Match these items. 1. exhaustion or emptying of supply or reserve depletion 2. uncleanness; impurity pesticide 3. man-made object launched by rocket into space orbit 4. having to do with or pertaining to the sun solar 5. substance used to kill harmful insects or other organisms satellite 6. to travel in a path around the earth

1. Exhaustion or emptying of supply or reserve is depletion.

According to the dictionary, depletion is the loss of a principal substance in something or reduction of amount of something when it comes to quantity, quality, power, or value. If you’re exhausted you can say that your energy is depleted or if there’s no more water in a reservoir you can say that your water reserves are depleted

2. Uncleanness is impurity

This concept is often used in chemistry when you are trying to see how pure a compound is a chemical is. You wouldn’t say however that there is "uncleanness" in your compound but would use the word impurities since it is the more adequate term. Impurities can affect the chemical in various ways, from good to bad.

3. Man-made object launched by rocket into space is a satellite

Satellites are bodies that orbit the earth in one way or another. They can either be natural like the Moon which is a satellite, or they can be man-made and used for various reasons such as providing internet, television, spying on enemies, or similar things. Such satellites are launched into space with rockets and remain there for a long time

4. Having to do with or pertaining to the sun is solar

Solar is an adjective that comes from the root "sol" which means the sun. It is used for anything that is connected to the sun in the similar way that lunar is used for the moon since "luna" means moon. This is why you have things like solar flares or our system which is called the solar system and not the sunny system.

5. Substance used to kill harmful insects or other organisms is a pesticide

Pesticides are substances or chemicals that are used to rid farms or plots of land from harmful organisms such as insects or bacteria or viruses or similar. They can also be natural. For example, you can introduce an insect that feeds on the insects that are bothering you but that doesn’t do damage to your produce

6. To travel in a path around the earth is to orbit

When you go around the Earth, or anything for example, in a circular manner then you are orbiting that body. For example, the moon and other satellites orbit the Earth, but the Earth orbits the Sun. Colloquially it is also said that any body that is within the reach of gravity is found in the Earth’s orbit.