Levers give us the lift we need. Scissors, staplers, and wheelbarrows are just some of the levers...

Who gets classrooms ready, helps students learn, and makes kids feel safe and welcome, all in one...

Maestros. Protectores. Encuentran a muchas mascotas perdidas. ¡Los oficiales de policía hacen tod...

Separan, cargan, conducen y caminan. Entregan cartas y paquetes en tu casa. ¡Son los carteros! De...

Who stocks shelves with food, helps customers find what they need, and hands out tasty samples? A...

Who listens to your pet's heart, takes X-rays, and cares for animals large and small? A veterinar...

¡Planea, serrucha, martillea, encuadra! Los constructores hacen los edificios que nos cobijan y n...

This introduction to pulleys will lift your knowledge of a useful simple machine. You can sail th...

Who uses special tools and gear, fights smoke and flames, and helps people in emergencies? A fire...

Who can examine a patient, prescribe medicine, and help you feel better when you are sick? A doct...

Can a garden be inside? Learn how to build your own tiny garden in a glass container. This Makers...

Start your engines using a cereal box and other household items. In this Makerspace title, learn ...

Teachers. Protectors. Returners of lost pets. Police officers do all of this and more! Find out h...

They sort, load, drive, and walk. They deliver letters and packages right to your home. They are ...

Did you use a ramp or stairs, or go down a slide today? All of these are inclined planes. Learn m...

When you slice a pizza, you're cutting a wedge shape with a wedge! These simple machines help us ...

Who stocks shelves with food, helps customers find what they need, and hands out tasty samples? A...

Doctor

¿Quién prepara el salón de clases, ayuda a los estudiantes a aprender y hace que los niños se sie...

Bombero

Screws are handy simple machines. These curvy inclined planes help hold things together. Learn mo...

They sort, load, drive, and walk. They deliver letters and packages right to your home. They are ...

Separan, cargan, conducen y caminan. Entregan cartas y paquetes en tu casa. ¡Son los carteros! De...

Plan, saw, hammer, frame! Builders construct the buildings that shelter us and keep us safe: hous...

The wheel and axle could be the MVP of simple machines. You couldn't ride a bike or open a door w...

When you slice a pizza, you're cutting a wedge shape with a wedge! These simple machines help us ...

Who gets classrooms ready, helps students learn, and makes kids feel safe and welcome, all in one...

Who can examine a patient, prescribe medicine, and help you feel better when you are sick? A doct...

Did you use a ramp or stairs, or go down a slide today? All of these are inclined planes. Learn m...

¿Quién prepara el salón de clases, ayuda a los estudiantes a aprender y hace que los niños se sie...

¿Quién puede examinar a un paciente, prescribir medicamentos y ayudarte a sentir mejor cuando est...

Who uses special tools and gear, fights smoke and flames, and helps people in emergencies? A fire...

Plan, saw, hammer, frame! Builders construct the buildings that shelter us and keep us safe: hous...

Who listens to your pet's heart, takes X-rays, and cares for animals large and small? A veterinar...

A look at a go-kart's design and mechanics.