1. www.thescienceteacher.co.ukwww.thescienceteacher.co.uk | resources for science teachers who like to think TopicAssessing prior knowledge LevelFor all age groups OutcomesStudents complete a spider diagram to show: 1.What they already know 2.What their partner already knows 3.What the class already knows

2. Step 1. Sketch and complete this spider diagram into your book using a blue pen to show what you know already about this topic. Exothermic reactions What I already know

3. Step 2. Now discuss your spider diagram with your partner. Can you add their ideas onto your spider diagram using a red pen. Exothermic reactions What my partner already knows

4. Exothermic reactions What my class already knows Step 3. Now discuss your spider diagram as a class. Can you add the class ideas onto your diagram using a green pen. The teacher may help by putting everyone’s ideas on the board.

5. Exothermic reactions What I, my partner and my class already know