NEWS QUIZ Name:

SCIENCE NEWS DIRECTIONS: Read the “Science News” section on pages 2–7. Then test your knowledge, filling in the letters next to the correct answers.

1. Higher-than-average temperatures melted some of

6. Scientists in Australia may have found a treatment to

the ___________ surrounding the Global Seed Vault. A ice B snow C permafrost D soil

help kids with what type of allergy? A probiotic B gluten C mold D peanut

2. Scientists now think a scorpion’s venom contains a

7. ___________ temperatures help preserve the seeds in

mild ___________. A base B acid C toxin D sting

A Warming B Freezing C Mild D Elevated

3. A group of scientists in Japan taught ___________ to

8. Why were the wildfires in California difficult to

play rock-paper-scissors. A chimpanzees B children C monkeys D adults

A no wind B cold temperatures C high winds D warm temperatures

4. NASA engineers are testing new ___________ that astronauts will wear for future missions. A microphones B spacesuits C hoses D boots

5. In the first 48 hours, how many acres of land were burned by wildfires in California? A 10,000 B 50,000 C 70,000 D more than 100,000

the Global Seed Vault.

contain?

9. The ___________ scale measures how acidic or basic a substance is.

A neutral B pH C bathroom D acidity

10. Space is a near-vacuum, which means it contains almost no ___________. A dust B air C water D dirt

reset answers Permission granted by Science World to reproduce for classroom use only. ©2017 by Scholastic Inc.

NOVEMBER 20, 2017

CHECK FOR UNDERSTANDING, page 1 NAME: _____________________________________________

NORTH KOREA: A NUCLEAR THREAT

PAGE 8

DIRECTIONS: Choose words or phrases from the box below to correctly fill in the blanks in the following sentences. Each word or phrase should be used only once. atoms decay isotopes

nuclear fallout nuclear fission nuclear fusion

nuclear weapon nucleus neutrons

radioactive sanction seismic

seismographs

1. A(n) ________________________ material is unstable and emits high-energy particles and waves. 2. The process in which a large atom is split into two smaller atoms and releases energy is called ________________________. 3. Uncharged particles in an atom are called ________________________. 4. ________________________ is the radioactive material that falls from the sky to Earth after a nuclear explosion. 5. A(n) ________________________ is a bomb or missile that uses nuclear energy to cause an explosion. 6. To ________________________ is to slowly break down. 7. Two or more forms of an element are called ________________________. 8. An atomic ________________________ is the center of an atom. 9. A(n) ________________________ event relates to vibrations of Earth caused by earthquakes, volcanoes, nuclear tests, etc. 10. The process in which two atoms fuse together and release energy is called ________________________.

SUPER SLIDE

PAGE 12

DIRECTIONS: Read each statement and decide whether it is true (T) or false (F). Write your response in the space provided.

______ 1. R  iders reach speeds of 8 miles per second on the ArcelorMittal Orbit tower slide. ______ 2. Twists and turns help slow a person’s descent on the slide. ______ 3. Moisture decreases friction on the slide. ______ 4. Air is blown up the slide every morning to slow riders’ descents. ______ 5. Riders going down the slide will accelerate more on a dry day. Permission granted by Science World to reproduce for classroom use only. ©2017 by Scholastic Inc.

NOVEMBER 20, 2017

CHECK FOR UNDERSTANDING, page 2 NAME: _____________________________________________

CLOUD SPOTTING

PAGE 14

DIRECTIONS: Match each item in the left column below with its definition in the right column.

______ 1. cloud

a. scientist who studies weather and the atmosphere

______ 2. meteorologist

b. system for classifying and naming things

______ 3. evaporate

c. broad group of clouds grouped together based on their altitude and appearance

______ 4. condense

d. genus of clouds that are characterized by a fluffy shape

______ 5. nomenclature

e. smaller group of clouds grouped together based on similar traits

______ 6. genus

f. cloud genus that is characterized by a wispy appearance

______ 7. species

g. cloud type that is caused by human activity

______ 8. cumulus

h. mass of water droplets and ice crystals in the atmosphere

______ 9. cirrus

i. turn from a liquid into a gas

______ 10. homogenitus

j. turn from a gas into a liquid

WHAT A WASTE!

PAGE 20

DIRECTIONS: Answer the following questions in complete sentences. 1. Give one piece of evidence from the article that supports the statement that people in the U.S. waste too much food. __________________________________________________________________________________________________________ __________________________________________________________________________________________________________ 2. Describe how three different types of resources are wasted when food is thrown away. ___________________________ __________________________________________________________________________________________________________ __________________________________________________________________________________________________________ 3. Explain two ways wasting food could contribute to rising levels of greenhouse gases in the atmosphere. ___________ __________________________________________________________________________________________________________ __________________________________________________________________________________________________________ __________________________________________________________________________________________________________ 4. Why might food be wasted before the crops leave the farm? __________________________________________________ __________________________________________________________________________________________________________ __________________________________________________________________________________________________________ 5. Use what you read in the article to give two pieces of advice a person could follow to waste less food. _____________ __________________________________________________________________________________________________________ __________________________________________________________________________________________________________ __________________________________________________________________________________________________________ Permission granted by Science World to reproduce for classroom use only. ©2017 by Scholastic Inc.

NOVEMBER 20, 2017

CROSSWORD PUZZLE Name: DIRECTIONS: Use the clues below to fill in the crossword puzzle. All answers can be found in this issue. 1

2

3

4

5

6

7

8

9

10

11

12

13

across

DOWN

1. scientists who study the atmosphere 3. energy that holds the nucleus of an atom together (2 words) 4. reaction in which the nucleus of an atom is split 8. clouds that look like rolling waves in the ocean 10. greenhouse gas produced by food waste rotting in landfills 11. largest component of people’s everyday trash 13. chemical element whose symbol is the letter U

2. to change from a liquid to a gas 5. preserved remains of a plant or animal 6. force between two surfaces that keeps objects in place or slows them down 7. North Korea’s leader (3 words) 9. structural material of the ArcelorMittal Orbit tower slide 12. making digital scans of fossils

Permission granted by Science World to reproduce for classroom use only. ©2017 by Scholastic Inc.

NOVEMBER 20, 2017