Question

when scientists microgravity, they are able to learn how astronauts bodies will be affected in space. a zero - gravity plane ride is one experience that microgravity. nasa astronauts can also take part in a of microgravity in a special swimming pool made for astronaut training. the that imitates microgravity is located in a special room at nasa headquarters. answer bank: simulation, simulator, simulate, simulates

Explanation:

1. The first blank needs a verb in base - form to follow "scientists". "simulate" is correct as it means to create a situation that is similar to a real - life one.
2. The second blank needs a verb in third - person singular form to agree with "A zero - gravity plane ride". "simulates" is appropriate.
3. The third blank needs a noun. "simulation" refers to the act of simulating, so it fits as astronauts take part in a simulation.
4. The fourth blank needs a noun. "simulator" is a device that simulates, and it makes sense that a simulator is located in a special room.

Answer:

1. simulate
2. simulates
3. simulation
4. simulator