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العلوم , التكنولوجيا

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آخر الأخبار كتب الأطفال قصة القصص الخيالية

المراجع العامة الحيوانات , النباتات , الطبيعة , البيئة العلوم , التكنولوجيا القانون , الاقتصاد الإنسان العلوم , السياسة الدين , الفلسفة , علم النفس الفن , الموسيقى أخرى

635 كتب إلكترونية في هذه الفئة

غلاف Sara Pistoia: Measurements

Sara Pistoia: Measurements

We can measure almost everything. We measure things to find out how big they are. Explore real-world examples to learn basic mathematical concepts in Measurements, a Let’s Do Math! …

الإنجليزية

غلاف Gordon McComb: Building Your Own Robots

Gordon McComb: Building Your Own Robots

Fun robotics projects that teach kids to make, hack, and learn! There’s no better way for kids to learn about the world around them than to test how things work. Building Your Own Robots presents …

الإنجليزية

غلاف Olivia J. Mullins: Experimenting with Science

Olivia J. Mullins: Experimenting with Science

Cool projects that let your kid test the laws of science There’s no better way to learn about the world around us than to test how things work–and that’s exactly what this book guides kids to do. …

الإنجليزية

غلاف Julia Vogel: The Calendar

Julia Vogel: The Calendar

A calendar can help people to count how long it is until their birthday. Calendars measure days, weeks, months, and years. Learn about different types of calendars and the history of measuring days, …

الإنجليزية

غلاف Sara Pistoia: Money

Sara Pistoia: Money

We use money to buy things. It is important to know how to count money. Explore real-world examples to learn basic mathematical concepts in Money, a Let’s Do Math! …

الإنجليزية

غلاف Julia Vogel: Volume

Julia Vogel: Volume

Volume is the amount of space taken up by something. A farmers’ market is a good place to learn about volume. Learn about the tools needed to measure how much space an item takes up and different …

الإنجليزية

غلاف Sara Pistoia: Fractions

Sara Pistoia: Fractions

People everywhere use fractions. Fractions show how many parts of something make up the whole. Explore real-world examples to learn basic mathematical concepts in Fractions, a Let’s Do Math! …

الإنجليزية

غلاف Julia Vogel: Weight

Julia Vogel: Weight

Weight is how heavy something or someone is. By measuring weight, people can tell in pounds and grams who has the heaviest backpack and the lightest lunch. Learn about the tools needed to measure …

الإنجليزية

غلاف Sara Pistoia: Shapes

Sara Pistoia: Shapes

Almost everything in our world is made of shapes. Flat shapes are called plane shapes. Explore real-world examples to learn basic mathematical concepts in Shapes, a Let’s Do Math! …

الإنجليزية

غلاف Janice VanCleave: Janice VanCleave's Science Through the Ages

Janice VanCleave: Janice VanCleave’s Science Through the Ages

How much would you weigh on Mars? What can exploding balloons tell us about weather? Why do heavy ships stay afloat on water? How can you lift an elephant with one finger? You’ll discover …

الإنجليزية

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