1 | Bacteria | What happens when you don’t brush your teeth? |  |  | |
2 | Digestion | What happens when you eat baked beans? |  | |  |
3 | Friction | What would you use to make a really fast slide? |  | | |
4 | Habitats | Where does a worm like to live? |  | |  |
5 | Cats | What makes a cat a cat and not another animal? |  | | |
6 | Elephants | Why aren’t elephants purple? |  | |  |
7 | Space | How big is space? |  |  |  |
8 | Mountains | How are mountains made? |  |  | |
9 | Dissolving | What’s the best way to dissolve drinking chocolate? |  | | |
10 | Popcorn | What makes popcorn pop? |  |  | |
11 | Body Noises | Why does my body make rude noises? |  | |  |
12 | Gravity | Why do astronauts bounce on the moon? |  | |  |
13 | Shoes | What is the best kind of shoe to wear at the beach? |  | | |
14 | Tides | What makes the tide go in and out? |  |  | |
15 | Night | What makes night and day? |  |  | |
16 | Rain | Why does it rain? |  | | |
17 | Balance | How do you make things balance? |  | | |
18 | Galileo | Which one would hit the ground first? |  | | |
19 | Fizz | What makes things fizz? |  |  | |
20 | Earth | What is the earth made of? |  |  | |
21 | Feeding | How do you attract a shark’s attention? |  |  |  |
22 | Teeth | How many teeth does a shark have? |  | | |
23 | Spiders | Where do you find the worlds biggest spiders? |  | | |
24 | Sound | What is sound? |  |  | |
25 | Boulders | What are these boulders made of? |  | | |
26 | Tracks | How can you tell who has been at the beach today? |  | | |
27 | Soap | What makes soap work? |  | | |
28 | Cheese | How do you change milk into cheese and butter? |  | | |
29 | Steam | How does steam power things? |  | | |
30 | Aerodynamics | What makes things fly? |  |  | |
31 | Skeleton | What is a skeleton? |  | | |
32 | Earthquake | What makes an earthquake? |  |  | |
33 | Eye | How does the eye work? |  |  | |
34 | Rock Pools | What lives in a rock pool? |  |  | |
35 | Energy | Why does exercise make me tired? |  |  | |
36 | Sneeze | What makes me sneeze? |  | | |
37 | Cold One | What happens when I get a cold? |  |  | |
38 | Toaster | How does a toaster work? |  | | |
39 | Magnetism | What makes a compass point North? |  |  | |
40 | Cake | What does it take to make the perfect cake? |  | | |
41 | Taste | Why does chocolate taste sweet and lemons taste sour? |  |  | |
42 | Time | What is time? |  | | |
43 | Colour | What is colour? |  | |  |
44 | Evolution | How long has there been life on earth? |  | | |
45 | Bridges | How do you build a strong bridge? |  |  | |
46 | Static | Why does your hair go tingly when you comb it? |  | | |
47 | Cabbage | What makes purple cabbage juice turn red? |  | |  |
48 | Refrigerator | Why do we keep food in the refrigerator? |  |  | |
49 | Capillary | What is the best material to clean up spilt spaghetti? |  | | |
50 | Plants | How do plants grow? |  | |  |
51 | Maps | What are maps? |  | | |
52 | Pets | How do you take care of a dog? |  | |  |
53 | Springs | How do springs and rubber bands work? |  | | |
54 | Bees | Why do bees make honey? |  |  |  |
55 | Cows | How does grass get turned into milk? |  | |  |
56 | Crystals | What are crystals? |  | | |
57 | Hair | Which grows faster your hair or your nails? |  |  |  |
58 | Smelly | How can I stop my feet smelling? |  | |  |
59 | Surface Tension | Why does rain fall in drops? |  |  | |
60 | Vomit | Why do you vomit? |  | | |
61 | Sleep | Why do I need sleep? |  | | |
62 | Icky | What icky things does your body do? |  | |  |
63 | First Aid | What do you do when an accident happens? |  | | |
64 | Ice | Why does ice cream melt so fast? |  | |  |
65 | Magic | Is there any magic in science? |  | | |
66 | Brain | What does my brain do? |  |  | |
