¿La roca o la pluma? Nivel 55

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¿La roca o la pluma? | Libro ATAL de ciencia nivel 55

Palabras de Práctica

Grupos consonánticos con r (continuación): pr, tr, tl.

prisa problema pronto truco
Página 1
On the right side of the image, The Boy sits on the grass leaning against the trunk of a large tree, holding a rock up in one hand and a white feather in the other. He has a curious, wide-eyed expression as he examines the rock. The scene is set outdoors on a grassy hillside with soft, rolling green hills and a pale cloudy sky in the background, suggesting daytime with gentle overcast lighting. The left side of the image is open sky and hillside, clear of characters or objects.

El niño tenía una roca en una mano y una pluma en la otra. —La roca llega al suelo primero —dijo—. Pero espera... ¿es muy pesada o solo un poco?

Página 2
On the left side of the image, an elephant stands gripping a small dark rock tightly in the curled tip of its trunk, holding it up as if examining it. The elephant has its mouth slightly open and appears curious or contemplative. The scene is set outdoors against a warm orange sky with a bright yellow sun near the top center, suggesting a hot, sunny day. The right side of the image is plain orange-toned background.

El niño miró la roca. Era dura y fresca, aun bajo el sol. Un elefante la podía apretar con la trompa. La roca seguía igual. Mejor no morderla.

Página 3
On the right side of the image, The Boy is leaning forward with both arms outstretched, pushing against a massive elephant that is sitting stubbornly on the ground. His body is braced low with legs bent, showing a determined effort, but the elephant remains completely unmoved, sitting calmly with a placid expression. The scene is set outdoors on flat, sandy ground under a pale blue sky, with the left side left as open background.

—Una roca es como un elefante —dijo el niño—. Los dos se quedan ahí. El niño empujó al elefante con todas sus fuerzas. Nada. —Ya veo —dijo, sin aire.

Página 4
On the left side of the image, The Boy stands facing the viewer, holding a dark rock in his right hand (lowered slightly) and a light feather in his raised left hand. He looks up toward the feather with a curious, contemplative expression, as if comparing the weight of the two objects. The background is a warm, plain orange with no other objects or characters.

La pluma no era como la roca. Era suave y podía ir con la brisa. El niño alzó las dos. La roca bajó su brazo. La pluma le hizo cosquillas. ¿Cuál era el truco?

Página 5
On the right side of the image, The Boy stands holding a large dark rock above his head with both hands. The rock has "?kg" written on it in white chalk-like text. The Boy has a curious, slightly strained expression with wide eyes and an open mouth, as if wondering how heavy the rock is. The background is a warm, plain yellow-orange tone with no other objects or characters.

El niño alzó la roca sobre su cabeza. —¿Pesas cinco kilos? ¿Diez? ¿Cien? La roca no dijo nada. Típico. Había un número secreto. Era un problema de peso.

Página 6
On the left side of the image, Dad stands holding up a traditional balance scale with his right arm raised, looking confident and helpful with a slight smile. The Boy stands beside him at a lower height, peeking out from behind Dad with wide, curious eyes, watching the scale. One pan of the scale holds a cluster of round purple objects (used as counterweights), while the other pan sits empty, ready for the rock. The scene is set outdoors in a suburban American yard on a clear day, with green bushes and a blue sky with a few white clouds in the background. The right side of the image is open sky, clear for text.

—¡Papá! ¡Ayuda! —gritó el niño. Papá llegó pronto con una balanza. —¿Alguien dijo pesar? —dijo feliz. El niño abrió los ojos. —¡Eso sirve!

Página 7
On the right side of the image, Dad stands at a three-quarter angle holding a clear flask filled with water in one hand, presenting it proudly with a confident smile. Next to him, a simple diagram shows the filled water flask next to an equals sign and a 1kg weight, illustrating the concept that the water-filled flask weighs exactly one kilogram. Small radiating lines surround the diagram for emphasis. The background is plain white. The left side of the image is clear for text.

Papá trajo un frasco con agua. —Primero, algo de un kilo. Este frasco pesa justo eso. Un frasco, un kilo. Papá lo dibujó. —Ahora podemos pesar casi todo.

Página 8
On the left side of the image, a large balance scale dominates the scene. On the left pan, ten cows stand huddled together, looking wide-eyed and slightly bewildered, their combined weight pulling that side of the scale down lower. On the right pan, 200 dogs of various sizes and breeds are crammed into a large cardboard box labeled "200," sitting higher up as the scale tips in the cows' favor. The background is split with a bright turquoise color on the left and yellow on the right, with the right portion remaining as plain background space.

—Papá, ¿más cosas pesan más? —No siempre. Mira: diez vacas y doscientos perros. —¡Perros! —dijo el niño. —No. Ganan las vacas. No es cuántos son: es cuánta masa tienen.

Página 9
On the right side of the image, a large painted Earth globe floats against a plain white background, showing blue oceans and green continents in a loose, watercolor-style illustration. The left side of the image is entirely clear white space. The composition is simple and conceptual, emphasizing the vastness of the world in relation to the page's theme of weighing the Earth.

El niño miró las colinas, el cielo y el suelo bajo sus pies. —¿Podemos pesar la Tierra? Papá se rio. —No hay balanza tan grande. Pero hay matemáticas.

Página 10
On the left side of the image, a large grid of many identical blue water jugs or gallon containers fills the space, with the number "5,974,000,000,000,000,000,000" written below them. An equals sign sits in the center, and to its right is a colorful illustration of Earth shown as a globe with blue oceans and green landmasses. The right portion of the image is plain white background. The composition is a simple infographic-style visual comparing the massive number of containers to the weight of the Earth.

—La Tierra pesa como cinco mil millones de miles de millones de frascos de agua —dijo papá. El niño lo pensó. Era demasiado. —A ver, di ese número sin prisa.

Página 11
On the right side of the image, a large balance scale hangs from above against a bright blue sky with soft clouds. The left pan of the scale holds an enormous, overflowing pile of feathers that towers upward, while the right pan holds a small water flask (one kilogram), with both sides balanced evenly. A tiny bird perches on the top beam of the scale, and a white butterfly flutters nearby. The dramatic size contrast between the massive mound of feathers and the compact flask visually emphasizes the difference in volume for the same weight.

—¿Y mi pluma? —dijo el niño—. ¿Cuántas hacen un kilo? Papá puso agua de un lado y plumas del otro. La pila subió y subió. Al fin, la balanza quedó igual.

Página 12
On the left side of the image, large blue-outlined raindrops fall from a soft watercolor sky filled with white clouds, against a turquoise and green-tinted background. The scene is an outdoor daytime sky view with scattered raindrop illustrations drifting downward, evoking a gentle rain shower. No characters are present — the composition is purely atmospheric, showing the rain referenced in the page text.

La lluvia cayó. Una gota tocó la mano del niño. Casi no pesaba. —Pero muchas gotas hacen el mar —dijo bajito. Las cosas chicas se suman. El mundo tenía trucos.

Página 13
On the right side of the image, The Boy sits cross-legged on the pan of a large hanging balance scale, smiling contentedly with his arms wrapped around his knees. His pan is labeled "30 kg." Above him to the upper left, another pan holds a halved watermelon with a label reading "5 kg." To the far right, the tip of an elephant's trunk is visible, connected to a pan labeled "1000 kg." The left side of the image is plain white background.

El niño subió a la balanza. ¡30 kilos! Más que una sandía, menos que un elefante. Alzó la roca y la pluma. —Tres, dos, uno... ¡suéltalos! ¿Cuál llegó primero?

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