Experiments ran for days in space.

Meaning: Scientific tests or procedures carried out to make a discovery or test a hypothesis were carried out quickly for periods of 24 hours while in space.

Choice of Words: Experiments are scientific tests or procedures carried out to make a discovery or test a hypothesis. Ran means to move quickly using your legs. For indicates a period of time or a purpose. Days are periods of 24 hours. In means located within or surrounded by something.

Alternative Expressions

Experiments went on for days in space.

Meaning: This means that there were activities done to learn or test something, and these activities continued happening outside of Earth's atmosphere for many days.

Choice of Words: Experiments are activities that are done to learn something new or to test something. Went on means that the experiments continued happening. For days means that the experiments lasted for many days. In space means that the experiments were happening outside of the Earth's atmosphere.

Experiments continued for days in space.

Meaning: This means that there were activities done to learn or test something, and these activities kept happening outside of Earth's atmosphere for many days.

Choice of Words: Experiments are activities that are done to learn something new or to test something. Continued means that the experiments kept happening. For days means that the experiments lasted for many days. In space means that the experiments were happening outside of the Earth's atmosphere.

Related Expressions