Chemistry Collective
Virtual Lab: DNA Binding Problem
Why do the bases in DNA pair up the way they do? Unravel the mystery of the double helix in a virtual lab. Young scientists follow in the footsteps of Watson and Crick to determine the free energy associated with DNA base pair binding....
Curated OER
Measure Exactly 8 Liters of Water
For this measure exactly 8 liters of water worksheet, 6th graders read the problem and solve the question of measuring 8 liters with only a 6 liter and an 11 liter bucket.
Curated OER
Math Puzzles: Connected Loops
In this math puzzles: connected loops worksheet, 6th graders read an explanation of the puzzle, then solve by figuring out how to connect the loops, answer is available online.
Physics Classroom
Vector Addition
Three levels of practice assure scholar mastery of vector addition. After inputting an incorrect answer, another problem replaces it so everyone finds success. The lesson works as one part of a series on vectors and projectiles.
Curated OER
Problem Solving Involving Two People with Incorrect Watches
In this problem solving activity, students calculate what happens when two people plan to meet but their watches are wrong. The solutions with explanations is provided.
Curated OER
Euler Fortune Problem
In this problem solving worksheet, students solve for the amount of the fortune a father starts with before he divides it among his children, given a set of clues. Students must also solve for how many children the money is divided...
Curated OER
Breaking News English: Noise Pollution in the Oceans
In this noise pollution in the oceans worksheet, students read the article, answer true and false questions, complete synonym matching, complete phrase matching, complete a gap fill, answer short answer questions, answer discussion...
Curated OER
Breaking News English: Amazon.com's Frustration Free Package
In this Amazon.com learning exercise, students read the article, answer true and false questions, complete synonym matching, complete phrase matching, complete a gap fill, answer short answer questions, answer discussion questions,...
Curated OER
Breaking News English: Ivory Trade
In this Ivory trade worksheet, students read the article, answer true and false questions, complete synonym matching, complete phrase matching, complete a gap fill, answer short answer questions, answer discussion questions, write, and...
Physics Classroom
Recognizing Forces
A common complaint among physics scholars studying Newton's laws of motion concerns drawing free-body diagrams. To practice the required pre-requisite skills for free-body diagrams, individuals identify which forces act in specific...
Physics Classroom
Position-Time Graphs - Conceptual Analysis
Increasingly, colleges and employers want applicants with strong conceptual analysis skills, so give them some practice! Applying these skills to position-time graphs encourages synthesis of knowledge. To complete an installment of a...
Physics Classroom
Match That Free-Body Diagram
Pupils read a description of a physical situation and select the free-body diagram that best matches. As part of a series on applying Newton's Laws of Motion, scholars reinforce their skills applying forces and considering their relative...
Physics Classroom
Up And Down
Many scholars confuse velocity and acceleration even after they correctly solve basic problems. Using an interactive, part of a series on vectors and projectiles, with immediate feedback focuses their attention on the up or down...
Physics Classroom
Change of State
Free-body diagrams display all forces acting on an object, helping scientists represent Newton's Laws of Motion. Scholars read a short description of motion and view the free-body diagram to begin the installment of a larger series on...
Curated OER
Fractions Two-Step Word Problems-Mixed Numbers
In this fractions activity, students complete word problems containing fractions and mixed numbers. Students complete 12 problems.
Curated OER
Sixteen Mutually Exclusive Probability Problems
In this mutually exclusive probability activity, students solve for the probability of sixteen mutually exclusive events. A short explanation is provided. Additionally students can find hints and check their solutions by...
Physics Classroom
Graph That Motion
Pupils apply their knowledge of the shape and slope of graphs to interpret the motion of an object. Three levels of difficulty provide plenty of practice with support thanks to the "Help Me!" button offered with each question.
Physics Classroom
Motion Diagrams
Scholars work through three activities building motion diagrams as part of a series exploring dimensional kinematics. Each activity has six descriptions requiring application of velocity vectors, acceleration vectors, and challenge...
Curated OER
Least Common Multiple or Least Common Denominator
Fifth and sixth graders solve 12 math problems by finding the least common multiple or least common denominator. They type the answer into the text box.
Physics Classroom
Name That Motion
Pupils apply their understanding of motion to 11 practice problems as part of a series on dimensional kinematics. They view a dot diagram animation and read descriptions to identify which match. As a bonus, the interactive offers...
Arcademics
Speedway
Race to extreme fluency. Scholars play a car race online game where the faster they choose the answer to fraction addition and subtraction problems, the faster their cars go. Pupils play against the computer or other players online....
Online Math Learning
Divide Whole Numbers By Fractions
Use this interactive division worksheet to have your learners solve 12 division problems. The division problems involve dividing with fractions and whole numbers. Answers can be checked with a quick click!
Online Math Learning
Divide Fractions by Whole Numbers
After a brief introduction for the objective of dividing fractions bywhole numbers, 10 problems are provided to solve. Hints can be asked for and answers checked on this online worksheet.
Physics Classroom
Color Filters
Filters provide amusing changes to images in applications other than just Instagram! High school pupils apply their knowledge of colored filters to three different interactive sets of puzzles. They identify light colors that pass through...