Children’s / Teenage general interest: Physical world

The arctic tundra is frozen for most of the year.

Learn about the elements that make up our world and the science that defines them.

Madam How And Lady Why was a classic children's book written by Charles Kingsley, remaining a popular bedtime choice for discerning parents today.

In 2007 only thirty Amur leopards remained in the wild.

Tornado siren!

Boom!

Yikes!

Ping!

Look!

Wow!

March 25, 1913, began as a typical day in Dayton, Ohio.

Have you and your family eaten organic foods?

Have you ever shopped for fruits, vegetables, or meat at a local farmers' market?

Have you seen eggs labeled "e;free-range"e;?

Vehicles such as cars, trucks, planes, and ships create much of the pollution in our environment.

Pollution from nuclear power plants can have extremely harmful effects on people, animals, and the environment.

Factories create large amounts of pollution when making their products.

Americans throw away millions of tons of waste at home every year.

Fossil fuels such as coal, oil, and gas create many types of pollution.

Everyone needs to eat, yet farming is a major cause of pollution around the world.

Do you ever worry about the environment?

An ordinary blue thermos holding blood samples from a sick nun in Zaire reached Belgium's Institute of Tropical Medicine in September 1976.

Times are tough for shrimpers and fishers in the Gulf of Mexico.

Do you know what happens to water when it evaporates?

Do you want to experience what it's like to chart new territory and survive the unexpected?

Are you fascinated by wide open spaces and like NOT knowing where a path might lead?

Do you want to be your own naturalist and watch animals out there where they belong?

What happens when you find yourself stranded in the big outdoors, without a phone or computer in sight?

Every day, people on Earth use about 90 million barrels of petroleum (oil and natural gas) to fuel cars, buses, airplanes, farm equipment, and factories; to heat their homes; and to manufacture detergents, paints, plastics, and countless other products.

Where is the Solar System's biggest mountain?

Math is everywhere when it comes to the weather!

South America is a remarkable continent, with its lush Amazon rain forest and its vibrant cities.

North America is an incredible continent, stretching from the polar ice cap almost to the equator.

Europe is a marvelous continent, made up of about fifty countries.

Australia is the smallest continent, known for having the largest coral reef in the world.

Asia is the world's largest continent, both in land area and in population.

Antarctica is a fascinating continent, with its South Pole research station and its thick sheets of ice.

Africa is an amazing continent, with its vast array of wildlife and its ancient monuments.

Water is essential to life on our planet.

Most people are familiar with spring, summer, fall, and winter.

Igneous rocks, sedimentary rocks, and metamorphic rocks make up the three main types of rocks.

Discover the inspiring true story of Isatou Ceesay, an African woman who started a recycling movement to combat the pollution caused by plastic bags in her community.

A rock is a rock, part of cliff, road or sea.

Do you want to be your own naturalist and watch animals out there where they belong?

What happens when you find yourself stranded in the big outdoors, without a phone or computer in sight?

Do you want to experience what it's like to chart new territory and survive the unexpected?

Are you fascinated by wide open spaces and like NOT knowing where a path might lead?

Are you curious about fire trucks?

As the planet's human population explodes, so does the demand for water.

Discover the inspiring true story of Isatou Ceesay, an African woman who started a recycling movement to combat the pollution caused by plastic bags in her community.