Nartnik

Czy podoba Ci się lekcja wideo?

• Tak

• Nie

What type of insect is prominently featured walking on the water surface?

• Dragonfly

• Water strider

• Mosquito

• Beetle

How many legs are visible on the water strider shown in the video?

• Two

• Four

• Six

• Eight

What is observed on the water surface where the water strider's legs make contact?

• Bubbles

• Ripples

• Small depressions

• A thin film of ice

What phenomenon allows the insect to walk on the surface of the water without sinking?

• Buoyancy

• Water pressure

• Surface tension

• Adhesion

In the final segment of the video, what is notable about the group of water striders?

• They are all swimming underwater.

• They are flying above the water.

• They are moving in a coordinated formation.

• They are numerous and spread across the water surface.