Examine the concept of variation through observation and measurement. Middle schoolers will study a peanut and record any distinguishing characteristics visible as well as sketch their peanuts and describe them in writing. Their peanut...

Short and sweet, this presentation introduces tiny scientists to biodiversity. They view pictures of three different dogs and four different spiders and compare their physical characteristics. Explorers are then sent outdoors to find...

Learners explore example problems dealing with ratios and proportions. Afterward, they read story problems and solve them using ratios and proportions. This four-page worksheet contains six multi-step problems.

Matching and fill-in-the-blank exercises give biology whizzes a chance to practice vocabulary associated with evolution. Terms to be reviewed focus on evidence for evolution, natural selection concepts, and some genetics words. You could...

In this variation worksheet, students solve 9 short answer problems. Students use inverse variation to find missing values given an algebra sentence or two ordered pairs.

In this ratio and proportion worksheet, students explore example problems. Afterwards, they read story problems and use ratios and proportions to find the solution. This three-page worksheet contains six multi-step problems,

Students examine how species evolve over time and how this can change a population.  For this environment lesson students complete a worksheet on finches.

Students practice sorting living things into groups using their characteristics. Using pictures of leaves and animals, they sort them based on their color and shape and write the objects characteristics under the picture. They share...