5th Grade Challenge #3

Which lists only objects that conduct heat well?

• aluminum can, rubber toy, wooden block

• plastic ruler, glass jar, stainless steel spoon

• stainless steel spoon, copper ring, aluminum can

• copper ring, aluminum can, rubber toy

In which way are an amoeba and ant similar?

• Both have ways of taking in nutrients.

• Neither can reproduce.

• Both are made of only one cell.

• Both are made up of more than one cell.

In which way are the Gulf stream and jet stream similar?

• Both affect local weather in the United States.

• Both are air currents that flow in a certain direction.

• Both bring dry weather to the United States.

• Both are ocean currents that flow in a certain direction.

In a forest ecosystem, acorns from an oak tree are an important food source for squirrels. Which best describes why one of these living things depends on the other for energy?

• The squirrel must take in sunlight to get energy to make its own food.

• The oak tree must take in sunlight to get energy to make its own food.

• The squirrel must eat part of the oak tree to get energy because the squirrel cannot make its own food.

• The oak tree must take in the squirrel's waste to get energy because the oak tree cannot make its own food.

A supermarket has 238 large boxes of cereal. Each large box holds 32 small bags of cereal. How many small bags of cereal are in the supermarket? (Note: Only use digits when entering your answer.)

After soccer practice 9 players shared 3 bottles of water. What fraction of a bottle did each player get?

A rope that is 6 meters long will be cut into 24 pieces that are all the same length. What will be the length of each piece, in centimeters? (Note: 100 centimeters = 1 meter)

Closer to home, you can find superfoods right in your garden or local store. Think “crisp and crunchy.” Cabbage, broccoli, cauliflower, and kale detoxify harmful substances. As a result, they may help to prevent some forms of cancer. These veggies also are low in calories and have lots of vitamins A, C, and K. What does the word detoxify mean in this paragraph?

• to move in a wide circle

• to chew food slowly

• to make a difficult decision

• to remove bad effects

The first potato chips were invented in 1853 in a New York hotel kitchen by Chef George Crum.

When he invented them, he hoped that they would taste bad. You see, he was irritated with a cranky guest who had complained that Crum’s potatoes were too soggy, thick, and bland. The guest had requested that Crum make him a new batch. Chef Crum wanted to “teach the guest a lesson” about insulting the chef, so he made a batch that was paper-thin, overcooked, and over-salted. To his surprise, the diner loved the second batch! Word spread quickly, and potato chips became a very popular snack. What is the main idea of this passage?

• Insulting others often leads to delicious new inventions.

• Potato chips are a delicious snack food, enjoyed by many people.

• Potato chips were invented in a hotel kitchen in New York City.

• Chef George Crum invented the potato chip when he was trying to insult a picky diner.

Cody knew he was in big trouble. He looked glumly at the math test on the desk in front of him. The door opened and Mr. Anders came into the office. "I've called your parents and they are on their way" he said. What can be inferred from the text?

• Cody is in the principal's office because he cheated on a test.

• Cody did well on his test and is getting an award from Mr. Anders.

• Cody needed more time to take his test, so he is finishing in the principal's office.

• Cody's test got ripped and he needs permission to get a new one.