Verdens naturfag, Fysik/Kemi 1, i-bog (ved brug med elevb&oslash;ger) 
ISBN: 87-625-1204-7 
&copy; 2018 Gyldendal A/S, K&oslash;benhavn
Verdens naturfag, Fysik/Kemi 1, i-bog (ved brug uden elevb&oslash;ger) 
ISBN: 87-625-1529-1 
&copy; 2018 Gyldendal A/S, K&oslash;benhavn
Af Rasmus H&oslash;jby, Lars Henrik J&oslash;rgensen, Martin Krabbe Sillasen og Nina Troelsgaard Jensen
Digitale resurser: Kim Christiansen 
Animationer: Bodil Heinemeier s. 31, 56, 73, 109, 110, 113, 114, 163 
Simuleringer: PhET, Colorado s. 38, 55, 94
Forlagsredaktion: S&oslash;ren Lundberg 
Ekstern redaktion: Nina Troelsgaard Jensen 
Grafisk tilrettel&aelig;ggelse: S&oslash;streneSandhed &ndash; Janne Rose/Susan Tang 
Tegninger: Lars Bo Petersen 
Prepress: Narayana Press, Gylling 
Tryk: Livonia Print
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Kolofon

Fotos - Fysik/kemi, Grundbog 1
omslag SolStock/iStock 
7 Goddard Space Flight Center/ Scientific Visualization Studio/NASA 
8 Colourbox 
9 Christian Jeppesen 
10 &oslash;. Kim Agersten/RITZAU/Polfoto 
10 n. Dmitry_Orlov/Colourbox 
13 Martin Stendel/DMI 
14 Geodatastyrelsen/Vejdirektoratet 
15 Tweet/Donald Trump 
16 &oslash;. tv. NASA 
16 n. th. Rob Byron/Colourbox 
16 n. th. nixki/iStock 
18 GHS/UNECE 
21 Photo Researchers, Inc./Scanpix 
22 DmitriMaruta/iStock 
24 &oslash;. Daniel Kay/iStock 
24m. Gyldendals billedbibliotek 
24n. KoKimk/iStock 
25 Lev Dolgachov/Syda Productions/Colourbox 
28 &oslash;. tv. Grazvydas Jurgelevicius/Gyvafoto/Colourbox 
28 &oslash;. mf. Roxana/Colourbox 
28 &oslash;. th. Colourbox 
28 n. tv. Colourbox 
28 n. th. Grazvydas Jurgelevicius/Gyvafoto/Colourbox 
29 Photo Researchers, Inc./Scanpix 
30 Gyldendals billedbibliotek 
31 S&oslash;ren Lundberg 
32 S&oslash;ren Lundberg 
33 SPL/Scanpix 
34 &oslash;. tv. Frederiksen Scientific A/S 
34 mf. S&oslash;ren Lundberg 
34 n. vvvita/iStock 
35 S&oslash;ren Lundberg 
36 Martyn F. Chillmaid/SPL/Scanpix 
37 &oslash;. S&oslash;ren Lundberg 
37m. S&oslash;ren Lundberg 
37n. Markus Gann/Colourbox. 
