Teacher Badges (2)
Allthinker Dorian Gray
Courses
Science Elementary Science
This course provides an introduction to elementary science concepts and is optimal for grades 5-8.
Lessons
19 Scores Science › Earth Science Oceans Overview
The important role the ocean plays in the earth's ecology.
12 Scores Science › Biology Blood Simple
Physicians are testing a synthetic blood to see how efficiently it transports oxygen.
9 Scores Science › Biology Human Hibernation
How studying hibernation could help critically ill patients.
10 Scores Science › Biology Vampire Bats
Vampire bats and the spread of rabies in Peru.
7 Scores Science Fossils
Fossils found in marble that was destined to be a high end counter top.
5 Scores Science › Earth Science Peak Water
How cities in desert climates are working to conserve water.
3 Scores Science › Earth Science Detecting Earthquakes
New technology to predict earthquakes.
1 Scores Science › Biology Mirror Neurons
Description of how mirror neurons function in primates.
2 Scores Science › Biology Aging Gene
A gene that may help increase longevity.
9 Scores Science › Earth Science Alternative Energy
Overview of some basic alternative energy technologies.
4 Scores Science › Biology Introduction to Heredity
Heredity and Classical Genetics. Dominant and recessive traits. Heterozygous and homozygous genotypes.
3 Scores Science › Biology Adenosine Triphosphate
Introduction to ATP
1 Scores Science › Biology Hardy-Weinburg Principle
Understanding allele and genotype frequency in population in Hardy-Weinberg Equilibrium.
2 Scores Science › Biology Replacing Body Parts
Emerging research to generate human body parts for organ transplants.
2 Scores Science › Biology Viruses
Introduction to viruses: structure, lytic and lysogenic cycles.
3 Scores Science › Earth Science Flotsam
Study ocean currents by tracking the movement of debris.
1 Scores Science › Biology Biobanking
The rise in popularity of warehousing human tissue for future research.
3 Scores Science › Biology Carl Sagan-Evolution video
Overview of evolution from the first cell to humans.
1 Scores Science › Chemistry Electron Configuration
More intuition on orbitals and touches on electron configuration.
2 Scores Science › Biology California Grunion
Unique spawning practices of the California Grunion
0 Scores Science › Earth Science Oil Spill Clean-Up
New strategies to clean the ocean and animals affected by oil spills.
0 Scores Science › Earth Science Relocating Gulf Turtle Eggs
A mass relocation of Gulf Turtle nests to keep the young turtles away from the oil spill.
1 Scores Science › Earth Science Oil Eating Bacteria
Using bacteria to clean up oil spills.
0 Scores Science › Chemistry Orbitals
An introduction to orbitals.
3 Scores Science › Chemistry Introduction to the Atom
The atom, proton, neutron and electron.
4 Scores Science › Biology Lie Detectors
The accuracy of polygraphs vs. brain scans.
0 Scores Science › Biology Switching Genes On and Off
How genes are activated.
2 Scores Science › Biology Intro to Cellular Respiration
Introduction to Cellular Respiration; Glycolysis, Krebs Cycle, Electron Transport Chain
1 Scores Science › Biology Glycolysis
Overview of glycolysis.
0 Scores Science › Biology Electron Transport Chain
Overview of the Electron Transport Chain
0 Scores Science › Biology The Krebs Cycle
Overview of the Krebs Cycle.
2 Scores Science › Biology Bacteria
Introduction to bacteria. Differences between eukaryotic and prokaryotic cells.
2 Scores Science › Biology Cell Structure
The parts of a eukaryotic cell.
361 Scores Science › Physics Magnetism: How Magnets Work
Learn the basics of how magnets work.
0 Scores Science › Earth Science Weather and Climate
Learn the basics of the weather and climate on Earth.
166 Scores Science The Phases of Matter
Learn the three phases of matter: liquid, solid, gas.
157 Scores Science › Physics Science of Sound
Learn about the science of sound including how sound works and travels.
1 Scores Science › Biology DNA Vocabulary
The vocabulary of DNA: chromosomes, chromatids, chromatin, transcription, translation, and replication
1K Scores Science › Biology Learn Photosynthesis (Song)
Learn how photosynthesis works with this simple song! Intended for grades 4-6, but a fun review for everyone.
