Question: Answer the following question given this paragraph: Mollusks have a hard outer shell. There is a layer of tissue called the mantle between the shell and the body. Q: What is the layer of tissue between the body and shell called? Choices: - collagen - cuticle - epidermis - mantle A:
Answer: mantle

Question: Answer the following question given this paragraph: Near-Earth asteroids have orbits that cross Earth's orbit. This means that they can collide with Earth. There are over 4,500 known near-Earth asteroids. Small asteroids do sometimes collide with Earth. An asteroid about 510 m in diameter hits about once per year. Five hundred to a thousand of the known near-Earth asteroids are much bigger. They are over 1 kilometer in diameter. When large asteroids hit Earth in the past, many organisms died. At times, many species became extinct. Astronomers keep looking for near-Earth asteroids. They hope to predict a possible collision early so they can to try to stop it. Q: In the past, what colliding with planet earth has caused many organisms to die off? Choices: - acid rain - meteorites - the Sun - asteroids A:
Answer: asteroids

Question: Answer the following question given this paragraph: Measuring devices must be used correctly to get accurate measurements. Figure below shows the correct way to use a graduated cylinder to measure the volume of a liquid. Q: In a science lab, what device would you use to measure the volume of a liquid? Choices: - anemometer - Richter scale - yardstick - graduated cylinder A:
Answer:
graduated cylinder