CK-12 Foundation
Work and Force: Lifting a Bucket
How much work does it take to lift a bucket? An interactive presents a problem of lifting a bucket from the ground to the top of a building. Using their knowledge about work and integrals, pupils calculate the amount of work required to...
CK-12 Foundation
Astronaut Training Chamber
Most people realize they would weigh less if they were on the moon, but does it change how much weight you could lift if you were on the moon? Scholars adjust the mass of an object to be lifted and select between four different...
CK-12 Foundation
Block and Tackle
Can you easily lift more than your own weight? With a pulley system, almost anyone can manage this challenge. Scholars adjust the mechanical advantage (number of pulleys), weight of object being lifted, and the length of rope pulled. The...
CK-12 Foundation
Ramp and Piano
Can you lift a piano into a truck? Simulation allows scholars to explore the relationship between force, ramp length, and weight. Pupils control the variables of truck bed height, ramp length, weight of piano, and the number of friends...
Curated OER
Commas-Exercise 4
In this comma worksheet, learners read sentences, add commas if needed, or put an X boxes within the sentence if they believe no comma is necessary.
Curated OER
Student Exploration: Levers
In this earthquake exploration worksheet, students complete 2 prior knowledge questions, then use "Levers Gizmo" to conduct several activities, completing short answer questions when finished.
Curated OER
Using Articles A or AN
In this using articles worksheets, students read each sentence and fill in the blanks using the correct article. Students are given 10 sentences to practice the skill.
Curated OER
Intermediate Sentence Completion Exercise 9
In this online interactive grammar skills instructional activity, students examine 10 sentences that are missing words and select the appropriate words to complete each of the sentences and match them to the sentences. Student ...
Curated OER
Adjective Endings: ED/ING
In this adjective worksheet, students fill in blanks in sentences with correct words, placing the proper ending on an adjective given.