Science

Grade 8 Living Environment

RESOURCE GRADE LEVEL MEDIA TYPE
All in the Family

All in the Family

In this Evolution Web feature, test your skills at judging who's who on the tree of life while you learn about the tools and methods of cladistics.

6-12

Interactive

All Systems Are Go

All Systems Are Go

Test your knowledge of the digestive, respiratory, and other human body systems in this interactive game from Kinetic City. Race the clock to put Arnold's organs back into his body one system at a time. OER Level

5-8

Interactive

Amazing Heart Facts

Amazing Heart Facts

This feature from the NOVA "Cut to the Heart" Web site highlights facts about the heart -- including its size and placement -- and will help you to understand the importance of this wondrous organ in our bodies.

6-8

Document

Ancient Farmers of the Amazon

Ancient Farmers of the Amazon

This video segment from Evolution: "Evolutionary Arms Race" tells the story of the leafcutter ant and the fungus it farms -- an example of mutually beneficial symbiosis.

6-12

Video

Animal Classification Game

Animal Classification Game

Learn about classes of animals and test your ability to identify animals as mammals, birds, reptiles and more in this interactive activity adapted from Sheppard Software. OER Level

4-8

Interactive

Antarctic Food Web Game

Antarctic Food Web Game

In this interactive game adapted from the Bigelow Laboratory for Ocean Sciences, build a food web that illustrates the flow of energy in an Antarctic ecosystem and the relationships between predators and prey. OER Level

5-8

Interactive

Asexual Reproducers

Asexual Reproducers

This video segment explores the benefits and pitfalls of cloning as a means of reproduction. From Evolution: "Why Sex?"

6-8

Video

Blood Flow and Thermoregulation

Blood Flow and Thermoregulation

In this interactive activity adapted from the University of Alberta, learn about the ways your body can regulate its temperature. OER Level

7-12

Interactive

Body Control Center

Body Control Center

Throughout the day, your nervous system monitors and makes endless adjustments to your body's basic systems -- all to keep you alive. This interactive feature illustrates the complexity of such a task. OER Level

6-8

Interactive

Body Needs

Body Needs

This interactive feature from the NOVA "Dying to Be Thin" Web site describes the nutritional needs of the body and how to meet them.

3-8

Interactive

Brain Geography

Brain Geography

Which part of your brain controls your ability to swallow? Your instinct to survive? And how do all the brain's parts function cooperatively? Find out with this interactive feature from the NOVA: "Coma" Web site.

6-8

Interactive

Capturing Carbon

Capturing Carbon

In this video segment adapted from NOVA scienceNOW, a scientist, inspired by his daughter's science fair project, develops a synthetic "tree" to remove excess carbon dioxide from the air. OER Level

6-12

Video

Cell Differentiation

Cell Differentiation

In this video segment from The Secret of Life school video, "Sex and the Single Gene" follow as a single fertilized egg cell divides, differentiates, and assembles into the tissues and organs of a new organism. OER Level

6-12

Video

Cell Explorer

Cell Explorer

Explore the parts of a virtual animal cell in this interactive activity adapted from the Exploratorium. Learn about various cell structures and the roles they play in cell division, cellular respiration, and protein synthesis. OER Level

7-12

Interactive

Cell Membrane: Just Passing Through

Cell Membrane: Just Passing Through

This interactive feature describes some of the most important structures and functions of the cell membrane. OER Level

6-12

Interactive

Cellular Service

Cellular Service

The goal of this interactive game is to keep a group of target cells healthy by using blood to deliver and take away various substances to and from the cells. OER Level

6-8

Interactive

Common Past, Different Paths

Common Past, Different Paths

This time-lapse microphotography of developing embryos shows the common ancestry of all vertebrates. Footage from NOVA: "Odyssey of Life."

K-8

Video

Continental Divide: The Breakup of Pangaea

Continental Divide: The Breakup of Pangaea

Examine geological evidence found in fossils, rock deposits, and ancient mountains that supports the theory of continental drift in this interactive activity adapted from the Exploratorium. OER Level

6-12

Interactive

Duckweed

Duckweed

These images of duckweed (Lemna spp.) illustrate the basic anatomy and environment of these fast-growing plants. OER Level

9-12

Image

Energy Flow

Energy Flow

This feature, adapted from Interactive NOVA: "Earth," follows the path of energy as it is transferred via the food chain from one type of organism to another. OER Level

K-5

Interactive

Fever!

Fever!

This video describes the role of the brain in regulating body temperature and how sometimes fever is employed to fight off infection. OER Level

6-8

Video

From the Heart

From the Heart

This video segment describes the basics of the circulatory system: how the heart pumps the blood that carries oxygen and nutrients throughout the body.

6-8

Video

Genetics: Tour of the Basics

Genetics: Tour of the Basics

In this interactive activity from the University of Utah, identify different kinds of genetic traits and how they are passed on from generation to generation. View examples of simple and complex trait inheritance.

