Science
Forces & Motion
Conceptual
7–8 yrs
Magnetic Materials
磁性材料
Description
Observe how magnets attract or repel each other and attract some materials and not others
Mastery Evidence
- Demonstrate that magnets attract some materials (iron, steel, nickel) but not others (wood, plastic, copper)
- Show that two magnets can either attract (pull together) or repel (push apart)
- Test at least six objects and correctly predict which are magnetic
Assessment Prompt
Can your child test a magnet on different objects around the house and predict which ones will stick?
Prerequisites 1
Contact & Non-Contact Forces
在探究磁力吸引与排斥之前,必须先了解非接触力
Unlocks 1
Magnetic Poles