Matemáticas en Marte (Math on Mars)

The asteroid belt between Mars and Jupiter is an intriguing area of our solar system. Scientists have counted over 670,000 known asteroids there, but there could be millions more not yet found. Readers will discover much more about the asteroid belt in this highinterest book, which blends science and math. They'll read about several topics, such as space missions to the asteroid belt and the difference between an asteroid and a planet, and solve associated math problems-just like actual space scientists do!

¡Todos los cuerpos son hermosos, y todos crecen a su propio ritmo! Tranquila, tu momento está por llegar. Si alguna de estas cosas te suena, este libro es perfecto para ti: - Estás pensando en ir a comprar tu primer bra - Esperas tu primer periodo (o acaba de llegar) - Has empezado a notar algunos granitos en tu cara - El vello ahora crece aquí y allá... Experimentas emociones y sentimientos intensos, y no puedes controlarlos En Secretos de chicas, Sonya Renee Taylor explica qué pasa durante la pubertad, te ayuda a sentirte orgullosa de tu cuerpo, segura de tí misma y lista para los...

Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.

What better way to portray bioluminescent creatures of the sea, earth, and sky than in a glow-in-the-dark book? Scientific researcher María Emilia Beyer reveals the truth about these animals that produce their own light using special substances, as well as how they use this ability to search for food, defend themselves from prey, communicate, and find a mate. Readers will find eight species of bioluminescent plants and animals and can turn out the lights to see them in all their splendor--and read special hidden text!

It's Sometimes Hard To Be Honest But This Book Teaches Students The Importance Of Being Honest At Home, In School, And In Their Everyday Lives. It Has An "Honesty Quiz" At The Back Of The Book Where Students Can See Just How Honest They Really Are. Complete K-5 Social Skills Collection. Paired With A Fiction Social Skills Title.