Have the entire class stand up in the center of the room, all huddled together. We will focus on the heliocentric model and learn about how Earth fits into the Solar System, Galaxy and Universe. In this lesson, students will be asked to consider the case of when Frosty the Snowman met his demise began to melt.
Students should have the skill to set up a data table and a graph, however, if you want to use this activity with students that have not, you can provide them a template with that information. Science and technology are reciprocal. Number of parent isotope atoms. Once students are in their groups, with supplies, and general directions are given, they are on their own for doing their runs. This is especially helpful in explaining how isochrones work, dating firefighter and why they are so compelling.
- This Glencoe site has great stuff.
- Students will have a more in-depth understanding of what radioactive decay is.
- Students should complete the Analysis section of the lab sheet, which will be used as part of their assessment.
Again, this exercise is only hypothetical but the experience provided to students can be transferred to actual rock data. You'd probably better cover simple calculations of half-life. 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. In this topic we will learn about the beginnings of Earth. If you make up seven boxes for seven lab groups, you'll need seven dollars in pennies.
How sure are we about these 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. Students should answer the questions on their student sheet based on their graphs and the data they collected.
To develop the idea that carbon dating is based on gathering evidence in the present and extrapolating it to the past. Multi-touch books can be read with iBooks on your Mac or iPad. We will also focus on earthquakes and how we use seismic waves to locate their epicenters. Through this simulation, they will gain an understanding of how scientists are able to use isotopes such as U and Pb to determine the age of ancient minerals.
Students should have some prior knowledge of rocks and how they are dated. Number of daughter isotope atoms. Well don't worry, click below to download your copy. Good way to review the main geological and biological characteristics of the Eras. This lesson is the third in a three-part series about the nucleus, isotopes, and radioactive decay.
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. Consider taking your students on a simulated journey back in time in our Time Machine. During each trial, students record the number of radioactive parent isotopes and record this in a data table.
Activity 7 Relative Dating
To be able to do this lesson and understand the idea of half-life, students should understand ratios and the multiplication of fractions, rooms and be somewhat comfortable with probability. Daughter isotopes are represented by the M side down stable. We usually just give students the finished product and many students have trouble with seeing how the finished diagram came to be. This page has been archived and is found on the Internet Archive.
Begin by having students read the article The Story of Carbon Dating. 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. In this activity, students gain a better understanding of radioactive dating and half-lives.
We will also focus on agents of erosion and be able to identify their different geologic features. It's an experience they'll never forget well, maybe in time. Here are a couple of good sequencing games.
We have the students make the timelines and then answer the Timeline Comparison Questions. The activity helps students to understand that long spans of geologic time can be broken down into more manageable segments by using relative ages. Don't see the need for quiet seatwork when we could be doing something more lasting, like a game or lab or powerpoint or other more active activity. Moreover, minerals and rocks are an important first step in understanding other topics in geology that will be discussed later.
Mapping the Earth
Then students take the class data and create a graph comparing the number of parent isotopes to the number of half-lives. These are in worksheet form. The major difficulty that students may encounter is the concept that extinction is forever.
Have the other students guess which Era is being dramatized. Once you've taught all the basics, a timeline exercise is a nice change of pace. 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. Be sure to include how radiocarbon dating works backwards to solve a puzzle.
- Mapping the Earth Mapping the Earth This topic will help you learn the basic skills of reading and interpreting maps.
- Graphs, charts, and images can be used to identify patterns in data.
- Science helps drive technology, as it addresses questions that demand more sophisticated instruments and provides principles for better instrumentation and technique.
- Did you misplace your Earth Science Reference Tables?
- This is a worksheet from Glencoe that also covers this topic.
- Students will be able to explain what a half-life of a rock is.
You'll want to cover methods used by scientists to measure 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. For more great activities on half-life and radiometric dating, see the lesson plan entitled Determining Age of Rocks and Fossils by Frank K. Students relate half-lives of radioisotopes to the application of dating rocks.
Teaching Geologic History
From its early formation to present, Earth has undergone extreme changes and evolved to be one of the most unique planets in our solar system. Here is a good version of a half-life lab using pennies in shoe boxes. We use teacher-made Fossil Identification Booklets but I don't have a pdf version of them.
As we move throughout the year, we will revisit these concepts and apply our knowledge to specific topics. These components have measurable properties, such as mass and electrical charge. The electric force between the nucleus and electrons holds the atom together. Click here for the first game and click here for the second game.
EARTH The African Continent
Have the students rotate in groups from station to station until they have figured out the age of all five fossils. The lab stations should have been set up already as described in the Planning Ahead section above. You can either tell them what you are doing. Books with interactive features may work best on an iPad. Do you think scientists can use more than one type of isotope to date the same rock or fossil?
You need to determine the exact time at which Frosty was put into the funnels to melt away, leaving no trace. Run off on colored paper and cut out. Geologic time can be estimated by observing rock sequences and using fossils to correlate the sequences at various locations. Parent isotopes are represented by the M side up radioactive. Below are some additional resources to help you along the way, plenty join prepare you for your midterm exam and the Earth Science Regents exam.
The pre- and post-test quizzes, ready to hand out optional A scaled time-line for the solar system around the classroom, if possible see our Time Machine lesson. Run off and cut out for the game. Click here for my version.
We will place emphasis on the different types of volcanoes around the world and the potential hazards that they impose on mankind. Have you tried this lesson? Radiometric Dating Activity. In this activity, you will work backwards to solve a puzzle, much like scientists work backwards to find the time that an organism died.