1) Which of the following comes after formation of hypothesis in the scientific cycle? a) Evaluating results and drawing conclusion b) Gathering results c) Experimental design 2) What is a null hypothesis? a) Describes the effect of the independent variable on the dependent b) States there is no relationship between independent and dependent variable 3) Find the incorrect statement a) One-off results are treated with caution b) Negative results (no result) should not be published c) All results should be checked independently d) Experiments should be repeated with different chemicals on a different day

排行榜

视觉风格

选项

切换模板

恢复自动保存: