Lesson 7 of 14
Checkpoint: properties, rusting and choosing
Show on a big screenFive quick questions. Answer, read the reason, and retry as often as you like.
A metal sheet is hammered flat and does not break. Which word fits it?
Which of these lets the least heat travel along it?
Which statement about mercury is true?
What does iron need to rust?
A grey solid shines. Does that prove it is a metal?
0 of 5 answered
Finish the checkpoint to complete this lesson — you can always retry for a better score.