83 Scores Science How Big is Our Universe?
Learn about our place in the universe through a discussion with researchers at the Keck Observatory, which houses some of the most powerful telescopes in the world.
60 Scores Science › Biology Immune System - The Natural Killer Cell
Natural Killer Cells are a specific type of lymphocyte (white blood cell) and are the most aggressive component of the innate immune system. Learn how Natural Killer Cells function.
8 Scores Science › Medicine The Placebo Effect
Learn about the most interesting findings regarding The Placebo Effect.
2K Scores Science Earth's Orbit
Basic overview of the Earth's orbit around the sun.
5 Scores Science › Biology Evolution and Natural Selection
Introduction to evolution, variation in a population and natural selection.
3 Scores Science › Biology DNA, RNA, and Protein Synthesis
Intro to DNA replication and RNA & protein synthesis.
3 Scores Science › Biology Sex-linked traits
Chromosomal basis for gender and sex-linked traits.
3 Scores Science › Biology Mitosis
Phases of mitosis
37 Scores Math Multiplying Fractions
Analyze Proportional Relationships And Use Them To Solve Real-World And Mathematical Problems.
19 Scores Math Dividing Fractions
Analyze Proportional Relationships And Use Them To Solve Real-World And Mathematical Problems.
30 Scores Math Order of Operations
Analyze Proportional Relationships And Use Them To Solve Real-World And Mathematical Problems.
84 Scores Math Adding/Subtracting Negative Numbers
Understand subtraction of rational numbers as adding the additive inverse, p – q = p + (–q). Show that the distance between two rational numbers on the number line is the absolute value of their difference, and apply this principle in real-world conte
32 Scores Math Adding and Subtracting Fractions
Analyze Proportional Relationships And Use Them To Solve Real-World And Mathematical Problems.
3 Scores Math › Statistics Statistics: The Average
Use Random Sampling To Draw Inferences About A Population.
58 Scores Math Multiplying/Dividing Negative Numbers
In this lesson, you will learn to multiply and divide negative numbers.
87 Scores Math › Arithmetic Compute Unit Rates / Ratios of Fractions
Compute unit rates associated with ratios of fractions, including ratios of lengths, areas and other quantities measured in like or different units. For example, if a person walks 1/2 mile in 1/4 hour, compute the unit rate as the complex fraction 1/2/1/4
7 Scores Math Writing Decimals as Percents
Learn how to write decimals as a percent and take a short quiz to review.
4 Scores Math Add/Subtract Rational Numbers
Apply and extend previous understandings of addition and subtraction to add and subtract rational numbers; represent addition and subtraction on a horizontal or vertical number line diagram.
5 Scores Math Opposite Quantities
Situations in which opposite quantities combine to make 0. For example, a hydrogen atom has 0 charge because its two constituents are oppositely charged.
4 Scores Math Proportional Relationships (pt 1)
Students will be able to recognize and represent proportional relationships between quantities.
10 Scores Math Dividing Lessons
Learn how to Divide Decimals.
9 Scores Math Converting Fractions to Decimals
Fractions are converted to decimals by dividing the numerator by the denominator. Learn how to convert fractions into decimals in this review.
10 Scores Math Rounding Decimals
When rounding decimals, round up to the next digit in the sequence if the digit is equal to or greater than five. Round decimals to specific decimal places using tips from a math tutor in this free video on math skills.
4 Scores Math Subtracting Feet and Inches
Learn how to subtract feet and inches.
33 Scores Business & Economics How to Analyze an Income Statement
How to look at horizontal analysis, trend analysis, vertical analysis, and ration analysis to determine a business's market position.
7 Scores Business & Economics Banking
Introduction to how banks make money and the value they (potentially) add to society.
1 Scores Business & Economics Inflation, Deflation & Capacity Utilizat
A discussion of inflation and deflation.
1 Scores Business & Economics Economics of a Factory
An interesting analysis of the cupcake business.
1 Scores Business & Economics Introduction to Economics
Economics of a simple business leading up to a discussion on inflation/deflation.
14 Scores Foreign Language › English (ESL) Common Expressions in English
Explain the function of phrases and clauses in general and their function in specific sentences.
8 Scores Foreign Language › English (ESL) Countable and Uncountable Nouns
Demonstrate command of the conventions of standard English grammar and usage when writing or speaking.
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