Lektionen — 4. Klasse

A colorful chemistry lab where Atlas smiles in the center holding a test tube of purple red cabbage juice, with litmus paper strips fanned out on the counter and a pH scale chart mounted on the bright lab wall behind him.

A bright classroom with a periodic table on the wall, samples of shiny metals like copper and dull nonmetals like sulfur on a table, and Atlas holding a metal spoon and a piece of chalk.

A bright kitchen scene showing a glass of water with sugar dissolving, a spoon stirring, and illustrations of water molecules surrounding sugar molecules.

A colorful laboratory with floating 3D models of atoms showing protons, neutrons, and electrons orbiting a nucleus. The guiding character, Atlas, stands beside a giant atom model pointing at its parts with a friendly smile.

Atlas in a science lab surrounded by colorful fabrics, rough stones, smooth glass, and various shaped blocks. He is holding a magnifying glass examining a smooth pebble.

A sunny windowsill with a glass jar filled with clear salty water, a string hanging into the jar with tiny sparkling crystals forming, a box of salt nearby, and a notebook with sketches of growing crystals.

A sunny green forest where a tall leafy plant absorbs bright golden sunlight through its leaves, water rises up through its roots from the soil below, and carbon dioxide molecules drift gently in through tiny pores on the vibrant green leaves.

A bright sunny park filled with children playing under tall leafy trees, a blue sky dotted with labeled O2 and CO2 bubbles floating through the air, a happy dog panting and breathing in fresh oxygen, a leafy tree absorbing carbon dioxide and releasing clean oxygen back into the air, and Atlas pointing cheerfully at the floating gas bubbles above.

A bright outdoor setting showing a rusty bicycle leaning near a garden fence with droplets of water on the metal parts and a clear sky with oxygen molecules illustrated floating around.

A bright poolside scene with floating and sinking objects like a wooden block, a metal coin, and a rubber ball in water. Atlas is holding a scale and a measuring cup, ready to explain density.

A bright kitchen scene with a stove, a pot boiling water producing steam, an ice tray with ice cubes, and a clear glass of water on the table. Sunlight streams through a window, showing water droplets on the glass and steam rising.

A glowing campfire crackles at night with three labeled arrows pointing to heat, wood fuel, and surrounding air oxygen, while Atlas holds a marshmallow on a stick nearby and a bright red fire extinguisher stands ready on the ground beside him.

A colorful kitchen counter with lemons, vinegar, baking soda, soap bars, and a pH indicator strip chart showing color changes.

A classroom with a large colorful periodic table displayed on the wall. Atlas stands next to it, pointing at several element blocks like Hydrogen (H), Oxygen (O), and Carbon (C). There are visual symbols representing each element, like a water drop for oxygen and a diamond for carbon.

A colorful classroom filled with different objects: a basketball, a glass of water, a balloon, and a rock. The guiding character, Atlas, is pointing to each object with a friendly smile.

Atlas stands next to a balance scale and a measuring cup filled with water. Various objects like a book, a bottle, and a ball are on a table nearby.

A bright recycling center hums with activity as a moving conveyor belt carries colorful plastic bottles and crushed aluminum cans past large sorting machines, while Atlas stands on the left pointing enthusiastically at a glowing recycling machine and informational posters line the walls explaining each step of the recycling process.

A colorful laboratory table holds a solid ice cube on the left with tightly packed particles shown, a clear glass of liquid water in the middle, and an inflated balloon on the right showing freely moving gas particles, while Atlas stands at the center smiling and points to a large particle diagram on the wall illustrating how particles are arranged in each state of matter.

A kitchen scene with Atlas holding a spoon, showing a bowl with a salad (mixture) and a glass of sugar water (solution). There are labels pointing to the salad ingredients and the dissolved sugar in water.

A bright science lab table with a bottle of vinegar, a bowl of baking soda, bubbles forming from their mix, and a balloon inflating on top of a bottle.

A colorful bathroom sink scene with bubbles floating in the air, a bar of soap with a smiling face, dirty hands under running water, and a close-up showing soap molecules grabbing grease and water molecules.

A bright classroom with a large molecular chain model showing repeating units linked together. Atlas holds a plastic water bottle and points to a toy made of plastic blocks.

A colorful laboratory with an ice cube on the left, a clear glass of water in the center, and a floating balloon on the right, while Atlas stands in the middle smiling and pointing to each example.

A bright science classroom with Atlas standing at a lab table wearing a white lab coat and safety goggles, surrounded by a microscope, test tubes, a beaker, and a safety poster showing no-eating, no-running, and wear-goggles symbols on the wall.

A colorful outdoor scene showing a lake, clouds, sun, rain, and snow-covered mountains with arrows illustrating the water cycle steps.

Atlas the friendly explorer stands beside a clear glass of water, holding a giant magnifying glass that reveals glowing dots with gaps between them.

A science lab with Atlas demonstrating two experiments: melting ice (physical change) and burning paper (chemical change). There are labels explaining the changes and arrows showing reversibility for physical change and no reversibility for chemical change.

Atlas the friendly guide stands in a bright kitchen lab, holding a tray with three clear cups — one full of chunky ice, one of liquid water, and one gently steaming — and points at each cup with a cheerful smile.

Atlas the friendly guide snaps on clear safety goggles at a bright lab bench, then carefully tips a labeled warning jar over a sink with both hands, face turned back.

Atlas stands at a sunlit kitchen table holding a digital scale, watching a cube of ice sitting in a clear glass bowl slowly melt into liquid water, with a spoon and a small jar of sugar nearby ready for the next experiment.

Atlas the friendly guide stands at a bright kitchen counter, stirring a clear glass of water with a spoon, watching tiny sugar specks slowly disappear into the swirling water while sunlight shines through the glass.

Atlas stands at a wooden workbench covered in colorful bowls, holding a strainer over a sink while separating a muddy mix of sand, pebbles, and water back into separate piles, grinning as the clear water drips through.

Atlas stands at a sunlit kitchen counter holding a clear glass of water and a magnifying glass, squinting curiously at the glass as tiny sugar crystals dissolve and vanish before Atlas's eyes.

Atlas stands in a sunny kitchen beside a steaming pot of water, holding an ice cube in one hand and watching a curl of steam rise into the air, grinning as tiny illustrated particles swirl around each object.

Atlas stands at a wooden workbench in a bright science workshop, holding a crayon in one hand while a candle flame flickers nearby. On the bench sit an ice cube melting in a bowl, a rusty nail, a folded piece of paper, and a small piece of burnt toast — all waiting to be examined and compared.

Atlas the friendly guide stands at a bright safe lab bench, holding a melting ice cube in one mittened hand and pointing at a rusty orange nail glowing under a warm desk lamp, with safety goggles on and a curious smile.

Atlas stands at a cluttered science workbench outdoors, holding a bar magnet over a bowl of sand and iron filings, grinning as dark flecks leap up and cling to the magnet while clean sand stays behind.

Atlas stands at a cluttered kitchen science table, eyes wide with excitement, holding a fizzing cup of baking soda and vinegar that is bubbling over the rim while a thermometer and color-changing cabbage juice sit nearby

Atlas the friendly explorer stands in a bright, tidy kitchen lab holding a clear ice cube, a glass of water, and a balloon filled with air, pointing at tiny glowing dots arranged closely inside the ice, sliding around inside the water, and zooming freely inside the balloon.

Atlas stands at a sunny kitchen counter, stirring a tall glass of lemonade while scooping spoonfuls of sugar into it one at a time, watching closely as the sugar disappears — then stops disappearing — with a look of curious wonder.