The “Happy Chemicals”: How Your Brain Creates Joy
These chemicals are called neurotransmitters, and the four main ones that boost your mood are: dopamine, serotonin, oxytocin, and endorphins.
Category Science
Science lessons for kids. Elementary level classes
Celestial Bodies: Definition and Characteristics
A celestial body is any natural object found in outer space.
That includes planets, stars, asteroids, comets, nebulas, and even black holes!
Difference Between Root, Tuber and Bulb: A Comprehensive Botanical Guide
In the world of botany, plants have evolved a variety of specialized underground structures to store nutrients, anchor themselves, and facilitate reproduction. Terms like root, tuber, and bulb refer to different types of these structures, each with unique characteristics and…
Examples of Rhizophagous Animals
Rhizophagous are organisms that feed on roots and belong to the herbivorous category in the animal kingdom. Predominantly, they consist of insects, particularly during their larval stage.
10 Examples of Grass Plants
The grasses, also known as Poaceae, are a family of plants that includes a wide variety of species, most of which are herbaceous. They are characterized by their jointed stems, narrow leaves, and unique flowers organized in spikelets.
How Does Sound Travel?
We live surrounded by sounds and sources of sound. The brain and the nervous system are responsible for interpreting sounds. Moreover, we ourselves produce sounds both naturally and artificially. Let's learn about the sources that give rise to sounds.
The Female and Male Reproductive System [for teens]
The human reproductive system is an organ system by which humans reproduce by giving birth to living offspring. In human reproduction, two types of sex cells, or gametes, are involved. The male gamete or sperm and the female gamete, the ovum. When sperm fertilizes an egg, this fertilized egg is called a zygote. After a long process it becomes an embryo and later a fetus.
Nutrients in Food [Types and Functions]
The foods are grouped according to different criteria. One of them is according to the functions that they develop in our body.
What is Energy? Definition, Types & Examples for kids
Energy is the force capable of generating an action or work. This is a Simple Guide to Understanding Energy: How many devices are there in your life, which consume energy?