How can an object as heavy as an airplane fly? Turns out the answer is quadratic! Your classes explore the Bernoulli Effect through an interactive graph representation. As a plane increases in speed, the lift force also increases. Young...

In this online interactive English vocabulary skills worksheet, students answer 10 matching questions which require them to fill in the blanks in 10 sentences. Students may submit their answers to be scored.

Four short exercises give learners the opportunity to review relative clauses including should, might, who, which, or that. They complete a fill in the blank activity first before forming complete sentences from a collection of phrases...

In this beginning sentence completion exercise 30 worksheet, students working online, complete 10 sentences by selecting the correct word(s), with immediate feedback.

For this online interactive grammar skills worksheet, 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 answers are scored...

In this online interactive grammar skills worksheet, 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 answers are scored...

For this online interactive grammar skills worksheet, 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 answers are...

For this sentence completion worksheet, students complete sentences using should, might, who, which, and that, make sentences, combine sentences, and more. Students complete 4 sentences total.

In this /ee/ vs. /i/ worksheet, 4th graders choose the correct word to complete 20 sentences using words that sound almost the same, with immediate online feedback.

[Free Registration/Login Required] With the given shapes and labels, construct a second-class lever that would help in lifting very heavy items.