4 Travelling sound 3 Keywords: matchingphysics conceptsscience capabilitiessound Task: Match statements about materials that sound travels through, with corresponding science idea. Assessment focus: choosing evidence to support a science idea. Preview
345 What helps a racing car go fast? 7 Keywords: air pressureair resistancecarscentre of gravityforcesfrictionphysics conceptsself assessmentwork samples Task: describe how different features of a racing car help it go fast. Assessment focus: technological responses to forces. Preview