Complete the sentences with the appropriate
preposition.
1 A sundial's vertical rad
attached __ its round
platform.
2 Obeliske height allows people to tell the time__ distance.
3. Early illustrations show the first timekeeping devices___ use.
4. The stars in our solar system move in a predictablo pattorn,
passing the meridian__
fixed intervals.
5. An ancient water clock is__display at the local
museum.

1. A sundial's vertical rod is attached TO its round platform.
Explanation: The preposition "to" indicates the connection between the vertical rod and the round platform. It shows that the rod is fixed or connected to the platform.

2. Obelisk's height allows people to tell the time AT distance.
Explanation: The preposition "at" indicates the location or point of reference where people can tell the time. In this case, it means that people can determine the time when they are at a certain distance from the obelisk.

3. Early illustrations show the first timekeeping devices IN use.
Explanation: The preposition "in" is used to indicate the state or condition of something. In this case, it means that the first timekeeping devices were being used.

4. The stars in our solar system move in a predictable pattern, passing the meridian AT fixed intervals.
Explanation: The preposition "at" indicates the specific point in time when the stars pass the meridian. It shows that the stars move according to a fixed schedule or intervals.

5. An ancient water clock is ON display at the local museum.
Explanation: The preposition "on" indicates the location of the water clock. It means that the water clock is placed or exhibited in the local museum for people to see.