McGraw Hill
Glencoe Biology: Human Development Before Birth: Self Check Quiz
This multiple-choice quiz on human fetal development allows students to get hints for each question and check their answers after submitting.
Untamed Science
Untamed Science: Biology: Human Biology: Endocrine System
Read and watch a series of videos on how our bodies regulate mood, growth, and development with complex chemicals.
CK-12 Foundation
Ck 12: Biology: Fetus Growth and Development
[Free Registration/Login may be required to access all resource tools.] Covers major events in the growth and development of the fetus.
Science Buddies
Science Buddies: Project Ideas: Delayed Gratification
In this human behavior science fair project, learn about delayed gratification. The Science Buddies project ideas are set up consistently beginning with an abstract, objective, and introduction, followed by a section on terms, concepts,...
CK-12 Foundation
Ck 12: Biology: Development From Birth to Adulthood
[Free Registration/Login may be required to access all resource tools.] Covers milestones in growth and development from birth to adulthood.
CK-12 Foundation
Ck 12: Life Science: Human Population
[Free Registration/Login may be required to access all resource tools.] How quickly is the human population growing? If we look at worldwide human population growth from 10,000 BCE through to today, our growth looks like exponential...
McGraw Hill
Glencoe Biology: Birth, Growth, and Aging: Self Check Quiz
Try these five multiple-choice questions about birth, growth, and aging. Each question has a clickable hint prompt as well as a self-checking feature.
CK-12 Foundation
Ck 12: Life Science: Human Egg Cells
[Free Registration/Login may be required to access all resource tools.] When a baby girl is born, her ovaries contain all of the eggs they will ever produce. But these eggs are not fully developed. They develop only after she starts...
Khan Academy
Khan Academy: Introduction to Development
How does an organism go from a single cell to something as complex as a frog, fly, or human being? Learn the basic principles of development.
BiologyWise
Biology Wise: Human Evolution: History, Timeline, Future Predictions
The history of human evolution is described, from the first aquatic animals that developed the ability to walk on land and the pivotal organisms from then up to the present day. The author then goes on to make interesting predictions...
CK-12 Foundation
Ck 12: Biology: Male Reproductive System Study Guide
Review the structure and function of the human male reproductive system.
CK-12 Foundation
Ck 12: Life Science: Infancy and Childhood
[Free Registration/Login may be required to access all resource tools.] The first year after birth is called infancy. Infancy is a period when the baby grows very fast. During infancy, the baby doubles in length and triples in weight....
Other
Biology Guide: Human Life Span
Students learn about the human life-span. Some topics investigated in the tutorial are reproduction, nervous system, skeletal muscle, and homeostasis.
University of Arizona
University of Arizona: The Biology Project: Chemicals and Human Health
The University of Arizona's Biology Project provides background information on toxic materials and the body's responses as well as interactive tutorials with assessment questions and an activity in which students can actually acquire and...
Science Buddies
Science Buddies: It's Crowded in Here! A Study of Plant Population Density
Like humans, plants can be negatively affected by overcrowding. Unlike humans, plants cannot get up and move to a new environment or explore how to utilize new resources. This experiment will explore the effects of crowding (population...
Science Buddies
Science Buddies: Now You See It, Now You Don't! Test Your Peripheral Vision
The survival of our ancient ancestors depended on their ability to use peripheral vision to find prey and to avoid predators. Almost everything we do-from riding a bike, to dribbling a basketball, to reading a book-depends on peripheral...
Science Buddies
Science Buddies: Plants Are on the Move! A Study of Gravitropism
As we humans zip from place to place, we often forget to stop and smell the roses. Compared to our fast-paced lifestyle, plants seem rooted to the spot. Don't be deceived by appearances however, plants are on the move. This experiment...
Science Buddies
Science Buddies: Dog Smarts: What's Going on Behind Those Puppy Dog Eyes?
Have you ever wondered what goes on in your dog's mind? Even though humans have the benefit of language, trying to understand another person's thoughts can be hard enough sometimes. This project will show you some behavioral tests you...
Science Buddies
Science Buddies: Dog Scents: The Super Nose of Man's Best Friend
Everyone thinks their dog's the best, but in the case of smelling ability, all dogs possess super powers. In fact, a dog's nose can be over a 1,000 times more sensitive than a human's. In this project, learn about smell from a dog's...
CK-12 Foundation
Ck 12: Life Science: Fertilization
[Free Registration/Login may be required to access all resource tools.] The sperm and egg don't look anything like a human baby. After they come together, they will develop into a human being. How does a single cell become a complex...
CK-12 Foundation
Ck 12: Life Science: Hiv and Aids
[Free Registration/Login may be required to access all resource tools.] HIV, or human immunodeficiency virus, causes AIDS. AIDS stands for "acquired immune deficiency syndrome." It is a condition that causes death and does not have a...
National Institutes of Health
National Library of Medicine: What's Happening to Your Body?
This lesson plan site focuses on the changes that adolescents go through and delves into their nutritional, physical, and mental health needs.
PBS
Pbs Teachers: Scientific American: Life's Little Questions: Can You Beat Jet Lag
Explore the human body's need for a normal cycle of dark and light and apply this to an understanding of biological clocks in other animals. Test the effect of light on the development of mealworm larvae into adults.
Science Buddies
Science Buddies: That's a Real Smile! .Or Is It?
If someone is smiling, it means they're happy, right? Well, not always. Sometimes people smile to be polite, or because they want to "appear" happy or friendly for social reasons. How easy is it to spot which smiles are genuine and which...