38. S&oslash;ren Lundberg 
43 IBM research/SPL/Scanpix 
46 Gyldendals billedbibliotek 
50 Gyldendals billedbibliotek 
51 Giovanni/Colourbox 
52 S&oslash;ren Lundberg 
56 S&oslash;ren Lundberg 
57 S&oslash;ren Lundberg 
58 S&oslash;ren Lundberg 
63 Alexey Tulenkov/Pressmaster/Colourbox 
65 SolStock/iStock 
66 DimaSobko/Colourbox 
67 Hepatus/iStock 
68 S&oslash;ren Lundberg 
69 S&oslash;ren Lundberg 
70 FatCamera/iStock 
73 n. Martin Bassett 
75 Colourbox 
76 tv. Steve Gschmeissner/SPL/Scanpix 
76 th. South agency/iStock 
77 &oslash;. Center for d&oslash;vblindhed og h&oslash;retab 
77 m. craftvision/iStock 
77 n. tv. Fasano Nicola/Polfoto 
77 n. th. Annette Trier/Kilstrup/LYDAC akustik 
78 AxPitel/iStock 
83 ESA 
84 &oslash;. tv. ThinkFoto.dk/Colourbox 
84 &oslash;. mf. Arve Bettum/Colourbox 
84 &oslash;. th. Colourbox 
84 n. Vitas/Colourbox 
86 &oslash;. Henrik S&oslash;rensen/Colourbox 
86 n. Niels Kjeldsen 
88 Colourbox 
91 Ole Bunzen/Polfoto 
92 Bridgemann Art Libray/Scanpix 
93 NASA/JPL 
94 Sommer/Colourbox 
95 Sjoerd van der Wal/iStock 
96 Colourbox 
97 Henrik S&oslash;rensen/Colourbox 
103 katatonia82/iStock 
104 NASA/JPL/Caltech 
107 M&oslash;llers grafisk tegnestue/Gyldendal. 
108 NASA/SDO 
109 Knud Erik Christensen/Colourbox 
110 n. Bridgeman Art Library/Scanpix 
111 Morten Langkilde/RITZAU/Polfoto 
114 &oslash;. Macrovector/Colourbox 
115 tv. MarioGuti/iStock 
115 th. ESA/Hubble/NASA 
116 tv. Alatom/iStock 
116 th. Gyldendals billedbibliotek 
117 NASA/ESA 
118 &oslash;. Robert Williams and the Hubble Deep Field Team (STScI)/NASA/ESA 
118 mf. Mary Evans Picture Library/Scanpix 
118 n. NASA 
119 tv. NASA 
119 th. NASA 
120 NASA 
125 Sergej Razvodovskij/Colourbox 
126 tv. Maksym Gorpenyuk/Colourbox 126 th. S&oslash;ren Lundberg 
127 &oslash;. tv. LKF Vandel 
127 n. tv. Ren&eacute; Deleuran M&oslash;lgaard Andersen/Colourbox 
127 &oslash;. th. Colourbox 
127 n. th. Welcomia/Colourbox 
128 Oran Tantapakul/Piyato/Colourbox 129 Colourbox 
130 tv. Phovoir/Colourbox 
130 th. hjschneider/Colourbox 
131 Colourbox 
132 Multiart/iStock 
133 &oslash;. Vibrant Studio/Colourbox 
133 n. Lev Dolgachov /Syda Productions/Colourbox 
133 th. Dario Sabljak/Suljo/Colourbox 
134 Chris Fertnig/iStock 
135 F&oslash;devarestyrelsen 
136 Lars Henrik J&oslash;rgensen 
137 Leah-Anne Thompson/Lovleah/Colourbox 
138 S&oslash;ren Lundberg 
139 Eduardo/Fotoedu/Colourbox 
140 &oslash;. S&oslash;ren Lundberg 
140 n. Colourbox 
141 &oslash;. S&oslash;ren Lundberg. 
141 mf. Colourbox . 
141 n. Colourbox . 
142 &oslash;. Morten Rasmussen/Scanpix . 
142 n. Colourbox . 
143 Tormod Rossavik/Colourbox . 
144 &oslash;. United State Department of Agriculture 
144 n. S&oslash;ren Lundberg . 
149 Sergeyeva Elena/Colourbox . 
150 Gram m&oslash;lle/kenddinlandsby.dk . 
151 &oslash;. tv. Erwin Wodicka/PetraD/Colourbox . 
151 &oslash;. th. Colourbox . 
151 n. tv. Olena Buyskykh/Colourbox . 
151 n. th. Martin Kierstein/Colourbox . 
152 tv. Frederiksen Scientific A/S . 
152 th. Sjoerd van der Wal/iStock . 
153 &oslash;. Graphic_BKK1979/iStock . 
153 n. Colourbox . 
154 Colourbox . 
155 &oslash;. tv. Kornienko Alexandr/Colourbox . 
155 &oslash;. th. S&oslash;ren Lundberg . 
155 n. S&oslash;ren Lundberg . 
156 S&oslash;ren Lundberg . 
157 Aleksandr Volkov/Colourbox . 
158 Colourbox . 
159 Colourbox . 
160 Knud Erik Christensen/Colourbox . 
161 Anton Starikov/Colourbox . 
162 Spondylolithesis/iStock . 
163 Horsens Bioenergi APS.