Search Results (19)

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Algal cell
Conditions of Use:
No Strings Attached
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This red algal cell (Chlamydomonas nivalis) gives mountain snow packs a red tint. It uses the pollutants in snow as food. It cannot be seen without a microscope.

Subject:
Life Science
Material Type:
Diagram/Illustration
Provider:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
USDA-ARS
Video and Image Data Access (VIDA) Collection
Provider Set:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
Author:
N/A N/A (USDA;ARS)
Applying pesticides
Conditions of Use:
No Strings Attached
Rating

Fertilizer is one way to provide crops with the nutrients they need. Pesticides can also be applied to crops to keep them healthy and free of insects. However, applying too much fertilizer or pesticide protection could harm the environment and organisms.

Subject:
Life Science
Material Type:
Diagram/Illustration
Provider:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
USDA-ARS
Video and Image Data Access (VIDA) Collection
Yakima Agricultural Research Laboratory
Provider Set:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
Author:
Scott Bauer (USDA-ARS;Yakima Agricultural Research Laboratory)
Boy eating
Conditions of Use:
No Strings Attached
Rating

The food that we eat is broken down by our bodies into microscopic nutrients. We need these nutrients to run, swim, read, and even to keep our bodies working while we sleep.

Subject:
Life Science
Material Type:
Diagram/Illustration
Provider:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
USDA-ARS
Video and Image Data Access (VIDA) Collection
Provider Set:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
Author:
Katie Hale (CSUF;)
Crop duster
Conditions of Use:
No Strings Attached
Rating

Pesticides applied by airplanes can drift over into other crop areas or residential neighborhoods, businesses, or schools. These pesticides can harm organisms if used improperly.

Subject:
Ecology
Forestry and Agriculture
Geoscience
Material Type:
Diagram/Illustration
Provider:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
USDA-ARS
Video and Image Data Access (VIDA) Collection
Provider Set:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
Author:
Charles O'Rear (USDA-ARS;)
Flake cereal
Conditions of Use:
No Strings Attached
Rating

This cereal contains less sugar than the apple rings cereal. If the cereal was put into a bag with yeast, the bag would puff up a little bit, but certainly less than the apple rings cereal. The flake cereal contains less sugar than the apple rings cereal.

Subject:
Life Science
Material Type:
Diagram/Illustration
Provider:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
USDA-ARS
Video and Image Data Access (VIDA) Collection
Provider Set:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
Author:
Scott Bauer (USDA;ARS)
Growing Things: Potatoes
Conditions of Use:
No Strings Attached
Rating

This is what can be grown from a single potato, or even part of a potato. You can cut a potato into sections and a new plant will develop as long as a potato eye is included in the cut section.

Subject:
Life Science
Material Type:
Diagram/Illustration
Provider:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
USDA-ARS
Video and Image Data Access (VIDA) Collection
Provider Set:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
Author:
Peggy Greb (USDA;ARS)
Living and non-Living Things: Crops
Conditions of Use:
No Strings Attached
Rating

Soil is a non-living thing, but corn is a living thing. Living things, such as corn, can interact with non-living things, such as the soil, in their environments.

Subject:
Ecology
Forestry and Agriculture
Geoscience
Material Type:
Diagram/Illustration
Provider:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
USDA-ARS
Video and Image Data Access (VIDA) Collection
Provider Set:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
Author:
Bob Nichols (USDA-ARS;)
Living things and non-living things interact
Conditions of Use:
No Strings Attached
Rating

Living things and non-living things interact on a daily basis. The man is a human, a living thing. The corn crop and grass are also living things. The soil that the grass and corn crops are rooted in is a non-living thing.

Subject:
Ecology
Forestry and Agriculture
Geoscience
Material Type:
Diagram/Illustration
Provider:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
USDA-ARS
Video and Image Data Access (VIDA) Collection
Provider Set:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
Author:
Ken Hammond (USDA-ARS;)
Potato with growth
Conditions of Use:
No Strings Attached
Rating

Potatoes are grown in the ground. Potatoes can be eaten by humans and animals and they can also grow more potatoes. Potatoes sprout things called eyes. The eyes are from where both the roots and potatoes develop.

Subject:
Life Science
Material Type:
Diagram/Illustration
Provider:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
USDA-ARS
Video and Image Data Access (VIDA) Collection
Provider Set:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
Author:
Peggy Greb (USDA;ARS)
Red peach and seed
Conditions of Use:
No Strings Attached
Rating

This peach has only one large seed, as compared to the pomegranate that has many seeds. The peach is like an apple in the way that its seed is surrounded by the entire fruit. The fruit can be eaten by humans, but it is actually there as nourishment and food for the peach seed to grow.

