[8th Grade] Week 2 Quiz
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Last updated 11 months ago
4 questions
1
Which of these are chemical properties: 以下哪些是化学性质：
Which of these are chemical properties:
以下哪些是化学性质：
1
Is making fire a physical property or a chemical property? How do you know? 生火是物理性质还是化学性质？你怎么知道？
Is making fire a physical property or a chemical property? How do you know? 生火是物理性质还是化学性质？你怎么知道？
1
How many nanometers are in 70 millimeters? 7毫米等于多少纳米？
How many nanometers are in 70 millimeters? 7毫米等于多少纳米？
1
Steel can be separated into iron and carbon, true or false 钢可以分为铁和碳, 正确或错误
Steel can be separated into iron and carbon, true or false 钢可以分为铁和碳, 正确或错误