Science Exploress Materials- Sand

... 5 cement 22, 23 describing sand 6, 7 desert 4 egg-timer 9 growing plants in sand 18, 19 making shapes in sand 14, 15 pouring sand 8, 10, 11 rock 5 sandcastle 12, 13 sandpaper 20, 21 10 I’ve used ... even sand in glass. 13 I’m making a sandcastle too, but my sand is wet. My sandcastle stayed together. 4 In this desert, there is sand as far as you can see. 14 We’re making shapes...

Ngày tải lên: 27/12/2013, 14:58

... poured into a mould. As the metal cools down, it sets into the shape of the mould. Exploring the science of everyday materials Nicola Edwards and Jane Harris Photographs by Julian Cornish-Trestrai l 11 My

Ngày tải lên: 27/12/2013, 14:58

... the wool so that we can use it again. My gran can knit me a new pair of socks! 24 The aim of the Science Explorers series is to introduce children to ways of observing and classifying materials, ... ideas in a fair test. Notes for parents and teachers pp 2–3 Wool was  rst used for clothing thousands of years ago. In 4,000 BC people began to make cloth from wool by matting the wool togeth...

Ngày tải lên: 27/12/2013, 14:58

... recycling. The glass can be taken back to a factory to be melted down and used again. 24 The aim of the Science Explorers series is to introduce children to ways of observing and classifying materials, ... Notes for parents and teachers pp 2/3, 4/5, 12/13 Glass is cheap to make from a mixture of (mostly) sand, soda ash and limestone with scrap glass (called cullet) added and heated in a f...

Ngày tải lên: 27/12/2013, 14:58

... 8 My toy duck has been carved out of wood. The wood has been sanded to make it smooth. It feels warm. 9 A pattern has been carved into this wooden printing block. I ... garden. We‛ve chosen an apple tree. There will be apples on our tree next year. 24 The aim of the Science Explorers series is to introduce children to ways of observing and classifying materials, ... with wood 9 recycling...

Ngày tải lên: 27/12/2013, 14:58

... for recycling. 23 The paper can be used again to make new things like these. 24 The aim of the Science Explorers series is to introduce children to ways of observing and classifying materials, ... 19 strength 6 tearing paper 7 types of paper 2, 3, 17, 20, 21, 23 water 14, 15, 16, 17 Exploring the science of everyday materials Nicola Edwards and Jane Harris Photographs by Julian Corni...

Ngày tải lên: 27/12/2013, 14:58

... waterproof. The water sits on top of the plastic and doesn’t soak in. 24 The aim of the Science Explorers series is to introduce children to ways of observing and classifying materials, ... different materials will behave? 12 What will happen when I put sugar in water and stir it? Exploring the science of everyday materials Nicola Edwards and Jane Harris Photographs by Julian Corn...

Ngày tải lên: 27/12/2013, 14:58

Ngày tải lên: 29/01/2014, 14:39

Ngày tải lên: 23/02/2014, 11:20

... National Academy of Sciences. All rights reserved. Opportunities in Protection Materials Science and Technology for Future Army Applications 80 OPPORTUNITIES IN PROTECTION MATERIALS SCIENCE AND TECHNOLOGY ... Mechanisms in Cellular-Sandwich Materials Due to Blasts, 29 Conclusions, 32 Copyright © National Academy of Sciences. All rights reserved. Opportunities in Protection Materials Sc...

Ngày tải lên: 05/03/2014, 12:20