Natural Sciences and Technology Grade 5-B ... - Thunderbolt Kids

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ACTIVITY: Make a model of acid water breaking up rocks In real soil this change takes many years. We can make it happen in the classroom in aweek. Look at the picture below. MATERIALS: • a cement brick (not the shiny dark red or orange bricks) • a large plastic container (like the bottom half of aplastic cool drink bottle) • a bottle of white vinegar. Vinegar acid is working on the surface of the cement brick. Parts of the brick are falling o. INSTRUCTIONS: 1. Put the cement brick into the container. 2. Pour enough of the vinegar into the plastic container to cover half of the brick. 100 Earth and Beyond
3. Put the container in aplace where everyone can see it every day for two weeks. 4. Cover the container and make sure the mixture does not evaporate and leave the brick dry. QUESTIONS: 1. Draw the brick as it looks on Day 1. 2. Draw the brick as it looks on Day 14. 3. What changes have happened in the brick? 4. Has the part of the brick that is above the vinegar changed in the same way as the part that is under the vinegar? The vinegar moves up the brick and reacts with substances in the brick. You may find white whiskers of a new substance that has formed from the reaction between the brick and the vinegar. 5. Have any parts of the brick fallen o to the bottom of the container? 6. Write out the whole sentence in your book and complete it with words from the word-box: This equipment is a model of rock, not the real rock. The brick ______ a real rock and the vinegar ______ water around the roots of plants. Word box: Use some of these words • represents • represents the real • is not Represents ....represents the real Making soil Rocks break down and slowly change into sand. This change needs thousands of years to take place because soil, wind and water do it very slowly. But sand is not soil. More changes must happen to sand before it is soil. Chapter 2. Surface of the Earth 101
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Natural Sciences and Technology Gra
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AUTHORS LIST This book was written
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THE NATURAL SCIENCES AND TECHNOLOGY
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Matter and Materials and Structures
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1 Stored energy in fuels 4 KEY QUES
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VISIT How fossil fuels are made. go
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So we can say that food is the fuel
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MATERIALS: • various packaging fo
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Coal is not only burnt in our homes
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2. Remove both ends of the large ca
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QUESTIONS: 1. Which fuel contained
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INVESTIGATION: What happens when af
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VISIT Burning substances in air and
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3. Write a description next to each
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3. What causes of fire can you iden
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3. Some points to think about when
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1. Describe the relationship betwee
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2 Energy and electricity 30 KEY QUE
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When the electrical energy is trans
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A car needs energy to start its eng
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Huge pylons carrying the transmissi
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ACTIVITY: 10 Safety tips for electr
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KEY CONCEPTS Never stick a metal kn
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3 Energy and movement 42 KEY QUESTI
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2. Tie another elastic band around
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QUESTIONS Look up adefinition for p
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5. Place it in the water, and let i
Page 58 and 59: QUESTIONS Use your knowledge of spr
Page 60 and 61: 4 Systems for moving things 52 KEY
Page 62 and 63: Teacher's Note You can demonstrate
Page 64 and 65: QUESTIONS Label the two wheels and
Page 66 and 67: 4. Place a few marbles or some othe
Page 68 and 69: 6. Repeat this for the other 2wheel
Page 70 and 71: The board makes bearings for the ax
Page 72 and 73: INSTRUCTIONS: Things you can use fo
Page 74 and 75: REVISION: 1. List four dierent vehi
Page 78 and 79: 1 Planet Earth 70 KEY QUESTIONS •
Page 80 and 81: • The Earth spins right around in
Page 82 and 83: 3. Was it daytime in Saudi Arabia?
Page 84 and 85: VISIT Short video showing the sun,
Page 86 and 87: The planets move in orbits around t
Page 88 and 89: MATERIALS: • 100m heavy string
Page 90 and 91: Teacher's Note Make sure to point o
Page 92 and 93: 2 Surface of the Earth 84 KEY QUEST
Page 94 and 95: QUESTIONS: 1. What is under the flo
Page 96 and 97: Imagine we could cut aslice out of
Page 98 and 99: QUESTIONS 1. If you dig ahole in th
Page 100 and 101: Teacher's Note Iron melts at those
Page 102 and 103: The hole will come to of the other
Page 104 and 105: Look at the place where the water h
Page 106 and 107: VISIT Rocks erode to form soil (vid
Page 110 and 111: ACTIVITY: Look at dierent kinds of
Page 112 and 113: MATERIALS: • 3 big cool drink bot
Page 114 and 115: In the beginning, you might think t
Page 116 and 117: The topsoil has gone from this land
Page 118 and 119: INSTRUCTIONS: 1. Collect two tins o
Page 120 and 121: QUESTIONS 1. Can you make pots with
Page 122 and 123: VISIT Interesting website about soi
Page 124 and 125: QUESTIONS: 1. Are the drops on the
Page 126 and 127: Set up the soils as you see in the
Page 128 and 129: Which soil type do plants grow best
Page 130 and 131: Average height grown by seedlings i
Page 132 and 133: Answer: Crust, mantle, core. 2. Wha
Page 134 and 135: 3 Sedimentary rocks VISIT Dierent r
Page 136 and 137: Sediments When the sand grains coll
Page 138 and 139: 2. Which is the oldest sediment? Th
Page 140 and 141: Look at the layers in the sedimenta
Page 142 and 143: This is how the mountains look now.
Page 144 and 145: A sculpture made from limestone. 10
Page 146 and 147: Cement is also made from shale. The
Page 148 and 149: 4 Fossils 140 KEY QUESTIONS • Wha
Page 150 and 151: VISIT When a T-Rex attacks! (video)
Page 152 and 153: VISIT How are fossils formed? goo.g
Page 154 and 155: Teacher's Note Of course, it's much
Page 156 and 157: Teacher's Note Note that the mould
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There was a flood and the river ros
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A footprint which has hardened in t
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Do you know where this is in South
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VISIT Finding the coelacanth (video
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I just love learning more and more
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ACTIVITY: Thinking about the Cradle
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REVISION: 1. Are animal fossils mad
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5 Notes 164 Chapter 1 Stored energy
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Natural Sciences and Technology Grade 5-B ... - Thunderbolt Kids

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