In an invertebrate beauty pageant, why do millipedes always scuttle away with the crown? Part four of a five-part series of Invertebrate videos compares and contrasts the millipede with the centipede in terms of diet, behavior, and body...

Human bodies prove evolution thanks to our genes, bones, and more. Learning about specific body parts and how they evolved from other species helps individuals better understand the transition species that helped us become who we are today.

Snakes are just lizards without legs, right? Scholars study the sensational evolutionary history of the snake with a video from a well-written biology playlist. Topics include snake fossils, theories on snake evolution, and...

Use the right congruence statement. The video introduces the Hypotenuse-Leg Theorem to prove two right triangles are congruent. Part of a geometry playlist shows that it does not matter which leg to use when proving congruence.

Give your learners a leg up in their study of engineering. Groups design and create a prothestic for a leg. They test out their designs for strength, stability, durability, and comfort.

Make sure the measurement is right. The interactive provides right triangles with a missing side measurement. Pupils use the given sides and the Pythagorean Theorem to calculate the length of the missing side. After entering the length,...

Find the right way to identify sides of right triangles. Scholars learn to correctly label the sides of a right triangle in the second video in a series of 16. The exercise is in preparation for determining trigonometric ratios.

A trigonometric ratio is a ratio between two sides of a right triangle. In this problem, find sin(A) in the given right triangle. Use the ratio of the opposite side over the hypotenuse.

What are all the parts of a right triangle called? What makes it a right triangle? Legs? Triangles have legs? Hypotenuse? Pythagorean Theorem? The instructor diagrams and identifies all the parts of a right triangle for you.

Trigonometry? What's trigonometry. Well, something to do with triangles, right? Right! Right triangles! In this problem, find the missing length of one of the sides. So set this up as a ratio: cosine(A) = adjacent side length divided by...

An above-average vocabulary test: given a vocabulary word in the context of a sentence, pupils must decide, using their knowledge of the word's meaning along with context clues, if the word is used correctly or not. This worksheet...

MyVocabulary.com features three levels of words for each root; this fill-in-the-blanks quiz contains a word bank of beginner vocabulary containing the roots cern/cer/cre, jur/jus, and leg. You can print it out, or your learners can take...

Identify the variables, identify the given values and use a formula to find the missing length in this right triangle problem. What formula? The tangent ratio, which is normally used to show a ratio between two sides of a right triangle,...

What's a trigonometric ratio? It is a ratio between two sides of a right triangle. In this problem, find tangent(A) in the given right triangle. Use the ratio of the opposite side divided by the adjacent side to find tan(A). The...

What's a trigonometric ratio? It is a ratio between two sides of a right triangle. In this problem, find sin(A) in the given right triangle. Use the ratio of the opposite side divided by the hypotenuse to find sin(A). The instructor...

A right triangle. Two given measurements for two side lengths and one unknown length. Use the Pythagorean theorem to solve this problem and find the missing value. Squares and square roots are used in this problem and don't worry when...

Pupils are provided with six vocabulary words containing the word roots cern, jur, and leg as well as a word bank of six corresponding synonyms and antonyms. To complete this word puzzle, they must fill in the appropriate synonym and...

Assist your littlest learners in identifying the parts of their bodies. Each slide contains a labeled image of an individual body part. Arms, legs, hands, and feet to mention a few. Tip: Turn this visual presentation into a kinesthetic...

Vocabulary sleuths pair words from Latin roots cern, jur, and leg with their definitions in this interactive online matching exercise. Site has other activities for these and more Latin roots as well as word lists at beginner,...

Young etymologists match intermediate-level words containing the Latin roots cern, jur, and leg with their definitions. They can email their results to you, print out the list for further study, and undertake an array of other related...

A fun and challenging way of using word roots to increase learners' vocabulary, this crossword puzzle provides 12 clues to vocabulary words containing the word roots cern, jur, and leg. In order to complete the puzzle, they must supply...

Words containing the Latin roots cern, jur, and leg are featured in an audio story to support proper pronunciation and use. Target words are repeated for emphasis, to give listeners a chance to practice. Context story seems contrived to...

A bank of 12 words derived from Latin roots cern, jur/jus, and leg scaffolds this exercise for learners who situate the words in challenging sentences. Makes a nice cross-curricular supplement to social studies and law. Quiz results can...