What does causation mean in science?Importance of Causation:In science, many times scientists are trying to find causation between two variables, yet all they find is correlation. Causation can be difficult to pin down because humans are often involved in dynamic systems, where many variables are...
In a science experiment, what should you do first? A. Record the results. B. Prepare the materials. C. Analyze the data. D. Draw a conclusion. 相关知识点: 试题来源: 解析 B。解析:在科学实验中,首先应该准备材料,A 选项“记录结果”应在实验结束时进行,C 选项“分析数据”是实验后期的步骤,...
In a science experiment, if we want to test the effect of light on plant growth, what should we keep constant? A. The amount of water B. The type of plant C. The amount of light D. The temperature 相关知识点: 试题来源: 解析 A。本题考查变量控制,在测试光对植物生长的影响实验中,...
In a science experiment, if the results are different from our expectations, what should we do? A. Ignore them B. Repeat the experiment C. Change the data D. Stop the E. xperiment 相关知识点: 试题来源: 解析 B。本题考查对待实验结果与预期不同的正确做法。当结果与预期不同时,应该重复实验...
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In a science experiment, if the result is different from what we expected, what should we do? A. Ignore it B. Repeat the experiment C. Blame the equipment D. Give up 相关知识点: 试题来源: 解析 B。本题考查面对实验结果与预期不同时的正确做法。选项 A 忽略是不正确的;选项 B 重复实验以...
In a science experiment, if the results are not as expected, what should you do first? A. Try the experiment again. B. Check the equipment. C. Look at your notes. D. Ask your teacher for help. 相关知识点: 试题来源: 解析 B。本题考查在科学实验中解决问题的步骤。首先应该检查设备是否...
In the science experiment, we need to count the number of leaves. What should we do first? A. Write down the number. B. Look at the leaves carefully. C. Prepare a pen and a notebook. D. Choose the right tree. 相关知识点: ...
What does manipulated variable mean? What variables must be included in a testable hypothesis? What is test validity? What is bioenergetics testing? What is a randomized double-blind placebo controlled study? What is a positive control? What did the oil drop experiment prove?
In a science experiment, we need to find out the average. What's the correct way to say "average" in English? A. middle B. center C. mean D. medium 相关知识点: 试题来源: 解析 C。“average”在英语中有“平均”的意思,“mean”也表示“平均数”,“middle”和“center”主要表示“中间...