The phrase "allowed them to observe" is correct and usable in written English.
You can use it when describing a situation where permission was granted for someone to watch or monitor an activity or event.
Example: "The teacher allowed them to observe the experiment from a safe distance."
Alternatives: "permitted them to watch" or "granted them the opportunity to see".
That allowed them to observe how a carbon-based molecule rearranged itself into other molecules when temperatures exceeded 194 degrees Fahrenheit.
This allowed them to observe the frequency of extreme weather events in Russia during each decade, with and without the effects of the warming due to human-induced climate change.
"It would benefit Oracle most due to their two-boat testing and now even TNZ and LR since the jury allowed them to observe and exchange design and performance information," he says.
Nilda I. Soto, the assistant dean for minority student affairs at Albert Einstein College of Medicine, said that the programs at Lehman and Queens Colleges had helped prepare students for medical school interviews, allowed them to observe medical students and tutored them in courses like physical anatomy.
This allowed them to observe their strengths and weaknesses in the development of the course competencies.
They constructed a simplified computational model of the human immune system, simulating how immune cells and signaling molecules behave during sepsis, which allowed them to observe how the model responded to various potential interventions applied in the first week of a clinical course.
A user interface allows them to observe the running experiment, and to download experimental data for offline analysis.
In 2014 Hawthorn was the first club to use remote control drones to film training from overhead, allowing them to observe running patterns and structures.
All have in common a certain innocence of mind that allows them to observe life openly and with a sense of fair play, though not without judgment.
Police have shared a provisional list of victims with relatives and are rushing to release bodies to relatives to allow them to observe Muslim burial practices.
Using affordable and commonly available materials, the students will build an enclosure that allows them to observe ant behavior as the ants explore a new area.
