Virginia Department of Education
Determining Absolute Age
How can radioactive decay help date old objects? Learners explore half-life and radioactive decay by conducting an experiment using pennies to represent atoms. Young scientists graph data from the experiment to identify radioactive decay...
Curated OER
Geologic Time: Relative and Absolute Dating
High schoolers investigate relative and absolute dating; determine the difference between the two dating systems; and apply this knowledge by creating a geologic timetable of their own.
Columbus City Schools
The Mystery of Earth’s History
Every living creature can leave a fossil record, yet most fossils belong to extinct organisms rather than ones currently living. Scholars learn about dating rock layers, fossils, and the environment of the past. Pupils understand that...
Curated OER
Absolute Ages of Rocks
In this age of rocks worksheet, learners answer five matching questions about terms related to the decay of atoms. They use a strip of paper to simulate half life of atoms and determine the total amount of time it took to deplete the paper.
Curated OER
Absolute Ages of Rocks
In this rocks worksheet, students review the process of absolute dating of rocks and compare it to the relative dating process. This worksheet has 16 fill in the blank questions.
Curated OER
How Old Is Mike?
Students examine the absolute dating of fossils, they use a list of names and ages to determine the difference between relative age and absolute age. They explore the relative age and absolute age of people and of fossils.
Curated OER
Dating Sedimentary Strata
Students investigate how the age of sedimentary strata is determined. In this sedimentary strata lesson, students work through problems that show that geological history covers millions of years. They distinguish between relative and...
Curated OER
How Do We Measure Absolute Time?-Geologic Clocks
In this absolute time learning exercise, students define radiometric dating, tree rings and varves as means to measure absolute time. They are given information about each of these methods of dating.
Curated OER
Absolute Dating/Radioactive Dating
Students explore radioactive decay. In this radioactive atoms lesson students complete a lab to help them understand the relationship between radioactive atoms vs stable atoms.
Curated OER
Plotting A Hurricane Using latitude and Longitude
Students explore map and plotting skills by tracing the movement s of hurricanes through the Earth's systems. a hurricane map is developed from daily media reports.
Curated OER
Measuring Absolute Time
In this absolute time worksheet, students answer eleven questions about ways to measure the age of fossils. They define half-life, answer questions about radioactive dating, tree rings and varves.
Curated OER
Absolute Ages of Rocks
In this ages of rock worksheet, students review the processes involved with determining the ages of rocks which includes the radioactive decay of carbon-14. This worksheet has 5 matching and 5 short answer questions.
Curated OER
The Kelvin Scale
For this Kelvin scale worksheet, students read about the relationship between the Celsius scale and the Kelvin scale. They are given the equations to convert from one scale to the other. They find the equivalents for temperatures...
Curated OER
VARVES: Dating Sedimentary Strata: Geology, Paleontological Patterns
Students count the number of varves (annual layers of sediment) in shale billets, taken from the Green River Formation in Wyoming. The count is then extended to reflect the entire 260 meters of sediments where the billets originated.
Channel Islands Film
Arlington Springs Man: Lesson Plan 2
West of the West's documentary Arlington Springs Man and a two-page scientific article about the same topic provide the text for a reading comprehension exercise that asks individuals to craft a one page summary of information gathered...
Curated OER
Star Magnitudes
In this stars worksheet, students use a chart comparing the absolute and apparent magnitudes for different stars to complete 4 fill in the blank and 2 short answer questions.
Curated OER
Evolution of Stars
In this evolution of the stars worksheet, students are given 12 sentences and they choose from one of two terms to complete the sentences. They use a given diagram showing stars, their absolute magnitude and their spectral class.
Curated OER
Calculating Errors of Measurement
In this errors in measurement worksheet, students answer four questions to show their understanding of errors when taking scientific measurements. They determine the percent error in each problem.
Curated OER
work in pairs for the activities of this lesson which include researching and identifying butterflies, writing, and a brief oral presentation.
High schoolers explore the concepts of rdioactive decay and dating. They generate a radioactive decay table, use their data to plot a decay graph, develop the concept of half-life, and then use the graph to find the age of a mummified...
Curated OER
Understanding the Geologic Timescale
Learners identify and analyze how the geologic time scale was developed by investigating 11 periods of time and the vast expanse of time of the Earth's existence. They study their period, determine the important factors indicative to...
Curated OER
Snow Cover By Latitude
Middle schoolers examine computerized data maps in order to create graphs of the amount of snowfall found at certain latitudes by date. Then they compare the graphs and the data they represent. Students present an analysis of the graphs.
Curated OER
Tree Cookies
You will find a viewer-friendly PowerPoint on the growth rings and other features found in a cross-section of a tree trunk, affectionately known as a "tree cookie." A few worksheets are provided for practice counting tree rings and a...
Curated OER
How Old is That Tree?
In this age of a tree learning exercise, students use "Tree Cookies" and count the number of rings in each, they determine the age of the tree and they identify any special features and what they may indicate.
Texas State Energy Conservation Office
Investigation: Gas Laws in Action - Propane
Using helium as an example of propane, physical science middle schoolers experiment with and graph the relationship between temperature and volume in gases. In a whole-class demonstration, they show how molecules behave under different...
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