6-12

Interactive

Genetic Tool Kit

Genetic Tool Kit

The shared set of genes for body segments, possessed by all animals, are discussed in this video segment from Evolution: "Great Transformations."

6-12

Video

How Cancer Cells Grow and Divide

How Cancer Cells Grow and Divide

This animation from NOVA: "Battle in the War on Cancer: Breast Cancer" describes how oncogenes cause cancer and how cancerous cells can spread throughout the body. OER Level

6-12

Video

How Cancer Grows

How Cancer Grows

Follow the growth of a carcinoma from initial mutation to widespread metastasis in this feature from the NOVA: "Cancer Warrior" Web site.

6-12

Interactive

How Cells Divide: Mitosis vs. Meiosis

How Cells Divide: Mitosis vs. Meiosis

How exactly does meiosis mix and halve chromosomes? Find out through this feature from NOVA: "18 Ways to Make a Baby," which provides a step-by-step, side-by-side comparison of meiosis and mitosis.

6-12

Interactive

Illuminating Photosynthesis

Illuminating Photosynthesis

This interactive feature from the NOVA: "Methuselah Tree" Web site details the process of photosynthesis and its role in the oxygen/carbon dioxide cycle.

3-12

Interactive

Immune Cells in Action

Immune Cells in Action

In this video segment from The Secret of Life Teaching Modules: "Nothing to Sneeze At: Viruses," watch as a virus attacks a cell, and learn how the immune system reacts to this onslaught. OER Level

6-12

Video

Inside a Seed

Inside a Seed

This image from Biology by Kenneth R. Miller and Joseph Levine illustrates the five most important parts of a seed: the seed coat, the endosperm, and the embryo's primary root, cotyledon, and embryonic leaves.

6-8

Image

Life Before Oxygen

Life Before Oxygen

This Interactive NOVA: "Earth" video segment looks at ancient organisms that lived anaerobically, the origins of photosynthesis, and the new forms of life this process made possible.

3-12

Video

Life Cycle of a Seed Plant

Life Cycle of a Seed Plant

In this interactive activity adapted from the University of Alberta, learn about each step in the life cycle of a seed plant. OER Level

6-12

Interactive

Life of a Tree

Life of a Tree

In this interactive activity adapted from the National Arbor Day Foundation, take a sixty-two-year journey observing the inner layers, rings, and environmental factors that affect a tree's growth and life cycle. OER Level

6-12

Interactive

Masters of Disguise

Masters of Disguise

In the face of danger, what's a spineless animal to do? This video segment introduces the concept of camouflage -- how animals achieve it and how this form of disguise benefits both predators and prey. Footage from NOVA: "Animal Impostors." OER Level

K-12

Video

Mendel's Laws of Genetic Inheritance

Mendel's Laws of Genetic Inheritance

This interactive activity, adapted from the Dolan DNA Learning Center, uses Punnett squares to illustrate Mendel's laws of inheritance and how a particular gene combination results in a 3-to-1 ratio of dominant-to-recessive traits. OER Level

6-12

Interactive

Metamorphosis: Change of Plans

Metamorphosis: Change of Plans

All animals develop and grow over time. The animals in this video segment, however, undergo very dramatic changes on their way to adulthood -- a developmental process known as metamorphosis. OER Level

K-5

Video

Mitosis

Mitosis

This video segment, adapted from the Interactive Secret of Life videodisc, explains the stages of mitosis, the process of dividing equally a cell's massive jumble of DNA just prior to cell division. OER Level

6-12

Video

Photosynthesis

Photosynthesis

This video segment from Interactive NOVA: "Earth" looks at photosynthesis, the chemical process plants use to make their own food.

3-12

Video

Producing Penicillin

Producing Penicillin

In this video segment adapted from A Science Odyssey, follow two scientists and their Nobel Prize-winning efforts to cure bacterial infections using penicillin. OER Level

5-12

Video

The Reproductive Role of Flowers

The Reproductive Role of Flowers

In this video segment adapted from NOVA, learn about the critical role of flowers in seed plant reproductive biology. OER Level

6-12

Video

Shape of Things: Trees

Shape of Things: Trees

This video segment from NOVA: "The Shape of Things" describes the pervasiveness of branching systems, which are found in all multicellular organisms.

6-8

Video

Single-Celled Organisms

Single-Celled Organisms

This video segment explores the astounding diversity of the world's smallest life forms: single-celled organisms. OER Level

6-12

Video

Snapshot of U.S. Energy Use

Snapshot of U.S. Energy Use

This video segment adapted from NOVA/FRONTLINE looks at American energy consumption and the resulting production of greenhouse gases. OER Level

3-12

Video

Some Genes Are Dominant

Some Genes Are Dominant

This interactive activity, adapted from the Dolan DNA Learning Center, illustrates how Gregor Mendel used pure-bred yellow and green peas to show that some genes are dominant and others are recessive. OER Level

6-12

Interactive

Where Do You Get Your Energy?

Where Do You Get Your Energy?

In this interactive activity adapted from the Exploratorium, explore how our cells harvest energy from food. OER Level

7-10

Interactive