Grade 5 NSTech Memo June 2021

1 TOM NEWBY SCHOOL GRADE 5 NS & TECH JUNE 2021 MEMORANDUM Question Answer Mark Level 1. 1.1 Aquatic Habitat✔ 1.2 Saltwater✔ 1.3 Any 2: octopus, jellyfish, crayfish✔✔ 10 1 1.4 fish✔ 1.5 They can grow and survive in saltwater✔ 2 1.6.1 Any 1: Vertebrates have backbones. ✔ They have endoskeletons. 1.6.1 Any 1: Invertebrates have no backbones. ✔ They have exoskeletons. 1.7 It protects the spinal cord with all the nerves vessels in it. It supports the upper body. ✔✔ 2. 2.1 True✔ 2.2 False✔ 8 1 2.3 False✔ 2.4 True✔ 2.5 False✔ 2.6 True ✔ 2.7 True ✔ 2.8 False ✔ 3. 3.1 Sunlight✔ 3.2 Oxygen ✔ 3.3 Glucose ✔ 6 2 3.4 Minerals ✔ 3.5 Water ✔ 3.6 Carbon Dioxide ✔ 4. Any Order: Move ✔ Reproduce✔ Grow✔

2 Breathe✔ 6 3 Excrete✔ Feed✔ 5. Hen and rooster mate ✔ 24 hours – egg is laid✔ 10 3 Embryo grows into a chick inside the egg✔ 3 weeks – egg hatches✔ Chick grows and becomes an adult ✔ 6 months – fully grown chicken ✔ Arrows ✔ Correct drawing of egg ✔ Correct drawing of chick ✔ Correct drawing of adult chicken ✔ 6. 6.1 magnetism✔ 6.2 Less magnets will be attracted to the magnet✔✔ 10 4 6.3 More magnets are attracted to the magnet✔✔ 6.4 At 1cm ✔ 6.5 At 7cm✔ 6.6 Opposite poles attract ✔ Like poles repel✔ 6.7 A bar graph ✔ 7 7.1 E ✔ 7.2 C ✔ 5 1 7.3 D ✔ 7.4 A ✔ 7.5 B ✔ 8. 8.1 Corrode: a metal breaking down. ✔ 8.2 Tarnish: a metal changing and becoming dull. ✔ 5 8.3 Brittle: easily breaks into pieces when it falls. ✔ 8.4 Ceramics: pottery and articles made by firing materials

3 extracted from the Earth. ✔ 3 8.5 Properties: qualities or characteristics of matter and materials✔ TOTAL: 60