67 | Egg | Why does an egg have a shell? |  | |  |
68 | Paper | Why use toilet paper and not other kinds of paper? |  | | |
69 | Stars | Why do stars twinkle? |  |  | |
70 | Mouse | Why does a mouse like to live in a house? |  |  | |
71 | Bone | How does a bone heal? |  | | |
72 | Caterpillar | How does a caterpillar change into a butterfly? |  | |  |
73 | Prickles | Why do some plants have prickles? |  | |  |
74 | Float | Why do some things float and some things sink? |  |  | |
75 | Slime | What makes slime slimy? |  |  | |
76 | Rubbish | How much rubbish does a person make in one day? |  | |  |
77 | Mammal | What makes a mammal a mammal? |  | | |
78 | Saltwater | Why is seawater salty? |  | | |
79 | Air | How can air inflate a balloon? |  | | |
80 | Shadow | What is a shadow? |  | |  |
81 | Forensic | How can I tell who ate my lunch? |  | | |
82 | Sunsafe | Why do you need to wear sun block? |  | |  |
83 | Electricity | How can a bird sit on a power line without getting electrocuted? |  | | |
84 | Gold | How do you find gold? |  | | |
85 | Dam | What does a dam do? |  | | |
86 | Tuatara | How many birthdays does a Tuatara have? |  |  | |
87 | Lighthouse | What does a lighthouse do? |  | | |
88 | Sandfly | Why does a sandfly bite? |  | | |
89 | Lake | How did this lake get here? |  | | |
90 | Takahe | Why do animals become extinct? | 
| | |
91 | Apples | How do apples grow? |  |  | |
92 | Helicopter | How does a helicopter fly? |  | | |
93 | Foodchain | What is a food chain? |  | | |
94 | Fossil | What is a fossil? |  | |  |
95 | Sing | Why do birds sing? |  | | |
96 | Computers | How does a computer work? |  | | |
97 | Fruit | What is the difference between fruit and vegetables? |  | |  |
98 | Touch | How can you feel hot and cold? |  | | |
99 | Fish | How do fish breathe underwater? |  | | |
100 | Rockets | How do rockets work? |  | |  |
101 | Internet | How does the Internet work? |  | | |
102 | Plastic | What is plastic? |  |  | |
103 | Satellite One | How does TV show us something that’s happening on the other side of the world? |  | |  |
104 | Submarine | How do submarines work? |  | | |
105 | Blackhole | What is a black hole in space? |  | | |
106 | Muscle | What do you have muscles for? |  | | |
107 | TV | How do televisions work? |  | | |
108 | Sweat | Why do people sweat? |  | | |
109 | Ginger Beer | How can I make soft drinks at home? |  | | |
110 | Microwave | What is the difference between an oven and a microwave? |  | | |
111 | Tape | How does sticky tape stick? |  | | |
112 | Houseflies | What job do houseflies do? |  | |  |
113 | Dinosaur One | Were there dinosaurs in New Zealand? |  | |  |
114 | Dizzy | Why does spinning around make you dizzy? |  | | |
115 | Blood | Why does your body need blood? |  | | |
116 | Voice | How do you speak? |  | | |
117 | Headlice | What are head lice? |  |  | |
118 | Inertia | Why do you have to wear a seatbelt? |  | | |
119 | Cranes | How do cranes on building sites work? |  | | |
120 | Wheels | Why do the wheels on my skateboard have to be round? |  | |  |
121 | Planet | What would it be like to live on another planet? |  |  | |
122 | Gravel | Where does gravel come from? | 
| | |
123 | Wind | How is wind made? |  |  | |
124 | Lever | What is a lever? |  |  | |
125 | Ears | How do ears work? |  |  | |
126 | Heat | How do I boil an egg? |  | |  |
127 | Pendulums | Why do some clocks have pendulums on them? |  | | |
128 | Secrets | How can I see the missing words? |  | | |
129 | Sewerage | What happens after you flush? |  | |  |
130 | Bogies | Why do you get bogies up your nose? |  |  | |
131 | Urine | Why is wees yellow? |  | | |
132 | Volcano | How did this volcano get here? |  |  | |
