Civilization & Earth
Q: According to Unit 9, what fraction of Earth’s land is currently covered by huge masses of ice known as glaciers?
A: About one-tenth
Q: Find ONE grammatical error in this sentence based on Unit 8
"Many castles in Europe was built during the Middle Ages as homes for royalty."
A: was ➔ were
According to Unit 1, why are koalas currently losing much of their forests and facing the threat of extinction?
Koalas are losing much of their forests due to bushfires
Q: According to Unit 12, all of the planets in our solar system were named after Greek and Roman gods, with only ONE exception. Which planet is the exception?
A: Earth
Q: Fill in the blank with the exact term from Unit 5: "Scientists are currently working on a new type of alternative meat grown inside laboratories using tiny cells taken from animals. This is called ________ meat."
A: lab-grown
Q: According to Unit 8, what do we call the moveable bridge built across a moat that people raised during an enemy attack?
A: A drawbridge (or Drawbridge)
Q: True or False
According to Unit 6, bubble gum was invented on purpose in 1928 by a businessman who owned a major gum factory.
A: False
Q: Look at Unit 1. Koalas have specialized adaptations for their specific environment. Write a complete sentence explaining TWO specific body parts of koalas mentioned in the text and how each part helps them live on eucalyptus trees.
A: Koalas have sharp claws suitable for climbing trees, and their long digestive organ helps them break down the tough leaves.
Q: Find ONE grammatical error in this sentence based on Unit 3 and rewrite it correctly: "Sea turtles often chase floated plastic bags because they look like jellyfish."
A: floated ➔ floating
Q: Which of the following is NOT true according to the text?
① Plant-based meat is made from plants but feels and tastes like meat.
② Lab-grown meat is already very cheap and widely available in grocery stores.
③ Polar bears have specialized adaptations like thick fur and powerful paws.
④ Changing conditions in the environment can be great threats to specialized animals.
A: ②
Q: Fill in the blank with the correct term from Unit 7: "The starting point of time zones is called the Prime Meridian or the Greenwich Meridian. It goes directly through Greenwich, ________."
a) Scotland b) America c) England d) Germany
A: c) England
Q: Which of the following is NOT true according to Unit 11?
① The chief god who ruled Asgard was named Odin.
② Valkyries carried the souls of all dead Vikings to the underworld.
③ Thor was the god of thunder and possessed an enormous hammer.
④ The word “hell” comes from the name of the underworld ruler, Hel.
A: ②
Q: Find ONE grammatical error in this sentence based on Unit 4 and rewrite it correctly: "Coral reefs are homes for thousands of species of plants and animals that lives in the sea."
A: lives ➔ live
Q: According to Unit 2, what are the three specific raw materials that chloroplasts use to make sugar and oxygen during the process of photosynthesis?
A: Carbon dioxide, water, and the sun’s energy
Q: True or False — According to Unit 1, animals like humans can only live in one specific environment because they have specialized adaptations.
A: False
Q: Based on Unit 7, when it is 1:00 p.m. in London, it is 8:00 a.m. in New York. If a plane departs London at 1:00 p.m. and flies for 7.5 hours, calculate the exact time difference: How many hours is New York behind London?
① 3 hours behind ② 5 hours behind ③ 7.5 hours behind ④ 8 hours behind
A: ② 5 hours behind
Q: According to Unit 11, explain exactly WHO takes care of the Viking warriors' souls when they are killed in battle, WHERE those souls are carried to, and HOW LONG the honored warriors live there.
A: The Valkyries carry their souls to Valhalla, and the honored warriors live there forever.
Q: Fill in the blank with the exact vocabulary term from Unit 4: "When the ocean becomes too warm, coral reefs lose their beautiful colors. This process is called ________."
A: bleaching
Q: According to Unit 10, explain exactly WHAT happens to warm water vapor as it rises higher through Earth's atmosphere, and WHAT is eventually created by this specific scientific process.
A: As it rises higher, the water vapor cools and condenses (changes) into drops of water, and these drops of water create clouds.
Q: According to Unit 2, what is the green chemical located in chloroplasts that absorbs sunlight and makes leaves appear green?
A: Chlorophyll
Q: Based on Unit 7, explain WHY the world cannot use only one single time zone for the entire planet. Write the reason in a complete sentence, including what would happen to "noon" in different places as a result.
A: Because Earth rotates once every 24 hours, so if we only had one time zone, noon would be morning in some places, but it would be midnight in others.
Q: Based on Unit 6, explain why ancient Greek women chewed resin from the mastic tree, and contrast this with the reason why Native Americans chewed spruce tree resin.
A: Ancient Greek women chewed resin to freshen their breath, but the text does not state a specific reason for Native Americans.
Q: According to Unit 3, what happens to sea turtles after they accidentally swallow floating plastic bags? Write the exact result based on the text.
A: The bags get stuck in their stomachs and eventually result in the turtles' deaths.
Q: Fill in the blank with the correct word from Unit 12:
"Mercury moves very fast around the solar system. Therefore, the ancient Romans named it after the Roman ________ god."
a) warrior b) messenger c) trickster d) agriculture
A: b) messenger
According to Unit 10, what is the exact scientific term for the process when clouds become full of water droplets and the water falls to the ground as rain or snow?
A: Precipitation