152 questions and answers in this section

Natural Sciences » Physics

Explain why our voices change when we swallow an ice cube?

Explain why our voices change when we swallow an ice cube?

When we swallow an ice cube, the intense cold of the ice can have a direct impact on our vocal cords. In contact with the...

Read full answer

Explain why a mirror flips the image horizontally but not vertically?

Explain why a mirror flips the image horizontally but not vertically?

When an object is placed in front of a mirror, the light coming from this object is reflected by the mirror. This reflected light forms...

Read full answer

Explain why butterflies are attracted to the bright colors of flowers?

Explain why butterflies are attracted to the bright colors of flowers?

Butterflies and flowers maintain a close and symbiotic relationship. Butterflies are attracted to flowers to feed on the sweet nectar they produce. By foraging on...

Read full answer

Explain why objects appear lighter in water than in air?

Explain why objects appear lighter in water than in air?

When an object is immersed in water, it seems lighter than when it is in the air. This is due to the phenomenon of apparent...

Read full answer

Explain why steel can be both strong and flexible.

Explain why steel can be both strong and flexible.

Steel is an alloy of iron and carbon, primarily. Other elements such as nickel, manganese, chromium, tungsten, vanadium may also be present in small quantities...

Read full answer

Explain why honey never spoils?

Explain why honey never spoils?

The antiseptic power of honey is widely recognized around the world. This power comes from several mechanisms that make honey an effective antibacterial agent. The...

Read full answer

Explain why lemons float in water?

Explain why lemons float in water?

Lemon is a citrus fruit with yellow or green color, possessing a thick skin and juicy, acidic flesh. Its density is about 1.03 g/cm3, which...

Read full answer

Explain why some crystals can amplify electrical signals?

Explain why some crystals can amplify electrical signals?

The crystalline structure of crystals is characterized by a regular and ordered arrangement of their constituent atoms or molecules. Crystals are solids whose particles are...

Read full answer

Explain why magnets lose their magnetism at high temperatures.

Explain why magnets lose their magnetism at high temperatures.

When a magnet is subjected to high temperatures, the magnetic domains it is composed of can be disrupted. These magnetic domains are regions inside the...

Read full answer

Explain why does a ball bounce higher on a hard surface than on a soft surface?

Explain why does a ball bounce higher on a hard surface than on a soft surface?

The surface on which a ball bounces plays a crucial role in the height of the bounce. On a hard surface, such as concrete, the...

Read full answer