133 | Two Eyes | Why do we have two eyes? |  |  | |
134 | Mobile | How does a mobile phone work? |  | | |
135 | Cavaties | Why do we get holes in our teeth? |  |  | |
136 | Sand | Why does a beach have sand? |  |  | |
137 | Moon | Why does the moon change its shape? |  |  | |
138 | Tears | Why do you cry tears? |  |  | |
139 | Building | How do buildings stay up? |  | | |
140 | Heart | Why does your heart beat? |  | | |
141 | Lungs | What do your lungs do? |  |  | |
142 | Sky | Why is the sky blue? |  | |  |
143 | Dolphin | Is a Dolphin a fish? |  | | |
144 | Wash Yourself | Why do you need to wash yourself? |  | | |
145 | Distance | Why do things look smaller the further away they are? |  | |  |
146 | Cat Communication | What is your cat trying to tell you? |  | | |
147 | Webs | Why do spiders make webs? |  | |  |
148 | Genetics | Why do you look like you? |  |  | |
149 | Dinosaur Two | Why did dinosaurs become extinct? |  | | |
150 | Tails | Why do animals have tails? |  | |  |
151 | Thunder | Where does Thunder come from? |  | | |
152 | Fridges | How does a fridge make things cool? |  | | |
153 | Fish Swim | Why do fish swim so fast? |  | | |
154 | Poos | Why do your poos smell? |  | | |
155 | Wool | Why do sheep have wool? |  | | |
156 | High-Flying Planes | Why do planes fly so high? |  | | |
157 | Ticklish | Why can’t you tickle yourself? |  | | |
158 | Machines | What is a simple machine? |  | |  |
159 | Mirror | What is a mirror? |  | |  |
160 | Autumn | What happens to leaves in Autumn? |  | | |
161 | Handedness | Why are people right and left handed? |  | | |
162 | Thermometer | How does a Thermometer work? |  | | |
163 | Balls | Why do some balls go further than others? |  | | |
164 | Rust | Why does metal rust? |  | | |
165 | Belly Button | Why do you have a Belly Button? |  | | |
166 | Hot Air Balloon | How does a hot air balloon work? |  |  | |
167 | Weather | How can I tell what the weather will be like tomorrow? |  | | |
168 | Tornado | What is a Tornado? |  | | |
169 | Glass | What is glass? |  | | |
170 | Supermarket | How does the Kiwifruit get to the supermarket? |  | |  |
171 | Mix | How come some liquids don’t mix? |  |  | |
172 | Tree | How can you tell how old a tree is? |  | |  |
173 | Robots | What is a Robot? |  | | |
174 | Glasses | Why do some people have to wear glasses? |  | | |
175 | Tongues | Why are our tongues always wet? |  | | |
176 | Hiccups | What causes Hiccups? |  | | |
177 | Bike Gears | Why do bikes have gears? |  |  |  |
178 | Dead | Is this bug dead? |  | | |
179 | Goggles | How do goggles help us to see better underwater? |  | | |
180 | Waves | What causes waves? |  | | |
181 | Germs | Why do I need to wash my hands? |  |  | |
182 | Gyroscope | What does a gyroscope do? |  | | |
183 | Goosepimples | What causes goose pimples? |  | | |
184 | Lightbulb | How does a light bulb work? |  | | |
185 | Bubble | How do you make the biggest bubble? |  |  | |
186 | Garden | What lives in the garden? |  | | |
187 | Snow & Ice | How do they travel over snow and ice? |  | | |
188 | Cold Two | How do you keep warm in Antarctica? |  | | |
189 | Long Jump | Why does running really fast help you to jump further? |  | | |
190 | Steel | What is steel made from? |  | | |
191 | Trunks | What are elephant’s trunks for? |  | | |
192 | Wrinkles | Why do you get wrinkles? |  | | |
193 | Photosynthesis | How does a tree eat? |  | | |
194 | Earthspace | What does the earth look like from a space rocket? |  | |  |
196 | Tram | How does a tram work? |  | |  |
197 | Satellite Two | Why don’t Satellites fall out of the sky? |  | | |
198 | Letters | Where do letters go when you post them? |  | |  |
199 | Earthspin | Why don’t we feel the earth moving? |  | |  |
