Transcript 4threview
Start Scientific Thinking Minerals Electricity Geology Ecosystems 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 100 D. Electric fan. Which of the following converts electrical energy into motion? A. B. C. D. Light switch Electric stove Light bulb Electric fan Click here for answer back 200 A. B. C. D. C. Electricity flows along more than one pathway. Which best describes a parallel circuit? What is a conductor? Electricity flows along one pathway. The flow of electricity comes from one source. Electricity flows along more than one pathway. The flow of electricity comes from more than one source Click here for answer back 300 B. Heat and light energy When electric current flows through the metal filament of a light bulb, electrical energy is converted to: A. B. C. D. Heat energy only Heat and light energy Light and motion energy Light energy only Click here for answer back 400 A. The balloon will be attracted to the rod. A balloon has a negative charge. The glass rod has a positive charge. What will happen when the glass rod is brought near the balloon? A. B. C. D. The balloon will be attracted to the rod. The balloon will be repelled by the rod. The balloon will remain in place. The balloon will spin in circles. Click here for answer back 100 B. Erosion by wind & water. Which process is most responsible for the formation of the Grand Canyon? A. B. C. D. scouring by glaciers erosion by wind & water eruptions by volcanoes cracking of Earth’s crust by earthquakes Click here for answer back 200 C. Organisms can be preserved in sedimentary rock. Why are most fossils found in sedimentary rocks? A. Sedimentary rocks are not very old. B. Organisms live only in areas with sedimentary rock. C. Organisms can be preserved in sedimentary rock. D. Sedimentary rocks are found only at the surface of the ground. Click here for answer back 300 B. Plant roots grow into cracks in rocks. How do plants most commonly break large rocks into smaller pieces? A. Plant leaves insulate surrounding rocks from extreme temperatures B. Plant roots grow into cracks in rocks. C. Seeds from plants fall onto rocks and release acidic compounds. D. Stems of plants surround and squeeze rocks. Click here for answer back D. Erosion. 400 This is a sea arch. What is responsible for shaping this arch? A. B. C. D. plate tectonics earthquakes deposition erosion Click here for answer back D. Horned lizard. 100 Which of the following is a living component of a desert in California? A. B. C. D. low rainfall hot temperature polar bear horned lizard Click here for answer back B. birds. 200 Which animals are most likely to carry the seeds found in berries from the parent plant to another area? A. B. C. D. bees birds flies caterpillars Click here for answer back 300 C. Black bear. This diagram shows a simple food web. Which animal is classified as an omnivore? A. B. C. D. red fox deer black bear rabbit Click here for answer back 400 D. Where it lives. Here are four different skin patterns for western garter snakes. What do the patterns tell us about the snake? A. B. C. D. Its age. What it eats. Its size. Where it lives. Click here for answer back 100 B. They have feathers. This picture shows several different birds. What characteristic do all birds share? A. They can fly. B. They have feathers. C. They have webbed feet. D. They eat worms. Click here for answer back A. 5mL. 200 A student added a small ball to a graduated cylinder containing 10 milliliters of water. What is the volume of the ball? A. B. C. D. 5mL. 10 mL. 15 mL. 20mL. Click here for answer back 300 D. Strong uphill winds have pushed against the tree. A group of students observed this tree while hiking. What is the most likely cause for the angle of the tree? A. The tree is reaching toward the afternoon sunlight. B. Water rolling down the hill uprooted the tree. C. Large rocks hit the tree when they rolled down the hill. D. Strong uphill winds have pushed against the tree. Click here for answer back B. 10 grams. 400 How much does 10ml of water weigh, in grams? A. B. C. D. 1 gram. 10 grams. 100 grams. 1 kilogram. Click here for answer back 100 Quartz Which is harder, quartz or feldspar? Click here for answer back 200 The color left by the mineral on the streak plate. What is ‘streak’? Click here for answer back 300 D. gold. A student is identifying a mineral that glass can scratch. If the mineral is metallic and yellow, which mineral can it be? A. pyrite B. calcite C. quartz D. gold Click here for answer back 400 A. Mica. You are trying to identify a mineral that has a nonmetallic luster and is black. It can also be scratched with a fingernail. The unidentified mineral is most likely A. mica. B. magnetite C. hornblende D. quartz Click here for answer back