This might look like a crowbar ripping into an asbestos blanket, nut it isn't. You'd use this small device to hold things together, not tear things apart.
Whatizit? a staple in a piece of paper
Sci-Triv Game (Page 2)
Answers. Health. 1. True. Coconut water is the opaque, white liquid in an unripened coconut that is often consumed as a beverage. It is nearly identical to plasma, the liquid that makes up 55 percent of human blood. Coconut water has been used in emergency cases when regular blood plasma was unavailable for transfusions. 2. B, 3. Anthophobia is an irrational fear of flowers. Queen Elizabeth I (1533-1603) of England was anthophobic. 4. wax. Earwax is technically called cerumen. It is made by special glands (cemminous glands) that are a special type of sweat gland located in the skin of the ear canal. Earwax is a mixture of fats and waxes. 5. A charley horse is a colloquial name for a sudden, painful leg cramp. The cramp can occur in the thigh or the arch of the foot, but it most often occurs in the calf muscle. The term comes from American baseball slang of the 1880s, possibly from the pitcher Charley "Old Hoss" Radbourne, who is said to have suffered from leg cramps. Earth. 1. True. Loki is situated on Jupiter's moon lo. It releases more heat than all the volcanoes on Earth combined. 2. B, 3. The cryosphere is the frozen part of Earth's surface. It includes the polar ice caps, continental ice sheets, mountain glaciers, sea ice, snow cover, lake and river ice, and permafrost. 4. rain, 5. Hornblende is a common green-to-black mineral found in many metamorphic and igneous rocks. It is made up of iron, calcium, magnesium, and other elements. Math. 1. False. That's a description of geometry. Trigonometry is the branch of math that studies triangles. 2. A, 3. 24.7, 4. outward, 5. eight. In geometry, a vertex is the corner of a polygon or a polyhedron. Life. 1. False. Spiders are arachnids, not insects. 2. A. The penguins pictured are, of course, piscivores. 3. An anadromous fish is one that moves from salt water to freshwater rivers to breed. 4. carbon. Life on Earth is based on the element carbon. 5. Ringworm is a fungus that lives on human skin and forms red, ring-shaped patches. Physical. 1. True. Democritus (about 46-about 370 B.C.E.) was an ancient Greek philosopher who developed one of the first atomic theories of the universe, which held that the world consists of an infinite number of very small particles. 2. A. The green patina that forms on copper is called copper carbonate, or verdigris. It forms when copper reacts with air or seawater. 3. electrons, 4. alloys. Alnico contains aluminum, nickel, iron, and cobalt, copper, or titanium. Pewter contains tin, antimony, and copper. Brass contains copper and zinc. Nichrome contains nickel, iron, and chromium. 5. A newton is a cookie. It's also a trait used to measure force. One newton is equal to the force needed to increase or decrease the velocity of a 1-kilogram object by 1 meter per second.
Think Pieces (Page 3)
1 Pick up the coin on the bottom of the cross and put it on top of the coin in the middle of the cross. Now you have two rows with four coins in each row.
2. When you multiply 142,857 by the numbers 2 to 6, you will observe that the five products are composed not only of the same digits but also of the same digits in the same order, though each product begins with a different digit.
142,857 x 2 = 285,714 142,857 x 3 = 428,571 142,857 x 4 = 571,428 142,857 x 5 = 714,285 142,857 x 6 = 857,142
3. 16. Start at 1 and then move clockwise. Jump over two spaces and add 3 each time--4, 7, 10, 13, 16, and 19.
4. In order for the train to pass completely through the tunnel, it must travel 2 kilometers. After traveling 1 kilometer, the train would be completely in the tunnel, and after another kilometer, it would be completely out. Since the train is traveling 1 kilometer a minute, it will take two minutes to pass through the tunnel.
SKILLBUILDERS ANSWER KEY
Benji's World (Page 8) Fill in the Blanks
Fill in the word or words that best complete each Sentence. Then find your responses in the word-search grid.
1. The study of the mind as a complex, information-processing machine is called--science.
2. --is a brain disorder that impairs a person's ability to understand and interact with others.
3. The underconnectivity theory holds that a person with autism lacks adequate connections between areas of the--.
4. Autistic--are people with autism who are gifted at certain tasks.
5. Some people blame exposure to childhood--containing the preservative thimerosal for causing autism.
6. --are segments of DNA that hold the chemical instructions for cells.
7. --is a metallic element that is present in the vaccine preservative thimerosal.
8. --are tendrils that connect and carry information from one nerve cell to another.
9. Some people with autism have a trait called--, which makes them think about one topic over and over.
10. --is the branch of psychology that attributes personality and behavior to early childhood experiences and conflicts.
1. cognitive, 2. Autism, 3. brain, 4. savants, 5. vaccines, 6. Genes, 7. Mercury, 8. Nerve fibers, 9. perseveration, 10. Psychoanalysis
What the Devil? (Page 4)
True or False
Read each statement, and mark whether it is true (T) or false (F). Write your response in the space provided.
--1. Tasmanian devils are nocturnal.
--2. Tasmanian devils are herbivores (plant eaters).
--3. Tasmanian devils can live to be more than 30 years old.
--4. Some scientists suspect that toxins in the environment may be involved in the epidemic of devil facial tumor disease.
--5. Devil facial tumor disease is contagious.
--6. Marsupials are mammals that lay eggs.
--7. Tasmanian tigers are considered officially extinct.
--8. Devil facial tumor disease kills Tasmanian devils by preventing them from eating.
--9. The largest Tasmanian devils can weigh 100 pounds.
--10. Scientists use chemotherapy to cure devil facial tumor disease.
What the Devil?
2. F. Tasmanian devils are scavengers and eat meat.
3. F. Tasmanian devils live to be about 6 years old.
6. F. Marsupials are mammals that care for their young in a pouch.
9. F. Tasmanian devils weigh about 25 pounds.
10. F. No cure exists for devil facial tumor disease. It is always fatal.
Into Thin Air (Page 6)
1. How does an airship generate lift, the force that keeps it in the air?--
2. Why is 20 kilometers the optimal height for high-altitude airship "satellites"?--
3. Why are round airships more stable than cigar-shaped blimps?--
4. Which factor determines how high a spherical airship can fly?--
5. How does a blimp differ from a zeppelin?--
Into Thin Air
1. An airship generates lift by using gas that is lighter than air.
2. Twenty kilometers is optimal for high-altitude blimps because that height is above air traffic and bad weather.
3. Round airships are more stable than cigar-shaped airships because the gas stays in the center of the ship and does not slosh around when the ship rises.
4. Size determines how high a spherical airship can fly. The bigger the airship, the higher it can fly.
5. A blimp is a nonrigid airship with a form that is maintained by the pressure of the gas it contains. A zeppelin has a rigid frame.
Discoveries (Page 12)
Fill in the Blanks
Find the word or words that best complete each sentence. Write the words in the blanks.
1. A--is a rotary device that generates electricity.
2. --is a measure of the moisture content of things such as air and soil.
3. Scientists have found--at the poles on Mars.
4. Molten rock underground is called--.
5. People who are treated intravenously receive treatment through their
6. Cholera is caused by a bacterium called--.
7. Space scientists say that Mars has channels and deep gullies carved by--.
8. A--is an organism that lives on or in another species and benefits at the expense of that species.
9. A cinder cone is a small, cone-shaped--.
10. The symptoms of cholera include--, and--.
1. turbine, 2. Humidity, 3. water ice, 4. magma, 5. veins, 6. Vibrio cholerae, 7. water, 8. parasite, 9. volcano, 10. dehydration, vomiting, abdominal cramps, diarrhea (any three)
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