Main Idea and Supporting Details Practice Exercises (page 2)

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Updated on Sep 29, 2011

Practice 2: Dietary Details 

Read the selection, andthen answer the questions that follow.

(1) Everyone needs food as fuel for his or her body. But kids especially need the right fuel to keep their bodies going as they're growing. To help everyone figure out which foods supply the energy needed, the U.S. Department of Agriculture (USDA) developed a new Food Guide Pyramid in 2005. Look at the visual.
(2) You probably remember the old pyramid, with horizontal layers of blocks like the ancient pyramids. Well, this new pyramid has six, tall, vertical stripes instead. Each stripe represents one source of nutrition. There are horizontal steps on the side of the pyramid, but they signify the need for exercise as well as good food—30 minutes of exercise a day—to create a healthy you!
(3) This new pyramid is called MyPyramid, because it's supposed to help meet the needs of each individual. Your food needs are based on your age, if you're a girl or boy, and how active you are. You can go to the USDA website at to check out how much and which kinds of food you need.

Main Idea and Supporting Details

(4) Each stripe on MyPyramid is a different color:

Orange: grains The average kid needs 6 ounces a day from this group, which includes breads, cereals, rice, and pasta.

Green: vegetables The average kid needs about cups a day from this group, which includes dark green veggies, like spinach and broccoli, and bright orange ones, like carrots.

Red: fruits The average kid needs about 2 cups of fresh, frozen, canned, or dried fruit a day.

Yellow: oils Kids need about 5 teaspoons of oil a day. Some have no cholesterol or are lower in fat than others. Check food labels for information.

Blue: milk The average kid needs about 3 cups a day of milk, yogurt, or cheese.

Purple: meat, fish, beans, and nuts The average kid needs about 5 ounces a day from this group.

(5) These provide a "healthy diet." That's one that has enough of each essential nutrient; a variety from all food groups; energy to maintain a healthy weight; and no excess fat, sugar, or salt. Eating healthy and exercising daily can help reduce the risk of getting diabetes, cancer, or bone problems as you get older.
6. Which is the most likely main idea of this selection?
a. People need to exercise at least once a week.
b. Beans are a good source of vitamins.
c. People need to eat a variety of good foods and exercise for a healthy life.
d. Fiber is an important part of a healthy lifestyle.
7. Which is NOT a supporting detail for the main idea?
a. Always use sunscreen as protection from the sun's harmful rays.
b. Pick a variety of things from the vegetable group.
c. Get at least a half-hour of exercise every day.
d. Don't just pick foods from one food group.
8. Why was it suggested that someone go to the USDA website?
a. to check the local weather
b. to write a letter to Congress
c. to exchange recipes for wholesome, healthy foods that taste good
d. to find out exactly which foods and how much that individual should eat
9. Which would best be another title for the article?
a. The Nutrition Needs of Prehistoric Humans
b. Food for Thought
c. The Eating Habits of Senior Citizens
d. Thoughts about Work Routines
10. Which is the main idea of the last paragraph?
a. It's nice to choose a variety of foods.
b. Many older people have heart problems.
c. Eating right and exercising now can reduce health risks in the future.
d. Getting enough sleep is important to good health.
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