What did George de Mestral see when he examined the burr under a microscope?, Smooth surfaces, Tiny seeds inside the burr, Countless tiny hooks, Drops of sticky liquid, ? According to the passage, where can Velcro be found today, Only on clothes, Only in laboratories, On many everyday items, Only on space shuttles, George de Mestral discovered the idea for Velcro after noticing plant burrs sticking to his clothes during a hike, ✅, ❌, Velcro is not made of two smooth metal strips; it is made of two nylon strips, one with hooks and the other with loops., ✅, ❌, ? How does Velcro work according to the passage, By using glue to stick surfaces together, By using magnets to attract fabric , By using tiny hooks that cling to small loops, By tying two nylon strips together, George de Mestral examined the burrs under a microscope to understand how they stuck to fabric., ✅, ❌, ? What did George de Mestral see under the microscope, Big seeds, Tiny hooks on the burrs, Water drops, Smooth fabric, The tiny hooks on the burrs were designed by nature to help spread seeds to new areas, ✅, ❌, Velcro is used only in clothing and shoes, ✅, ❌, ? What inspired George de Mestral to invent Velcro, A problem with his shoes, Burrs sticking to his clothes after a hike, A new type of fabric he saw in a store, An experiment in a.

Reading

per en/la
Imprimir
Incrustar

Tauler de classificació

Estil visual

Opcions

Canvia de fonament

)
Restaurar desada automàtica: ?