Author's Purpose

The following is an advertisement for a restaurant.

What is the author's purpose of this advertisement?

"Take a bite out of our newest burger, the Heavyweight. All-American awesomeness heads south of the border. We start by stacking a juicy all-beef patty, crispy bacon, and onion rings with three layers of cheese. Next we kick it up a notch with our very own taco seasoning blend, wrap it in a tortilla, and deep-fry it. You've never had a burger sensation like this before!"

• to inform people about the burger

• to persuade people to try the burger

• to compare the burger to others

• to share the experience of eating it

Tags

CCSS.RI. 9-10.6

CCSS.RI.8.6

CCSS.RI.8.9

CCSS.RL.8.6

CCSS.RL.9-10.6

The following is an abstract (introduction) to a scientific paper.

What is the author's purpose of this abstract?

"Gravity and drag both reduce the maximum altitude that a rocket can reach, increasing the cost of rocket flights. This study hypothesizes that rockets with a smoother surface will experience less drag and reach higher altitudes, given the same thrust as rockets with rough surfaces. To test this hypothesis, three identical model rockets were constructed and given finishes with varying degrees of surface smoothness: roughed with 40-grit sandpaper, unfinished, and glossed. Each rocket was outfitted with B5-4 motors and flown ten times. Flight results support the initial hypothesis, with the roughened-surface rocket reaching the apogee point at the lowest altitude and the glossed-surface rocket reaching it at the highest. In conclusion, the findings suggest that smoother surface finishes can reduce the drag force enough to affect altitude, thereby potentially increasing rocket efficiency and reducing fuel costs."

• to share how cool high-gloss surfaces are

• to inform readers about an experiment

• to convince readers to fly model rockets

• to explain the effects of drag

Tags

CCSS.RI.7.5

CCSS.RI.8.3

CCSS.RI.8.5

CCSS.RI.9-10.3

CCSS.RI.9-10.5

The following is a public announcement to residents of the city Belleville.

What is the author's purpose of this announcement?

Read the water quality report and then answer the question.

"Belleville's drinking water comes from the Norton River. The watershed begins on the slopes of Mount Eagle and flows nearly eighty-five miles from the river's headwaters. Naturally occurring fluoride in the Norton River is less than 0.5 ppm (parts per million), which is the detection limit for analyzing fluoride. The water is made safe to drink through conventional treatment methods and consistent monitoring."

• to inform people that fluoride is safe to drink

• to explain the importance of protecting the river

• to encourage people to drink more water

• to explain the source of the water

Tags

CCSS.RI. 9-10.6

CCSS.RI.8.6

CCSS.RI.8.9

CCSS.RL.8.6

CCSS.RL.9-10.6