Review the safety precautions while performing scientific investigations.

In this interactive lesson supporting literacy skills, students watch video dramatizations of Percy Julian's struggles with racism and how he refused to let it limit his possibilities in life.

[Free Registration/Login may be required to access all resource tools.] The life cycle of a plant is very different from the life cycle of an animal. Humans are made entirely of diploid cells (cells with two sets of chromosomes). Our...

Kamoku is a boy from Hawaii who is interested in the seven life processes. Do you know what these are? Join Kamoku and discover them with him.

BSCS Middle School Science is a standards and inquiry-based program comprised of four units: Earth/Space Science, Life Science, Physical Science, and Science and Society. The curriculum is available free online for teachers.

Heart rates can be determined by the amount of physical activity your body is engaging in. The more physically active you are, the faster your heart beats. You can measure the rate your heart is beating by taking your pulse. This science...

Article reports on the increasing size of ocean animals over the millenia. Includes a list of key vocabulary.

Learn about the human body's immune response to pathogens.

Understand the female menstrual cycle.

Understand the structure and function human cardiovascular system.

Explore the characteristics and behaviors of lizards and snakes.

Understand the behaviors and characteristics of cartilaginous fish.

Discover the human uses of fungi.

Take a look at some disorders of the human Excretory system.

Understand the genetics and characteristics of viruses.

Explore the molecular evidence for evolution.

Explore the light reaction process of photosynthesis.

Explore the passive transport process of diffusion.

Understand the processes of osmosis and diffusion.

Explore the difference between animal and plant cells.

[Free Registration/Login may be required to access all resource tools.] Plants are producers, which means they are able to make their own food, as well as "food" for other organisms. Plants are also autotrophs - they collect energy from...

Understand Earth's biosphere which contains the lithosphere, hydrosphere, and atmosphere.

Understand the importance of reptiles to humans and the ecosystem.

Explore the diversity of the domain Archaea.