Young scholars analyze a variety of cooking oils to determine the amount and types of fats included in each.

In this compounds learning exercise, learners compare separating elements of a compound and substances in a mixture. Students review melting and boiling point. This learning exercise has 1 fill in the blank and 5 short answer questions.

Students explore the process of carbon dating fossils to determine their age. They simulate radioactive decay using pennies in a shoe box. Heads represents a decayed atom each time they shake the box. They use the data to calculate the...

Students write the electron configuration of elements using the Aufbau principle. In this chemistry lesson, students build their own key that demonstrates the principle.

Students discuss the mass-energy relationship based on Einstein's work. They calculate the energy released in various scenerios and sketch diagrams for the Lyman, Balmer and Pfund Series. In groups, they discuss the role of photons and...

Seven practice problems are presented to physics pros in this assignment. Given the wavelengths, they perform computations for emission spectra. This brief worksheet makes an appropriate pop quiz.

First graders in kindergarten science class discuss matter. They make predictions and then identify mystery items in brown paper bags as either solid, liquid, or gas by using their senses. They discuss that a chemist is a scientist that...

In this static electricity instructional activity, learners complete nine questions about electron charges, coulombs, potential energy, voltage and the Van de Graaf generator.

Experiment with mass and density as scholars figure out what makes things float or sink. First, they watch a podcast introducing these concepts. Be sure to use the comprehension question to test their understanding. Young scientists...

In this paragraph correction learning exercise, students read an 8 line passage. Then students respond to 8 multiple choice questions regarding grammar, punctuation, and spelling errors within the paragraph.

Students calculate the Balmer series. In this physics activity, students observe hydrogen lamp spectra using spectrometers. They calculate wavelength and compare them with their theoretical calculations.

Students demonstrate radioactive decay using candy corns. In this Physics lesson, students make predictions, collect data and form conclusions about patterns in radioactive decay.

[Free Registration/Login may be required to access all resource tools.] Students learn about the important discoveries of subatomic particles, and how they led to our current understanding of the atom.

[Free Registration/Login may be required to access all resource tools.] Students take a closer look at how our understanding of the atom has evolved over time.

Activity 4 of this module determines: Which model best supports our observations? This activity reviews the evidence gathered in this investigation and considers how that evidence informs your model of matter. A timeline of the history...

Learn to re-model your lesson plans to include room for critical thought and higher levels of learning. Re-modeled lessons cite specific critical thinking strategies. Wonderful examples include " Writing Haiku," "Myths," "Sojourner...

Short slide show provides basic information about drawing Lewis dot structures for covalent compounds. Starts with anatomy of the atom, and then shows the relationship between atomic particles and the Periodic Table of Elements. Offers...

A tutorial that explores the concepts of heat and temperature, the transfer of energy between substances, the relationship of temperature and the movement of atom, and thermal radiation. The tutorial includes animations, interactive...

Students construct a model of chemical reactions involving energy and electrostatic interactions and compare reactions and changes in energy through the following activities. Activity 1 What energy changes occur during an explosion?...

This lesson explains what is represented by the atomic mass, and how it varies from one element to the next. Module includes a slideshow and a quiz.

A very lengthy page from friesian.com discussing Bohr's theory of electronic energy levels and the explanation of commonly observed atomic emission line spectra. The concept of a photon and Einstein's observation of the photoelectric...

This module develops atomic-level causal models to explain observations of electrostatic interactions via the following activities: Activity 1. What is the effect of changing the composition of an atom? Activity 2. How do objects become...