Czajnik stoi na kuchence, a miska leży na stole.

Polish often uses different verbs depending on an object's physical position.

• stoi = is standing
• leży = is lying

So czajnik stoi means the kettle is standing upright, and miska leży means the bowl is lying. English often just says is, but Polish prefers to be more specific about position.

Also, these are both 3rd person singular present tense forms:

• stać → stoi
• leżeć → leży

You can use jest in some contexts, but it is less natural here.

• jest simply means is
• stoi / leży describe how something is positioned

So Polish usually prefers:

• Czajnik stoi na kuchence rather than Czajnik jest na kuchence
• Miska leży na stole rather than Miska jest na stole

Using jest is more general, while stoi and leży sound more natural and precise.

Yes, it could be, depending on the situation.

A bowl that is resting normally on its base is often described as stoi. If it is on its side, upside down, or being thought of as simply lying there, leży makes sense.

So Polish is more sensitive than English to the object's orientation:

• miska stoi = the bowl is standing upright
• miska leży = the bowl is lying

Here a links two clauses and means something like and, while, or whereas, depending on context.

In this sentence, it is a natural way to connect two separate facts:

• Czajnik stoi na kuchence, a miska leży na stole.

It is not exactly the same as i:

• i = plain and
• a = and with a slight contrast or comparison

So a works well because the sentence compares two different objects in two different places.

Because after na when it means on in a static location, Polish uses the locative case.

So:

• na kuchence = on the stove
• na stole = on the table

The idea is:

• location → na
  • locative
• movement onto something → na
  • accusative

Compare:

• Czajnik stoi na kuchence. = The kettle is on the stove.
• Kładę czajnik na kuchenkę. = I am putting the kettle onto the stove.

Because kuchenka is a feminine noun, and in the locative singular its ending changes.

The basic form is:

• kuchenka

After na for location, it becomes:

• na kuchence

This is a common pattern with feminine nouns ending in -ka:

• szafka → w szafce
• półka → na półce
• kuchenka → na kuchence

So the -ka ending changes to -ce.

Because stół is a masculine noun, and in the locative singular it changes to stole.

So:

• stół = table
• na stole = on the table

This change is not fully predictable from English, so it is best learned together with the noun:

• stół → na stole

You will see similar case changes in many masculine nouns, though each noun may have its own pattern.

They are in the nominative case because they are the subjects of the sentence.

• czajnik = the kettle
• miska = the bowl

They are the things doing the standing and lying, so they stay in the base subject form.

Meanwhile, the nouns after na change case:

• kuchenka → kuchence
• stół → stole

Because Polish does not have articles like English a and the.

So czajnik can mean:

• a kettle
• the kettle

And miska can mean:

• a bowl
• the bowl

The exact meaning depends on context. Polish speakers understand definiteness from the situation, word order, and shared knowledge, not from articles.

No, Polish word order is more flexible than English word order.

The sentence as given is neutral and natural:

• Czajnik stoi na kuchence, a miska leży na stole.

But you could also say:

• Na kuchence stoi czajnik, a na stole leży miska.

That version puts more focus on the locations. So the original sentence is the most straightforward order, but other orders are possible for emphasis.

It takes the accusative when there is movement toward a surface or destination, not just location.

So:

• na kuchence = on the stove, already there → locative
• na kuchenkę = onto the stove, moving there → accusative

And:

• na stole = on the table → locative
• na stół = onto the table → accusative

A useful rule is:

• Where? → locative
• To where? → accusative