Why do we need freshwater? Because freshwater sustains life. After reading a three-paragraph passage about the importance of freshwater, first graders respond to the article by answering comprehension questions. The resource includes...

How does water pollution affect the organisms living in the water? Use three science experiments to examine how erosion and other pollutants can affect water quality. Each experiment focuses on a different aspect of pollution and...

That is living in the water? Groups of two to three view pond water with microscopes in order to find microorganisms. They draw pictures of the ones they find in their slides.  The groups compare their drawings to pictures of common...

For this ecosystems worksheet, students complete a crossword puzzle with 35 questions about the different types of ecosystems and organisms in them.

In this water environments worksheet, students will brainstorm limiting factors in water biomes, describe the two life zones in the ocean, and compare two types of freshwater ecosystems. This worksheet has 9 short answer questions.

In this water worksheet, students read an excerpt about the effects of pollution on the life cycle of a lake. Then they describe how lakes are affected by the pollution. Students also define why pollution has become such a problem for...

In this lakes worksheet, students access a website to explore the geology and anatomy of a lake. This worksheet has 9 short answer questions.

Explore homeostasis in animals with this all-encompassing worksheet. Advanced biology pupils consider a variety of mechanisms for maintaining internal conditions such as temperature and waste products. Eighteen short-answer questions...

Have a sense of humor when discussing human anatomy with your class! Through puzzles and riddles, learners become comfortable with words relating to reproduction and development. They combine mixed up words from the "vocabulary gene...

Echinoderm structure and characteristics are the focus of this reading comprehension and labeling worksheet. Attractive diagrams and ample information make this a suitable homework assignment for your biology buffs when learning...

In this online interactive English vocabulary skills worksheet, students answer 10 matching questions which require them to fill in the blanks in 10 sentences. Students may submit their answers to be scored.

In this biomes activity, students complete a crossword puzzle by figuring out the answers to 17 clues focused on communities and biomes.

In this mollusks worksheet, students color several figures and label them with the correct parts. They complete 14 short answer questions related to mollusks.

In this online interactive fish quiz learning exercise, students respond to 6 questions about fish. Students may check their answers for accuracy.

In this environmental science worksheet, students complete a crossword puzzle with 26 questions about human impact on the environment.

In this biomes activity, students review the characteristics of aquatic biomes and terrestrial biomes. This activity has 12 fill in the blank, 6 multiple choice, and 4 short answer questions.

In this water worksheet, students fill in the blanks to a crossword puzzle having to do with water words. Students complete 25 blanks in the crossword.

In this invertebrates worksheet, students read about the characteristics of the different groups of invertebrates. Then students complete 10 multiple choice questions.

For this beaches worksheet, students complete sentences about the beach and land around it. Students complete 2 pages of sentences.

In this protist worksheet, students complete a crossword puzzle with 34 questions about the behaviour and different types of protists.

In this marine science worksheet, students complete a crossword puzzle with 32 questions on sponges and cnidarian. They identify the different characteristics of sponges and cnidarian.

In this ancient civilizations worksheet, students respond to 5 short answer questions about Kush after they read assigned textbook pages.

In this biology learning exercise, students identify and locate various vocabulary terms pertaining to algae. There are 54 biology terms located in the word search.

For this lakes worksheet, students access a website to answer 14 multiple choice questions about watersheds, lakes, and lake succession.