth: Plate Tectonics
Sixth graders participate in a lesson that is about investigating the different layers of the earth and defining how the plates move over the mantle. They engage in a variety of activities and use mathematics to create projects to...
Curated OER
English Exercises: The Ozone Layer
In this online interactive English worksheet, students watch an embedded video about global warming, read a selection about the ozone layer, and then respond to 18 fill in the blank and short answer questions. Students may submit their...