In each sentence below, underline the word or expression in parentheses that makes the sentence correct according to the rules of formal, standard English.

Example 1. Do you know the difference ($\underline{\text{between}}$, among) a tiger, a panther, and a cougar?

1. Was it you who (discovered, invented) the crystal cave on the ranch?

In each sentence below, underline the word or word group in parentheses that makes the sentence correct according to the rules of formal, standard English.

Example 1. Our (teacher he, $\underline{\text{teacher}}$) took us on a field trip last week.

1. You should never believe (these kind, these kinds) of stories.

In the following pairs, underline the nonsexist word or expression.

Example 1. postman $\underline{\text{mail carrier}}$

1. spokesperson spokesman

a. What two factors act together to keep Earth in orbit around the sun? b. Why doesn't Earth simply fall into the sun? c. How would Earth move if the sun (including its gravity) suddenly disappeared? Explain your answer.

Which coal field location is related to coal fields in the United States and supports the theory of continental drift?

Conduction is the transfer of heat between substances with different temperatures heat moves from the warmer to the cooler substance through direct contact. Which feature forms as a result of conduction between magma and water?

Use the periodic table and your knowledge of isotopes to complete these statements.

a) When polonium-210 emits an alpha particle, the child isotope has an atomic mass of ___.

b) I-131 undergoes beta-minus decay. The chemical symbol for the new element is ___.

c) Fluorine-18 undergoes beta-plus decay. The child isotope has an atomic mass of ___.

Use the periodic table and your knowledge of isotopes to complete these statements.

a) When polonium-210 emits an alpha particle, the child isotope has an atomic mass of ___.

b) I-131 undergoes beta-minus decay. The chemical symbol for the new element is ___.

c) Fluorine-18 undergoes beta-plus decay. The child isotope has an atomic mass of ___.

Which coal field location is related to coal fields in the United States and supports the theory of continental drift?

Conduction is the transfer of heat between substances with different temperatures heat moves from the warmer to the cooler substance through direct contact. Which feature forms as a result of conduction between magma and water?

Use the periodic table and your knowledge of isotopes to complete these statements.

a) When polonium-210 emits an alpha particle, the child isotope has an atomic mass of ___.

b) I-131 undergoes beta-minus decay. The chemical symbol for the new element is ___.

c) Fluorine-18 undergoes beta-plus decay. The child isotope has an atomic mass of ___.

Exercise: On the lines provided, rewrite each of the following sentences, correcting any errors in standard, formal English usage.

Example: Didn't you use to live on Filbert Avenue? $\underline{\textit{Didn't you used to live on Fibert Avenue}}$

I've looked everywhere, but that wallet ain't nowheres to be found. ______________________________________

Revise each of the following sentences to reflect formal, standard English usage by crossing out each nonstandard word and writing the correct word above it. If the sentence is already correct, write $C$ to the left of the number. On my last French test I made far less mistakes in conjugating verbs.

Some of the sentences below have a form of modifier that is incorrect according to the rules of formal, standard English. If the form of a modifier is incorrect, cross it out and write the correct form above it. If a sentence has no errors, write $C$ at the beginning of the sentence.

1. Theo threw the ball bad, but it still went into the hoop.