Nutrients in food are a good thing but having too many of certain nutrients in our water isn't good! Specifically, nitrogen and phosphorus can pollute waterways ...

Продолжительность: 7:22
Опубликовано: 23 нояб. 2021 г.

Kids learn about water pollution and how it effects the environment and health. Study causes, pollutants, sources, and facts including acid rain.

Продолжительность: 14:13
Опубликовано: 15 мар. 2018 г.

17 авг. 2024 г. · Kids are thirsty for knowledge! Quench that thirst by learning simple ways to save water with WaterSense.

This measurement of the cleanliness and healthiness of water is called water quality. Water quality is different for different organisms, or living things.

Learn all about water pollution. What's polluting our rivers and oceans? Why is water so important? How can we clean up Earth's waterways?

5 сент. 2018 г. · A simple science lesson and fun video on earth's water quality and water distribution for kids in 3rd, 4th and 5th grade!

This lesson considers the factors that influence water quality by observing and evaluating several water samples.

Since almost all of the water is in salty oceans, we can't use it for drinking. In fact, only about 3% of the Earth's water is fresh, and most of that fresh ...