Practice Test 11 - 4th Grade Science
20 questions. Answer them in any order, then submit to see your score and every explanation.
- For a deer, which structure helps it digest food for growth?
- Which structure-function pair is correct for a bird during flight behavior?
- Jamal's class chart says: coal is mined, burned in power plants, and makes electricity for lights. Based on this information, which statement correctly describes how coal provides energy?
- During sunny daytime, Diego looks at the same bicycle outside; will it be visible, and why?
- On this map, which feature is north of the Blue Ocean?
- A hummingbird uses a long beak and a butterfly uses a proboscis. How are they similar in function?
- At Glacier Ridge, the lowest layer has scratched rocks and mixed gravel called till, plus fossils of cold-loving animals. Above it are river sands with fossils of animals that like warmer weather. The layers show older below younger. Based on these observations, how did this landscape change over time?
- A drought is lowering water supplies in Fatima's town. Solution A: water conservation rules (quick, low cost, less water used). Solution B: build a reservoir (stores lots of water, expensive, takes years). Solution C: drill wells (can add water, moderate cost, may run dry). Based on time to help soon, which solution is best?
- In this formation, what pattern shows different fossils lived at different times?
- In Maya's state, tornadoes form quickly and can tear off roofs, break windows, and toss cars. People may have only minutes to get to safety, and power lines can fall. For this tornado problem, which solution would help reduce injuries and damage?
- A forest town worries about wildfires during hot, dry summers. Solution A creates firebreaks (cleared strips with little vegetation) to slow fires, which can work well but needs regular clearing. Solution B uses fire-resistant building materials, which helps homes survive but can be expensive to remodel. Solution C installs early detection systems, like cameras and sensors, which can spot smoke quickly and send alerts, but it does not stop a fire by itself. Comparing these solutions using the criterion of maintenance needed each year, which solution likely needs the most maintenance?
- These patterns show codes; which pattern represents computer data using only 0s and 1s?
- To create this device, Marcus must build a classroom alarm that beeps using a battery; which design converts electrical energy to sound energy?
- Comparing coal and solar electricity, which statement best compares wildlife and habitat impacts?
- How can erosion along a riverbank affect people's property and community infrastructure?
- Amir compares the same field after 1 year and after 100 years: in 1 year, a small 2 cm channel forms; in 100 years, the channel is 50 cm deep. Why does erosion rate matter for landscape changes?
- How does using wind turbines for electricity affect the environment and wildlife?
- The same cold weather arrives; a bird flies south, a bear hibernates, and a rabbit grows thicker fur. Why?
- Looking at these rock layers, what pattern shows water energy changed over time?
- Which would strengthen the argument that bright flower colors help reproduction by attracting bees?