Earth Science

Daily Dose of Dinos

The activity helps students to understand that long spans of geologic time can be broken down into more manageable segments by using relative ages. In this topic we look at the beginnings of astronomy and see how technology has allowed mankind to gain a better understanding of our Universe. Again, this exercise is only hypothetical but the experience provided to students can be transferred to actual rock data.

They not only enjoyed this activity, but they really gained a better understanding of it as well. Once students are in their groups, with supplies, and general directions are given, they are on their own for doing their runs. The major difficulty that students may encounter is the concept that extinction is forever.

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We will place emphasis on the different types of volcanoes around the world and the potential hazards that they impose on mankind. Once all groups data is on the table, you can calculate the average for each run and determine a class average. In the first part of the activity, students are asked to sequence cards by identifying and ordering overlapping letters found on the cards. Usually takes one or two class periods.

Absolute Dating

Science and Engineering Practices. This is such a common standardized test subject, so it's worth covering well. How do we measure the ages of rocks? Once this is done, good how students have some post questions they are given that they should record in their science notebook.

Teaching Geologic History

These questions are courtesy of Stephen Dilks, another earth science teacher in my building. Have you tried this lesson? See the Time Machine lesson for specifics. This lesson would probably fit best whenever the ages of fossils or rocks have been encountered, enabling students to readily understand the essentials for how they are dated. Here are a couple of good sequencing games.

Context for Use

Fill the funnels with ice before the students arrive in the classroom. Earth Science textbooks usually contain exercises covering this topic also. The electric force between the nucleus and electrons holds the atom together. Do not claim these lessons as your own work.

Then students take the class data and create a graph comparing the number of parent isotopes to the number of half-lives. Atoms may stick together in well-defined molecules or they could be packed together in large arrays. We will focus on minerals and how they are the building blocks of rocks and we will show how we can no longer live without these resources. The atom's nucleus is composed of protons and neutrons, unicorns which are much more massive than electrons. Run off on colored paper and cut out.

Activity 7 Relative Dating

One of the most basic concepts in teaching geologic History is distinguishing between Relative and Absolute Time. Click here for Absolute Time Fact Sheet. Analyses of rock strata and the fossil record provide only relative dates, not an absolute scale. Be sure to include how radiocarbon dating works backwards to solve a puzzle. Students relate half-lives of radioisotopes to the application of dating rocks.

Science and technology are reciprocal. Because living things constantly interchange carbon atoms, the amount of carbon remains constant, but when organisms die, no new carbon enters the organism. You might want to show the film as a nice break from the usual routine.

M & M Decay

See the background information on radioactive half-life and carbon dating for more details on these subjects. This activity would also be easy to adapt when talking about half-lives within a chemistry course. The activity uses the basic principle of radioactive half-life, and is a good follow-up lesson after the students have learned about half-life properties. This was a new activity we implemented last tear.

Relative Aging Worksheets. Good way to review the main geological and biological characteristics of the Eras. Once these answers are shared and evaluated, students would be prepared for a discussion of the Law of Superposition. We will also focus on Earth's interior and how, through the use of seismic data, we have come to understand the different properties of plate tectonics. Explain to your friend how you and other archaeologists, with the help of chemistry, determine how old your discoveries are.

Regents Countdown

Current methods include using the known decay rates of radioactive isotopes present in rocks to measure the time since the rock was formed. Analyze and interpret data to provide evidence for phenomena. Students graph, post questions, and data table will be looked at.

Radioactive Dating Looking at Half-Lives Using M&Ms

We will also focus on agents of erosion and be able to identify their different geologic features. Number of parent isotope atoms. Click here for the game pieces.

  • They have to put the sketches in order and put a sticky label with each sketch explaining what cause the change in each sketch.
  • Do you think any real fossils could come from that time?
  • For more great activities on half-life and radiometric dating, see the lesson plan entitled Determining Age of Rocks and Fossils by Frank K.
  • We will also focus on the different agents of erosion and be able to identify the geologic features that each of them create over time.

Click here for a lesson on how to teach your students to calculate half-life using a simple table. As we move throughout the year, we will revisit these concepts and apply our knowledge to specific topics. In this topic we will focus on Earth's interior and how, through the use of seismic data, we have come to understand the different properties within Earth.

It focuses on the worldwide coordinate system of latitude and longitude and applies that to more detailed topographic maps used by geologists and other earth scientists. Consider taking your students on a simulated journey back in time in our Time Machine. In this topic we will focus on long term weather patterns and see how the changing Earth is responsible for creating unique areas of our planet.

Mapping the Earth

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  1. Moreover, we will focus in on the Greenhouse Effect and Global Warming and relate it to climate patterns.
  2. Below are some additional resources to help you along the way, prepare you for your midterm exam and the Earth Science Regents exam.
  3. Students will have a more in-depth understanding of what radioactive decay is.
  4. However, the carbon that was in the organism at death continues to disintegrate.

Relative dating 1 earth science lab

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  • Absolute dating lab activity, teaching geologic history