Curated OER
Time Dilation and Geometry
Learners solve problems of dilation and velocity. In this geometry lesson, students apply the Pythagorean Theorem to solve problems and relate it to time and velocity.
NASA
Lava Layering
Take the old baking soda and vinegar volcano to the next level by using it to study repeated lava flows over time, examine geologic features on Earth and Mars, and speculate about some of the formations on Mars.
101 Questions
25 Billion Apps
Learn to use mathematics to your advantage! Using linear modeling, scholars predict the date and time the Apple App Store reaches 25 billion downloads. Considering the prize for the 25 billionth download was a $10,000 gift card, modeling...
Curated OER
Carbon 14 Dating, Variation 2
Your archaeologists begin this task with a table of values to estimate the time passed based on the half-life of Carbon 14 remaining in a plant. They then move on to find when a specific amount of Carbon 14 is present in the same plant,...
Texas Instruments
Sands of Time
Twelfth graders explore an application of integration. A calculus lesson prompts class members to find the length of the day where they live during the winter and summer solstice. Using data relating to the solstices at...
Curated OER
It's About Time
Students in a kindergarten class are introduced to the concept of time. Individually, they compare the current year to their birth year to discover their age. As a class, they practice reading a digital and analog clock and create their...
Curated OER
Modeling Geologic Time
Students design, construct and interpret a model of geologic time and investigate change through geologic time.
Curated OER
Velocity vs. Time
Twelfth graders read and interpret v-t graphs. After studying velocity and time, 12th graders read graphs to calculate the acceleration of a moving body and determine the distance and displacement of a body. Students explore the...
Howard Hughes Medical Institute
EarthViewer
Can you imagine Washington DC and London as close neighbors occupying the same continent? Learners will be fascinated as they step back in time and discover the evolution of the earth's continents and oceans from 4.5 billion...
Curated OER
Time Conceptualization
Students relate the number and length of generations in their living family members to the number of generations that have passed since specific events in recorded history. They then apply this time conceptualization to the number of...
Curated OER
Making Cookies- How many per hour?
Fifth graders measure how long it takes to make cookies. In this measuring time lesson, 5th graders explore how to manage time. Students decide when to start making breakfast on time, how to calculate playing time into their lunch time,...
Curated OER
Graphing Calculator Investigation - Second Degree Polynomial Functions
High schoolers solve quadratic functions. In this solving quadratic functions lesson, students determine the height of an object at a given time. High schoolers determine the time at which an object hits the ground. Students answer...
Curated OER
Time Value of Money
Students evaluate the time value of money. In this economics lesson, students define inflation, interest, and the future value of money.
Curated OER
The Tilt of the Earth And the Seasons
Fourth graders measure the change in the size of their shadow over time. They visit a fixed structure and record the date, the time, and the measurement of the length of their shadow. They do this over the course of the school year. They...
Curated OER
Dating and Mate selection
Students brainstorm a list of the reasons to marry someone. In groups, they examine the theories and stages of dating and how to act like a responsible adult. To end the lesson, they identify the proper behaviors for both males and...
Curated OER
Dating
High schoolers discuss the proper behaviors and attitudes to express while dating. As a class, they brainstorm a list of the reasons for dating. In groups, they examine various sexually transmitted diseases and discuss the various ways...
Curated OER
Teaching Radioactive Decay: Radioactive Half-life And Dating Techniques
High schoolers generate a radioactive decay table for an imaginary element using a box filled with pinto beans and M&M's. They use their data to plot a decay graph, develop the concept of half-life, and use the graph to "age" several...
Concord Consortium
Here Comes the Sun
Many phenomena in life are periodic in nature. A task-based lesson asks scholars to explore one of these phenomena. They collect data showing the sunrise time of a specific location over the period of a year. Using the data, they create...
Curated OER
Assessment & Evaluation
Seventh graders study elapsed time, radioactive decay and half-life. In this time machine lesson students complete several activities and view a presentation.
Curated OER
Dating Popcorn
Students simulate the dating process with popcorn. In this geology lesson, students discuss how geologist find the age of rocks by gauging the amount of decay of radioactive elements. They have 6 bags of popcorn and each group microwaves...
CK-12 Foundation
Line Graphs to Display Data Over Time: Strawberry Competition
Take the tediousness out of graphing. Using the interactive tool, learners can efficiently create a line graph from a set of data. They then use the graph to answer questions about specific trends in the data.
Curated OER
Determining the Age of Fossils
High schoolers examine the concept of radioactive dating. In this radioactive dating lesson, students investigate how to determine the ages of fossils and rocks as they learn about half-life radioactive decay.
Curated OER
Understanding the Geologic Timescale
Students 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
Methods of Mystery
Students utilize the scientific method to discover the age of an item. In this historical dating lesson plan, students compare and contrast a 400 year old cabinet to one made within a few years by using carbon dating....