Sort through the "junk drawer kingdom" as the protists laugh at our attempts to classify them! AP biology classes consider the array of organisms that do not file neatly into the other four kingdoms of classification. Evidence for the...

In this introduction to approximation theory, students compute the slope and intercept of a line. They describe nonlinear relationships. This four page worksheet contains approximately five problems.

In this molecular shapes worksheet, students read about how to predict molecular shapes in molecules based on the number of electron pairs and the VSEPR theory. Students are given twelve molecules, they draw the Lewis structures and...

In this universe worksheet, students read about the big bang theory and the evolution of the stars from the elements. Students answer four critical thinking questions about the beginnings of our universe.

Start this lesson with a bang! The eighth in a 13-part series of lessons explains the origin of elements beginning with the Big Bang Theory. The reading describes the formation of elements hydrogen through uranium.

Why are only four colors needed to color webs from regular pentagons, not five? An assessment task requires young mathematicians to first construct regular pentagons using a compass and straightedge, then has them consider a shape...

In this crystal field theory learning exercise, students practice using the theory to calculate high and low spin octahedral complexes. This learning exercise has 10 problems to solve.

Assist your class with understanding collisions as they apply the Law of Conservation of Momentum. Pupils measure the momentum before and after manipulation of two objects so that one strikes another in an inelastic collision. The lesson...

In this scientific method worksheet, students answer questions about the various steps of the scientific method. They distinguish between the variables in an experiment and between a hypothesis and a theory.

For this music intervals worksheet, students study the music notes in fifths. Students write the fifth notes up and down in the treble and bass clef. Students label the two notes with the correct alphabet letter.

In this natural selection worksheet, students read a cartoon about cricket mating that explains natural selection, fitness and evolution. They answer four questions about each of these topics.

Note values are the focus of a short worksheet that asks young musicians to respond to short-answer questions and to complete a measure with notes of the appropriate value.

Was the Titanic advertised as an unsinkable ship, or was it just what the public believed? In this analysis activity, historians examine both primary and secondary sources to determine the answer to this question and the reliability of...

Why is an atlas called an atlas? Because it is named for the Greek Titan, Atlas, of course. Young readers learn all about Atlas and atlases in a short passage used as the basis of a reading comprehension exercise. After responding to...

In this NASA satellites worksheet, students read about the Magnetosphere Multi-Scale satellite constellation that NASA will launch in 2013. They solve 4 problems including finding the volume of the MMS constellation, finding how long it...

In this alchemy instructional activity, students read about the early thoughts of alchemists regarding elements. Students are given an experiment done by an alchemist during the Middle Ages and they answer three questions about the...

AP biology course-takers peer into the workings of inheritance with this worksheet. They examine the Chromosomal Theory of Inheritance, Morgan's fruit fly experimentation, and sex-linked genetic traits. Vocabulary definitions and...

In this solutions worksheet, students determine colligative properties, calculate specific heat, and review the kinetic theory as it applies to gases. This worksheet has 8 multiple choice and 9 problems to solve.

This online, interactive worksheet helps English language learners practice identifying the correct article among four options. Feedback is immediate by clicking on the answer button following each questions. It includes 15 questions...

In this finding the sums of word problems worksheet, students add the one-digit word numbers and numerals and use the pictures to assist them. Students solve four problems.

This extensive and far-reaching collection of worksheets puts a new twist on many basic concepts. Learners use multiplication to trace a path from one point to another, tile a plane by converting between improper and proper fractions,...

In this space science learning exercise, students use the sites listed on the Solar System and Planets page of the Kid Zone to locate the names of the people credited with each discovery. They identify and name 26 different scientists...

This heady calculus text covers the subjects of differential and integral calculus with rigorous detail, culminating in a chapter of physics and engineering applications. A particular emphasis on classic proof meshes with modern graphs,...

For this psychology worksheet, students complete 5 short answer questions about traits, mutations and the theory of natural selection.