Label the parts of speech in the sentence; emily is always careful with tania's stuff.

Emily: noun (a noun could be the name of a person, thing, place, etc. In this case is the name of a person).

is: verb (it express action)

always: adverb (an adverb is a modifier of a verb, an adjective or another adverb. In this case, it is modifying the word "careful").

careful: adjective (an adjective modifies or describes a noun or a pronoun. In this case it is describing Emily, which is a noun.)

with: preposition (a preposition is placed before a noun or a pronoun to modify the phrase. In this case it is placed before the noun "Tania").

Tania: noun (The name of a person).

's: Possessive adjective (modifies the noun "Tania").  

stuff: noun (the name of a thing).

the sun warms our planet, and with the moon, creates the tides. the moon orbits the earth and in turn, the earth orbits the sun. because they appear to be the same size in the sky, the sun, earth and moon work together to create eclipses. when the moon is directly in between the earth and sun

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