NASA
NASA | Satellite Tracks Saharan Dust to Amazon in 3-D
For the first time, a NASA satellite has quantified in three dimensions how much dust makes the trans-Atlantic journey from the Sahara Desert to the Amazon rainforest. Among this dust is phosphorus, an essential nutrient that acts like a...
Curated Video
Using Line Plots to Solve Science Experiment Problems
This video lesson explains how to use line plots to solve problems and interpret data. It emphasizes the importance of organizing data and being accurate with spacing when creating line plots. The example used in the video involves a...
NASA
NASA | Plant Productivity in a Warming World
The past decade is the warmest on record since instrumental measurements began in the 1880s. Previous research suggested that in the '80s and '90s, warmer global temperatures and higher levels of precipitation -- factors associated with...
msvgo
Mineral Requirements of Plants
It describes the need for mineral nutrition in plants, lists the criteria for essentiality of an element and classifies the minerals required by plants as macro and micronutrients.
Ancient Lights Media
Control of Plant Growth
This clip explains the key role of the plant hormone Auxin in controlling growth in plants.
Ancient Lights Media
The Role of Auxin in Plant Growth
Plant Physiology and Chemistry Set: 5. This clip explains
FuseSchool
Uses of Plant Hormones
In this video we are going to look at a few different ways in which plant hormones can be used.
Plant growth hormones (auxins) can be used as selective weedkillers. The selective weedkillers contain growth hormones, that cause the...
msvgo
Plant Growth
Explain the process and phases of plant growth, growth curves and factors controlling growth in plants.
KnowMo
Introduction to Functions
This video provides an introduction to the concept of functions in mathematics. The lecturer compares functions to machines that take an input, apply a specific rule or operation, and give an output. The video also provides examples of...
Professor Dave Explains
Plant Responses to the Environment: Tropisms and Defenses
We've already learned a little bit about plant hormones, but let's dig a little deeper so that we can really examine the different ways that plants can respond to stimuli. These are called tropisms, and they can be positive or negative,...
Getty Images
Track across newly sown grass seed as it is covered with soil and watered
Track across newly sown grass seed as it is covered with soil and watered
Curated OER
Desperate Houseplants
In this episode of "Desperate Houseplants" two houseplants find out they aren't getting what they need. They need water and sunlight. Thankfully, the gardener notices the state they're in and gives them water and sun.
Learning Games Lab
Unavailability of Water in Saline Soils
Viewers of a short video learn about salt and water molecules and how their characteristics determine how they interact with each other. Then, they watch a simulation of how the interaction limits the uptake of water in plant roots and...
Learning Games Lab
The Olsen Test for Phosphorus
A short video teaches viewers about the Olsen Test, a soil test specific for plants grown in arid regions. The soil in arid regions has a higher pH and plants require special treatment to thrive. The video provides information about the...
FuseSchool
Plant Growth: Auxins and Gibberellins
Why does a plant grow toward the sun? The video, part of a Fuse School Plants playlist, explains the chemical processes behind plant growth. It details how auxins, gibberellins, and the sun work together. From curving plant stems to...
TED-Ed
Why Do We Kiss Under Mistletoe?
Hanging mistletoe is a holiday tradition, but where did the idea of kissing under mistletoe come from? In actuality mistletoe can be found in nature throughout all four seasons, and is home and food to birds and insects. Watch a video...
Crash Course Kids
Why No Polar Pineapples
Why do certain plants only grow in specific regions of the earth? This is the focus of a video that explains how Earth's tilt affects the amount of direct and indirect sunlight certain areas receive.
Crash Course Kids
Vegetation Transformation
How do plants transform the sun's light energy into chemical energy? This is the focus of a video that explains the processes of photosynthesis.
Crash Course Kids
How to Get Resources - Picky Pineapples
How do we survive if the resources we need are not available? This is the focus of a video that explains how humans adapt and transform to get the resources they need. An investigation of how Las Vegas has adapted to using a...