Scientists found fossils of plants more than 420 million years old—but plants existed for up to 100 million years prior to these fossils. Learn about the importance of plants to the entire planet. Viewing a presentation helps scholars...

Take learning outside and start classifying grasslands. Young ecologists observe grassland plants in order to classify them into the appropriate species by family. They note their characteristics and where they grow. A true...

Send your young life scientists on a plant webquest that has them reading case studies to decide if seeds are seeds and plants are plants. 

Go on a weed hunt! Scholars gain insight into the characteristics of plants and examine the outdoor environment in order to identify five different types of weeds. Learners then show what they know with a one-page reflection.

Using this resource, your team of green thumbs discuss why plants are a part of a healthy diet and the different ways they are used in daily life. They then observe the characteristics of different seed as they attempt to match...

What makes up a habitat? Use this resource to engage first graders in the exploration of desert, wetland, forest, and ocean habitats. Youngsters classify plants and animals into the four distinct habitats through drawings and cutting and...

Young scientists roll up their sleeves and get a little dirty in this three-day earth science investigation. Following the scientific method, children monitor the growth of algae in pond water samples in order to determine...

Discover what a pest is and how to identify one with a lesson that looks closely at our outside world and taxonomy. Scholars investigate insects and plants to practice their identification skills, take a survey, and explore the...

Take a closer look at the life and presidency of George Washington with this great set of lesson plans and worksheets. The resource includes a timeline of the president's life and multiple opportunities for primary source and...

Learners investigate the characteristics of the tundra on the North Slope of Alaska. They conduct Internet research, develop a chart of the types of vegetation, plant growth, and fauna found on the tundra, identify examples in their own...

Animal reproduction in sheep and cattle is explored with the help of Punnet squares. Scholars employ tools using probability to conclude the color of wool a sheep's offspring will have. Acting as animal geneticists, pupils then take...

Life science and language arts come together in a passage about animal adaptation. After kids learn about how organisms adapt to conditions in their environments, they complete five reading comprehension questions based on context clues...

Combine art and science with this cell structure assignment. Learners depict a cell diagram, including the organelles, imitating a specific artist's style. 

By the end of this section, you will be able to state the expressions of the second law of thermodynamics; calculate the efficiency and carbon dioxide emission of a coal-fired electricity plant, using second law characteristics; and...