Subject:
Life Science
Ecology
Forestry and Agriculture
Geoscience
Material Type:
Diagram/Illustration
Provider:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
USDA-ARS
Video and Image Data Access (VIDA) Collection
Provider Set:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
Author:
Jack Dykinga (USDA;ARS)
Soil as a resource
Conditions of Use:
No Strings Attached
Rating

Soil is a natural resource that humans use to grow plants in. Humans depend on it for crop production. Animals, such as earthworms, use it to live in.

Subject:
Ecology
Forestry and Agriculture
Geoscience
Material Type:
Diagram/Illustration
Provider:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
USDA-ARS
Video and Image Data Access (VIDA) Collection
Provider Set:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
Author:
Keith Weller (USDA;ARS)
Sow with piglets
Conditions of Use:
No Strings Attached
Rating

Pigs are omnivores. Omnivores eat both plants and meat. Humans are also omnivores.

Subject:
Life Science
Material Type:
Diagram/Illustration
Provider:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
USDA-ARS
Video and Image Data Access (VIDA) Collection
Provider Set:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
Author:
Keith Weller (USDA;ARS)
Testing waterways
Conditions of Use:
No Strings Attached
Rating

Pesticides and fertilizers can run off of cropland and into bodies of water. The water sources can become contaminated in this way and harm organisms that live in the water, as well as any organisms that use it as a water source.

Subject:
Ecology
Forestry and Agriculture
Geoscience
Material Type:
Diagram/Illustration
Provider:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
USDA-ARS
Video and Image Data Access (VIDA) Collection
Provider Set:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
Author:
Keith Weller (USDA-ARS;)
Tobacco mosaic virus
Conditions of Use:
No Strings Attached
Rating

The tobacco mosaic virus, like all viruses, must be placed under a microscope to be seen. This virus infects tobacco plants, causing their leaves to become discolored.

Subject:
Life Science
Material Type:
Diagram/Illustration
Provider:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
USDA-ARS
Video and Image Data Access (VIDA) Collection
Provider Set:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
Author:
N/A N/A (USDA;ARS)
Types of Experiments: Control experiment
Conditions of Use:
No Strings Attached
Rating

There is a type of experiment in which a scientist uses a control variable approach. All conditions in the experiment will be the same except for one variable. When testing water tolerance of barley plants, for example, you could not water one plant, over-water one plant, under-water another plant, and water the last plant with the optimal amount of water and observe the results.

Subject:
Life Science
Material Type:
Diagram/Illustration
Provider:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
USDA-ARS
Video and Image Data Access (VIDA) Collection
Provider Set:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
Author:
Peggy Greb (USDA;ARS)
Water snails
Conditions of Use:
No Strings Attached
Rating

Water snails have a shell for protection. They have two tentacles, a foot, and a head and a tail region. Water snails have eyes at the base of their sensory stalks. The stalks are used to smell and feel around the snail's environment.

Subject:
Life Science
Ecology
Forestry and Agriculture
Geoscience
Material Type:
Diagram/Illustration
Provider:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
USDA-ARS
Video and Image Data Access (VIDA) Collection
Provider Set:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
Author:
Scott Bauer (USDA;ARS)
Wheat grass selection
Conditions of Use:
No Strings Attached
Rating

The wheat grass on the right is not tolerant of high salinity, or high salt conditions. The wheat grass on the left is a hybrid that has a high salt tolerance. It grows well in high salinity environments.

Subject:
Life Science
Material Type:
Diagram/Illustration
Provider:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
USDA-ARS
Video and Image Data Access (VIDA) Collection
Provider Set:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
Author:
Richard Wang (USDA;ARS)
An apple
Conditions of Use:
No Strings Attached
Rating

Objects appear to be certain colors because of reflection and absorbance. Light is made up of different wavelengths that our eyes detect and convert into colors. The apple looks green because it reflects the wavelengths that correspond to the color we see as green. The apple absorbs all other wavelengths of light.

Subject:
Life Science
Material Type:
Diagram/Illustration
Provider:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
USDA-ARS
Video and Image Data Access (VIDA) Collection
Provider Set:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
Author:
Scott Bauer (USDA-ARS;)
A field of soil
Conditions of Use:
No Strings Attached
Rating

Soil is an example of a non-living thing. Soil contains nutrients and living organisms, but the soil itself is not alive. Soil is important in plant growth because soil gives plants a place to anchor their roots and it also provides the plant with essential nutrients.

Subject:
Ecology
Forestry and Agriculture
Geoscience
Material Type:
Diagram/Illustration
Provider:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
USDA-ARS
Video and Image Data Access (VIDA) Collection
Provider Set:
BiosciEdNet (BEN): Digital Library Portal for Teaching and Learning in the Biological Sciences
Author:
Scott Bauer (USDA-ARS;)