Using participles in relative clauses：练习题

Complete the following sentence using a present participle in a relative clause:

Scientists ________ the diffusion of fluid often refer to the process as osmosis.

In a science report, you see the phrase: "bubbles ________ on the eggshell". Which participle clause correctly identifies the bubbles as being the result of a reaction?

Identify the sentence that correctly uses a participle clause to combine these two ideas:
1. There are factors.
2. These factors contribute to environmental pollution.

Identify the correct past participle to complete the relative clause in this academic context:

Exhaust fumes ________ from diesel vehicles are a major source of air pollution.

Which sentence uses a participle clause to provide a more formal alternative to the relative clause "who are learning through English"?

Combine the following two sentences into one using a present participle clause:
The girl is playing the piano. She is my sister.

Rewrite the sentence below by replacing the relative clause with a present participle clause:

The students who are conducting the experiment must wear safety goggles at all times.

Rewrite the following sentence by replacing the relative clause with a present participle phrase:

The researchers who are investigating the effects of microplastics have found alarming data.

A student wrote a description of a Science experiment but used very basic sentences. Rewrite the following sentences using participles as adjectives or participles in relative clauses to make the writing more sophisticated.

a) The liquid which was bubbling in the test tube turned bright green. (Use a present participle in a relative clause)
b) We were all shocked by the results that were unexpected. (Use a past participle as an adjective before the noun)
c) The scientist who was frustrated decided to start the trial again. (Use a past participle in a relative clause)

Rewrite the following sentences by replacing the underlined relative clauses with participle phrases. Ensure the meaning remains the same.

a) The teacher congratulated the students who participated in the debate.
b) We finally received the package that was sent from London last month.