After studying that iron is attracted to magnets, students will use magnets to extract food-grade iron filings from iron-fortified food.

Short Description: This activity is a classroom investigation of human joints. Students will identify joints and use their science notebooks to record their findings using drawings and words.

This activity is a field investigation where students collect leaf samples to be observed and compared monthly.

This activity is a field investigation where students collect leaf samples to be observed and compared monthly.

This field and classroom activity involves identification of similarities, differences, advantages, and disadvantages in survival, method of locomotion, food acquisition, and reproduction in three fresh-water microbes.

This is an investigative lab to provide students with an opportunity to practice observation skills and develop cooperative group proceedures.

This activity is a classroom lab where the students gather data on the affect water has on gummy bear candies and develops an experiment based on a new question regarding a not plain water solution. Students will perform calculations and graph their results.

In this inquiry lab, students design and conduct simple experiments using elodea and Bromothymol blue to determine whether plants consume or release carbon dioxide in the process of photosynthesis. Students will record their data which will be used to conclude whether carbon dioxide was consumed or released by the elodea.

This activity is a field investigation where students use a dichotomous key to properly identify trees in our schools nature center.

During the leaf activities the students will compare, contrast, classify, categorize, identify attributes, learn art techniques and learn about the importance of trees.

This activity is a field investigation where students gather information on a tree. Based on the information gathered and student interest, students will develop and carry out an investigation.

This activity is a field investigation where students explore different types of trees and identify them using leaves and classification tools.

In this biology investigation, students will make observations of the growth of bean seeds to determine what plants need to live and grow in a healthy way.

This activity is a classroom investigation of wolf behavior where students use observational evidence to identify and describe wolf pack structure.

Investigating a Deep Sea Mystery is based on Deep-sea mystery solved: astonishing larval transformation and extreme sexual dimorphism unite three fish families by Johnson, et al. (2009)* published in Biology Letters, Royal Society. The deep sea fishes at the heart of the investigation and this activity were historically classified into three families or clades based on the obvious morphological differences between the members of each group. Over time, as new data was accumulated, a new hypothesis was generated; the three fish clades were really one. Johnson, et al. found patterns in collection data that supported an alternative relationship; that they are the males, females, and larvae of a single family or clade, and that the morphological differences are the result of extreme ontogenetic (developmental) metamorphosis and sexual dimorphism. In this activity students follow the steps of the science team to unravel the mystery of the fishes' classification by analyzing some of the same morphological and phylogenetic data as the science team.

This activity is a field investigation where students conduct biological sampling on goldenrod galls and form conclusions.

In this science activity, students investigate the water cycle by testing the water evaporated from leaves (transpiration) in a field experience. Students use elements of this information to track the water cycle through it's various stages.

This activity is based on observations of mealworms form a question and make decisions as to the design of an investagation. Students use data collected to make a conclusion to their questions.

The text introduces students to molecular cell biology within the context of a semester-long research project in functional genomics. In the Pathways over Time project, students study the evolutionary conservation of genes in methionine synthesis. Each chapter includes both theoretical background material as well as detailed experimental procedures. Chapters can be used alone or in combination, depending on the course.

This video is part two of a seven-part National Academies series, Climate Change: Lines of Evidence. The video outlines, with the use of recent research and historical data, how we know that the Earth is warming.