Browse Items (1013 total)
- Collection: 500 Science
Sort by:
Spore
In biology, a spore is a unit of asexual reproduction that may be adapted for dispersal and for survival, often for extended periods of time, in unfavorable conditions. By contrast, gametes are units of sexual reproduction. Spores form part of the…
Exact Trig Values - Hand Trick
There are some key angles that have exact values in trigonometry. The ones we need to know are 0, 30, 45, 60 and 90.
In this video we will discover one method of remember what these values are - by counting fingers on our hand!
In the first…
In this video we will discover one method of remember what these values are - by counting fingers on our hand!
In the first…
Gamete
A gamete (from Ancient Greek ??µ??? gamete from gamein "to marry") is a cell that fuses with another cell during fertilization (conception) in organisms that sexually reproduce. In species that produce two morphologically distinct types of gametes,…
Metamorphosis
Metamorphosis is a biological process by which an animal physically develops after birth or hatching, involving a conspicuous and relatively abrupt change in the animal's body structure through cell growth and differentiation. Some insects, fishes,…
Philosophy of Biology
The philosophy of biology is a subfield of philosophy of science, which deals with epistemological, metaphysical, and ethical issues in the biological and biomedical sciences. Although philosophers of science and philosophers generally have long been…
Identifying Minerals
An overview of the tests that can help you to identify a mineral sample
Input by : Elvira Nadya Saleh
Input by : Elvira Nadya Saleh
Pure Mathematics
What is PURE MATHEMATICS? What does PURE MATHEMATICS mean? PURE MATHEMATICS meaning - PURE MATHEMATICS definition - PURE MATHEMATICS explanation.
Source: Wikipedia.org article, adapted under https://creativecommons.org/licenses/by-sa/3.0/…
Source: Wikipedia.org article, adapted under https://creativecommons.org/licenses/by-sa/3.0/…
Plate Tectonics
Summary – the theory of plate tectonics had enabled us to explain the origin of earthquakes, volcanoes, mountain building and has told us the fascinating history of the earth. To find out the evidence for all this watch “Wegener and the proof of…
Density of Different States
In this video we are going to look at what density is, how it is measured and the differences in density between the different states of matter. Informally, density is a measure of how ‘packed’ a material is with mass. Density is defined as the mass…
A Brief Introduction to Minerals.
What is a mineral?
Input by : Dian Islamiati
Input by : Dian Islamiati
The Forces on an Aeroplane
The video is a contextualized and translated version (suitable for Indian audiences) of the original MITK12 video (linked below). The original license allows the use of this video under CC-BY-NC-SA domain of creative commons community.
LIL…
LIL…
What is DNA
DNA (deoxyribose nucleic acid) is extremely important. All living things have DNA, or in the case of some viruses they have RNA instead.
In eukaryotes, it is found within the nucleus and is arranged into chromosomes.
DNA determines the…
In eukaryotes, it is found within the nucleus and is arranged into chromosomes.
DNA determines the…
Functions and Relations
Part of the NCSSM Online AP Calculus Collection: This video deals with transformations of functions including parent functions and the library of functions and relations. http://www.dlt.ncssm.edu
Please attribute this work as being created by the…
Please attribute this work as being created by the…