1) What did we learn in unit 4.1,4.2? a) force and magnetism b) balanced diet and digestives systems c) life cycles of a flowering plant d) adaptation e) States and properties of matter f) Sound 2) Which of these statements are true? a) In gas,the particles are very close together b) In solid,the particles are not packed together in a fixed shape. c) In gas, the particles can move very slow d) In liquid,the particles are very close together. e) In solid,the particles are very far apart. f) None of them 3) When a solid changes into liquid. a) evaporation b) melt c) condensation d) boil e) freeze f) precipitation 4) What does pitch mean? a) How low or high the sound is b) How loud or quite the sound is c) Volume d) Water cycles e) amplifier f) microphone 5) What does volume mean? a) Sound level meter b) Petal c) Volume d) pitch e) how loud or quiet the sound is f) None of them 6) What did we learn in unit 5? a) Adaptation b) States and properties of matter c) Water cycle d) Life cycles of a flowering plant e) Force and magnetism f) Sound 7) If the Southern hemisphere is closer to the Sun,which hemisphere has winter? a) Southern hemisphere b) Northern hemisphere c) Axis d) Equator e) West f) East

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