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Plants & Food questions for kids

Questions about seeds, leaves, fruit and the food we grow.

Why do leaves change colour?
Why do plants need sunlight?
Why do flowers smell nice?
Why do apples turn brown?
Why do seeds sprout?
Why do trees have bark?
Why do bananas go spotty?
Why are leaves green?
Why does fruit have seeds?
Why does bread rise?
Why do onions make us cry?
Why do potatoes grow eyes?
Why does milk turn into yoghurt?
How do roots drink water?
What is pollen?
Why do flowers have bright colours?
How do bees help flowers?
What is a vegetable?
Why do carrots grow underground?
How do trees make fruit?
Why do some fruits have peels?
What is compost?
How do plants know which way to grow?
Why do plants need roots?
How do flowers turn into fruit?
What is a seed?
Why do apples have cores?
How does rice grow?
What is wheat?
Why do some foods go mouldy?
How does cheese get made?
What is honey made from?
Why do chillies taste hot?
What is a grain?
Why do lemons taste sour?
How do mushrooms grow?
What is yeast?
Why does toast turn brown?
How do farmers grow food?
What is a greenhouse?
Why do plants bend toward light?
How does chocolate get made?
What is a spice?
Why do some seeds fly like tiny helicopters?
Why do trees have rings inside their trunks?
Why are some berries bright red or blue?
Why does corn turn into popcorn?
Why can cactus plants live with so little water?
Why do potatoes turn green in sunlight?
Why do some leaves have jagged edges?
Why does cooked food smell stronger than raw food?
Why do nettles sting when you touch them?
Why are watermelons so full of water?
Why do coconuts float across the sea?
Why do avocados have such big seeds?
Why do vines climb instead of standing up?
Why do some flowers smell strongest at night?
Why do bamboo plants grow so quickly?
Why do oranges have thick peels?
Why do chestnuts hide inside prickly shells?
Why do bananas grow in bunches?
Why do herbs smell stronger when you crush them?
Why do pineapples have spiky leaves?
Why do leaves have different shapes?
How do trees survive strong winds?
Why do pine trees make cones?
How do vines know which way to climb?
Why do Venus flytraps snap shut?
How do plants know when it is spring?
Why do some plants survive without soil?
How do roots crack concrete?
Why do some flowers look like insects?
How do seeds wait for years before growing?
Why do seeds carry the future of plants?
How do plants make life possible for animals?
Why do people grow food in so many different ways?
How does food connect people to places?
Why do apples turn brown after slicing?
How do beans know which way to send roots?
Why do cucumbers have bumps?
How do pineapples grow from many flowers?
Why do mushrooms pop up after rain?
How do peanuts grow underground?
Why do mint leaves feel cool?
How do grapes dry into raisins?
Why do carrots turn sweeter after frost?
Why do pears ripen after picking?
How do potatoes store energy underground?
Why do basil leaves wilt so quickly?
How does cocoa become chocolate flavour?
Why do lemons make milk curdle?
How do peas climb without hands?
Why do pumpkins have thick skins?
How does salt make eggplant softer?
Why do roasted nuts smell stronger?
How can plants warn each other about insects?
Why do some seed pods explode?
How can some trees survive forest fires?
How do fungi connect the roots of different plants?
Why does the corpse flower smell like rotten meat?
Why does melted cheese stretch?
How does bread get a crispy crust?
Why does rice become sticky when it cooks?
How does cream turn fluffy when we whip it?
How does mayonnaise stay mixed when oil and water usually separate?
How does sourdough keep bubbling without a packet of yeast?
Why do onions taste sweeter after cooking?
How do pickles stay crunchy in salty liquid?
Why does jam turn from runny fruit into a wobbly spread?
How does sugar turn into brown caramel?
Why does a Venus flytrap count touches?
Why do sensitive plants fold their leaves when touched?
Why does the rafflesia flower smell like rotten meat?
Why are pitcher plant rims so slippery?
Why do baobab trees have such enormous trunks?
How do mangrove roots breathe in muddy ground?
How can banyan roots turn into new trunks?
Why can people harvest cork without killing the tree?
Why do dragon's blood trees grow like giant umbrellas?
Why do strangler figs begin life high in other trees?
Why do pine cones close when the air is wet?
Why does water roll off lotus leaves in round beads?
How can resurrection plants look dead and then turn green again?
Why do cacao pods grow straight from the trunk?
Why are many vanilla flowers pollinated by hand?
Why is saffron so expensive?
Why does maple sap flow strongly in early spring?
Why do cranberries float in water?
Why is an artichoke actually a giant flower bud?
Why do peanuts grow underground after flowering above ground?
Why does bread turn mouldy?

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