200 | School Past | What was school like a long time ago? |  |  | |
201 | Stormwater | Where does the water go when it rains? |  |  |  |
202 | Cicada | What does a cicada look like? |  | | |
203 | Moon II | Where did the moon come from? |  | | |
204 | Cartoon | How do the pictures in a cartoon move? |  | | |
205 | Months | Why do different months of the year have different numbers of days? |  | | |
206 | Bread | How does bread get made at the supermarket? |  |  |  |
207 | Rainbow | Where do rainbows come from? |  |  | |
208 | Sensors | How do automatic doors know when to open? |  |  | |
209 | Lifejackets | Why do we need to wear lifejackets? |  | | |
210 | Money | Why do we have money? |  | | |
211 | Allergies | What is an allergic reaction? |  |  | |
212 | Harbour Bridge | Why did they put the Auckland Harbour Bridge there? |  | | |
213 | Grow | How does your body know to grow? |  |  | |
214 | Warts | What are warts? |  | | |
215 | Seasickness | Why do we get seasick? |  |  | |
216 | Milk | What happens to milk after it comes out of the cow? |  | | |
217 | Feet | Why don’t animals have feet like ours? |  | | |
218 | Toys | What kind of toys did my great grandparents play with? |  | | |
219 | Compost | What good is a rotten apple? |  | | |
220 | Cars | How do cars work? |  |  | |
221 | Powhiri | What happens at a Powhiri? |  | | |
222 | Wētā - Weta | How does a wētā hear? |  |  | |
223 | Newspaper | How are newspapers made? |  | | |
224 | Smoke Alarms | How do smoke alarms work? |  | | |
225 | Salt | Where does salt come from? |  | | |
226 | Beachflags | Why are there flags on the beach? |  | | |
227 | Roads | How do you build a road? |  |  |  |
228 | Hangi | How do you make a hangi? |  | | |
229 | Toothpaste | What is toothpaste? |  |  | |
230 | Penguin | Why don’t penguins fly? |  | | |
231 | Oil | Where does oil come from? |  | | |
232 | Happy | Why don’t I feel happy all the time? |  |  | |
233 | Marlborough Sounds | How were the Marlborough Sounds made? |  | |  |
234 | Skin Colour | Why do people have different coloured skin? |  | | |
235 | Rocks | What makes some rocks sparkle? |  | | |
236 | Ice Cream Pain | How can eating ice cream give you a pain in the head? |  |  | |
237 | Geysers | How do geysers work? |  | | |
238 | Camera | How does a camera work? |  | |  |
239 | Dyes | How do you get purple wool? |  | | |
240 | Glow-worms | Why do glow-worms glow? |  |  | |
241 | Pimples | What is a pimple? |  | | |
242 | Waterfall | How do waterfalls get made? |  | | |
243 | Chocolate | Why can’t you just eat chocolate? |  | | |
244 | Whales | How do whales breathe underwater? |  | | |
245 | TV Programme | How do we make Suzy’s World? |  | | |
246 | Moa | What happened to the moa? |  | | |
247 | Blush | Why do we blush? |  | | |
248 | Writing Pens | What did people write with before they had pens? |  |  | |
249 | Kauri Snail | What does a kauri snail eat? |  | | |
250 | Drinking Water | Why do I need to drink water? |  | | |
251 | Reflexes | What is a reflex? |  | | |
252 | SPCA | Why do some animals go to the SPCA? |  |  | |
253 | Mussels | How do mussels grow? |  | | |
254 | Prime Minister | What does the Prime Minister do? |  | | |
255 | Helmet | Why do I have to wear a cycle helmet? |  | | |
256 | Flies Walking | How do flies walk on walls and ceilings? |  | | |
257 | Eruption | What happens when a volcano erupts? |  | | |
258 | Parachute | How does a parachute work? |  | | |
259 | Police | What do the police do? |  | | |
260 | Eels | How do you catch an eel? |  | | |
261 | Jelly Beans | How are jelly beans made? |  |  | |
262 | Yachts | What makes a yacht go? |  | | |
263 | Speed Limit | Why do we have a speed limit? |  | |  |