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Science

The observation, identification, description, experimental investigation, and theoretical explanation of phenomena is all part of science. Nothing is immune to the scientific process: from charm quarks that haven't existed naturally since the beginning of time to Pluto, recently demoted from planet to dwarf planet. Questions on knowledge about the material and physical aspects of our world are asked and answered here.

203,801 Questions

How does a compass help you find directions?

A compass uses Earth's magnetic field to point towards the magnetic north pole. By aligning the compass needle with the north direction, you can determine your orientation and find other directions such as south, east, and west.

Are tidal bulges caused by turbidity currents?

No, tidal bulges are caused by the gravitational pull of the moon and the sun on the Earth's oceans, resulting in a slight distortion of the water's surface. Turbidity currents are fast-moving underwater sediment flows that are driven by gravity, occurring independently of tidal forces.

What does it feel like to float in space?

Floating in space feels weightless and liberating. Without gravity pulling you down, you experience a sensation of freedom and effortless movement. It can also feel disorienting because there is no up or down.

Are the black dots in the kiwi seeds?

Yes, the black dots in kiwi are the seeds. Each tiny black dot represents a seed that can be eaten along with the flesh of the fruit.

How does the sun shine on the warmest parts of the earth Demonstrate this with a flashlight and a globe?

It's the other way around. The warmest parts of the earth are warmest because the sun has shone on them. Demonstrate with a high-power lamp shining on a globe. After a while, the parts that are lit will feel warmer to the touch.

What do amethysts symbolize?

Amethyst has often been know as a stone of protection and a source of sweet dreams.

Does your shadow have color?

No. Color is the reflection of light and shadows are areas where light does not reflect off of an object. The dark area you see is the area where light, and there for color, is not present. Simply stated, a shadow does not have color.

On a side note: black is not a color, it is the absence of color.

How many years from earth is the sun?

I believe you mean "how far is the earth from the sun"? The mean distance of the Sun from the Earth is approximately 149.6 million kilometers (93.5 million miles), though the distance varies as the Earth moves from perihelion in January to aphelion in July. At this average distance, light travels from the Sun to Earth in about 8 minutes and 19 seconds.

Why shadows are not formed at night?

it is because a shadow is a blocking of a light source and at night there are not many light sources activated. But there are shadows from Moonlight sometimes. And sometimes in your household.

What causes tidal fluctuations?

The specific gravitational pull from the moon, which is why there is a "low" and "high" tide.

As the earth rotates, the moon appears closer to one side, making the tides "high" and the other side of the earth "low."

How does brigthness vary from the size of the star?

Brighter stars are typically larger in size because they have more surface area to emit light and heat. The luminosity of a star depends on its size, with larger stars generally being brighter than smaller stars. However, other factors such as temperature and distance also play a role in determining a star's brightness.

What is a prominence in space?

Usually referred to in Solar processes, when a huge current of ionized gas near the surface of the Sun, causes a magnetic loop to form and attract ionized gas out into space. Generally associated with Sunspots.

Why can't a pencil be used in outer space?

A pencil can be used in outer space, but traditional wooden pencils are not ideal for writing in space due to the lack of gravity. The graphite tip can break off and float around, potentially getting in astronauts' eyes or equipment. Instead, astronauts often use special mechanical pencils or pens that work in microgravity.

Why are derived characteristics more important than ancestral characteristics?

Derived characteristics are typically more diagnostic and informative for understanding the evolutionary relationships among organisms because they reflect recent changes and adaptations. Ancestral characteristics may be shared among distantly related species and therefore can be less useful for determining evolutionary relationships. Derived characteristics provide a clearer picture of how species are related and have evolved from a common ancestor.

Is a spider a primary consumer?

No, spiders are not considered primary consumers because they are carnivorous predators that feed on other organisms, such as insects. Primary consumers are typically herbivores that feed on plants.

What is the depth of the sky?

The sky does not have a physical depth as it is the region of the atmosphere that appears above the Earth. In terms of human perception, the sky can appear to be vast and endless, with its apparent depth changing based on atmospheric conditions and visibility.

Do mealworms have ears?

No, they have sensory parts in there brain.

What is the big yawn?

The big yawn is a phenomenon where a group of individuals or organizations collectively respond to a situation with widespread lack of interest or enthusiasm, often due to being overwhelmed, desensitized, or disengaged. It can be a form of passive resistance or a sign of societal fatigue towards a particular issue.

What are chamois made of?

Chamois are typically made from the skin of the Chamois goat or sheep. These animals have soft and absorbent leather that is commonly used for cleaning and polishing in various industries such as automotive and household cleaning.

What is the Holofractographic Universe?

The "holofractographic universe" is terribly long word describing what a "laymen" might better understand as this-the Universe is a repeticious "Crystallic" It exists in the exact same way from the scale of the ethereal/material vacuum to what we see as solar systems, galaxies, the whole universe itself. We humans are scaled "crystallics" in the mix and we are connected to every crystallic in existence and that includes past, present and future "crystallics"

Do sailors really use the constellations to find where to go?

Yes, sailors have traditionally used constellations for navigation at sea. By observing the position of specific stars in relation to the horizon, they can determine their direction and location on Earth. This technique is known as celestial navigation.

What beneficial function do termites serve in wild habitats?

Termites play a vital role in the ecosystem by breaking down tough plant material like wood into nutrient-rich soil. This aids in recycling nutrients and contributes to soil fertility. Additionally, termites create tunnels that help aerate the soil and increase water infiltration, benefiting plant growth.

What would happen if the sun went one degree higher?

If the sun were to increase its temperature by one degree, it could lead to more intense heatwaves on Earth, potentially causing heat-related illnesses, droughts, and wildfires. It may also contribute to accelerated ice melt in polar regions and impact weather patterns worldwide.