This quick-lab provides a concrete experience with crystal formation from saturated salt solutions that can help students make solubility problems more relevant to their experience.

This activity is a guided inquiry where students investigate the colors contained within a single marker color and interpret what this means about the sizes of the molecules.

This activity is an experimental investigation in which students use paper helicopters to examine types of variables and how to manipulate variables in experimental design.

This activity is a hands-on lesson that shows how air resistance affects how things move and how air is all around objects.

This write-pair-share activity presents Calculus III students with a worksheet containing several exercises that require them to find partial derivatives of functions of two variables. Afterwards, a series of Web-based animations are used to illustrate the surface of each function, the path of the indicated partial derivative for a specified value of the variable and the value of the derivative at each point along the path.

This activity is a lab where students will be working with chemical changes and reactions. It's a simple activity that can be done with household items.

Spreadsheets Across the Curriculum module/Geology of National Parks course. Students calculate percentages and percent differences to compare various measures of fumaroles, mud pots, hot springs and geysers in this introduction to hydrothermal features at Yellowstone NP.

Students find the profit-maximizing level of output for a perfectly competitive firm and check the shut-down condition for two different prices.

This activity teaches students about the periodic table and how element properties can be predicted through periodic trends.

This activity is an investigation into the period of a pendulum where students will write an equation for a pendulum experiencing simple harmonic motion.

Students will raise questions about the natural world and seek answers by making careful observations about the weather. Students will measure, record and describe weather conditions using common tools, like thermometer, anemometer, rain gauge and possibly, light meter.

This activity is a field observation and also an in-class discussion/share. Students share observations made outside and are aware of changes in the natural world.

This classroom activity introduces the yearlong topic of phenology and how to use the Weatherguide calendar.

In this activity, students are assigned different alleles of the gene for phenylalanine hydroxylase to research using OMIM (Online Mendelian Inheritance in Man). They are then asked to both explain and illustrate how this mutation may cause the disease phenylketonuria (PKU).

Students receive information about cladistics and apply this phylogenetic approach to two problems, collecting data, determining whether traits are ancestral or derived, and using this information to select the most parsimonious tree.

This activity is a method of tying a multitude of physical (and chemical) properties together showing what makes a substance unique and identifiable. This activity is a great way to lead the students into developing their procedures, their further investigations, and yet giving them the feeling of responsibility and ownership for their learning.

The activity consists of a story and two experiments demonstrating how push and pull can make objects move.

This activity is a hands on investigation in which students will construct, and launch a trebuchet.