Astronauts tested plants in orbit.

Meaning: People who travel into space examined living things that grow in soil and produce food and oxygen while they were moving around another object.

Choice of Words: Astronauts are people who travel into space. Tested means to examine something to see how it works or reacts. Plants are living things that grow in soil and produce food and oxygen. In means located within or surrounded by something. Orbit is the path that an object takes as it moves around another object.

Alternative Expressions

Astronauts grew plants in space.

Meaning: This means that astronauts were making plants grow in space.

Choice of Words: Astronauts are people who travel to space. Grew means to make something grow. Plants are living things that grow in the ground. Space is the area beyond the Earth's atmosphere. When you put these words together, you get the sentence: Astronauts grew plants in space, which means that astronauts were making plants grow in space.

Plants were tested by astronauts in orbit.

Meaning: This means that astronauts were trying out plants to see how they would grow in space.

Choice of Words: Plants are living things that grow in the ground. Were tested means to try something out to see how it works. By astronauts means that the astronauts were the ones doing the testing. In orbit is the path that something takes when it moves around another object in space. When you put these words together, you get the sentence: Plants were tested by astronauts in orbit, which means that astronauts were trying out plants to see how they would grow in space.

Related Expressions