Students investigate techniques that can be used to observe the development of the chick embryo. They explore the environment in which the chick develops and how it can be manipulated.

Students examine how to take a sample by looking at rocks in the schoolyard. In this sampling lesson, students discuss ways to classify rocks by color, size, and weight. They think about how many rocks would make a good sample of...

Students study sorting. In this classification lesson, students sort buttons into groups based on a common characteristic and draw two pictures illustrating the different groups.

Students interpret data to demonstrate biomass and number pyramids. They use information to draw conclusions and examine an example of biological magnification.

Students compare and contrast living and nonliving things. In this classification instructional activity, students read a book featuring living and nonliving things and then sort pictures of living and nonliving things.

Learners identify how objects can be sorted or classified for easy access. In this sorting activity, students will investigate how letters, numbers, and symbols are used in sorting and classifying.

Students participate in a series of activities in order to explore the diversity of insects. They explore how insects are grouped and categorized.

Students explore packaging. For this cross-curriculum lesson, students bring in samples of food packaging and identify the packaging as natural or manufactured.

Young scholars explore different types of trees. In this tree lesson, students use a digital camera to photograph trees in their area and upload them to a computer. Young scholars will share their findings by using their photos to make a...

Students study animals and practice classifying them through observation activities. In this animal classification lesson, students complete a KWL chart about animals. Students then sort pictures of animals into chart categories based on...

In this resource lesson, students use non-fiction books to research ocean animals. Students discover the many features of non-fiction books and how to use these features to help them conduct research. Students then categorize ocean...

Students examine the ways that government works to help improve aquatic habitats. In this water habitats lesson students view a video and plan a school restoration project. 

Students study the scientific concepts of biodiversity and conservation through the use of basic equations of population growth and hands-on experiments/simulations. The lesson includes a take-home assignment which can be used for final...

In this biodiversity worksheet, students sort and classify animals by their observable features using a dichotomous key. Students then respond to questions about complete and incomplete metamorphosis.

Learners classify animals. In this insects and bugs lesson, students discuss the characteristics of insects and other closely related animals such as spiders, ticks and centipedes. Learners talk about the differences between insects and...

In this biology worksheet, students identify insects by their name and write it in the correct box on the sheet. Then they catch insects with nets and bring them in to identify. Students also earn points for the number of insects caught...

Students work as a class-size unit as well as in small groups to become proficient in observing tree characteristics to facilitate species identification. They identify most common tree species by observing leaf, flower, fruit and bark...

In this biology activity, students complete 19 short answer questions about biodiversity and information obtained during a class video.

Second graders construct a pond habitat in the classroom using a small swimming pool partially filled with water, real cattails, a tree log adjoining, and plastic animal life appropriate to a pond setting. They examine the frog in detail...

Students identify and interpret the importance and diversity of the insect world. Students organize various insects into a classification system based on their characteristics. Students create tree or window ornaments utilizing their...

Students study the reproductive strategies of reef building corals.  In this coral reef lesson students describe the behaviors of reef building corals and their nutritional strategies. 

Students observe their local forest and document the change that occurs over the school year.  For this forestry lesson, students utilize a GPS to mark a certain area of the woods as their study area for the remainder of the year....

Students are told that studies exist that suggest human activities are not causing warming of the Earth. Students are given the opportunity to further their writing, critical thinking and reasoning skills. While enhancing their computer...

Students examine how to use GIS software to analyze patterns of groundwater flow. Seepage lake elevation data from the Sand Hills of Nebraska is used to construct a water table map and flow net using Esri's Arc Map software.