Science Experiments

It will occur on December 31, 2009.

Jaguars are becoming extinct primarily due to habitat loss caused by deforestation, human encroachment, and fragmentation of their habitat. Additionally, Jaguars are being hunted for their fur and body parts, and face conflicts with humans over livestock predation. Conservation efforts are important to protect jaguars and their habitats.

A foam plate typically does not have a significant overall charge. However, it can acquire a temporary charge due to friction or contact with other charged objects, resulting in either a positive or negative charge depending on the circumstances.

While some people believe that a full moon can affect human behavior and sleep patterns, scientific studies have not found conclusive evidence to support these claims. Some research suggests that moon phases may influence melatonin levels and sleep quality in certain individuals, but more research is needed to fully understand the potential effects of the full moon on the human body.

Two processes that increase the likelihood of a successful outcome in science are peer review, where other experts evaluate and provide feedback on research before publication, and replication, where experiments are repeated by different researchers to validate results and ensure they are reliable.

An Alcubierre drive is a hypothetical engine which is capable of faster than light travel by enveloping the spacecraft in a bubble of curved spacetime. This shell is allowed to travel faster than light, the spacecraft moving less than the speed of light inside the shell.

The drive does require the existence of a type of exotic matter; matter with an imaginary mass. Such matter has never been observed and is considered highly speculative.

Electrons in an atom are typically represented by the letter "e" in chemistry and physics. The electron cloud model shows the possible locations of the electrons around the nucleus. The letter "O" is commonly used to represent oxygen in chemical formulas.

planeria is a fresh water organism. it leave in low current streams. they live in groups.they can be seen in ponds, lake etc. Although planarians can be found in marine or moist terrestrial habitats, most inhabit freshwater areas. terestrial planerians are brightly colored.

Thick steel wool will conduct electricity better than thin steel wool because it has more surface area for the current to flow through. The thicker material allows for more pathways for the electricity to travel, resulting in lower resistance and better conductivity.

The steps in the water cycle that involve a change of state are evaporation (liquid water to water vapor), condensation (water vapor to liquid water), and precipitation (water droplets or ice crystals falling from clouds).

Yes, hydrogen bonds help hold the two DNA strands together in a double helix structure. Adenine binds to thymine through two hydrogen bonds, and guanine binds to cytosine through three hydrogen bonds. These hydrogen bonds contribute to the stability of the DNA structure.

One useful application of the greenhouse effect is in agriculture, where greenhouses are used to create a controlled environment for growing plants. The greenhouse effect helps to trap heat and regulate temperature, creating optimal conditions for plant growth. This allows farmers to cultivate crops throughout the year, regardless of external weather conditions.

Yes, gravity does affect time. According to Einstein's theory of general relativity, gravitational fields can slow down time. This effect is known as gravitational time dilation, where time runs slower in stronger gravitational fields. It has been experimentally verified, such as with atomic clocks on Earth and in space.

First - Earth goes around the sun once a year. Every night, when Earth turns away from the sun, we see a particular area of space and the stars there. As Earth moves around the sun, we see different parts of space, and different patterns of stars as they come into view. The constellations we see in the summer, are then behind the sun in winter and vice versa ! Does that help?

Shadows change throughout the day due to the varying position of the sun in the sky. In the morning and evening, shadows are longer as the sun is lower on the horizon, while at noon shadows are shorter as the sun is directly overhead. The angle and length of shadows also depend on the season and the latitude of the location.

Noble gases, which have 8 valence electrons, tends to stay within their own fundamental forms.

It gets real close to freezing up in the airplanes and vehicles used in the Arctic and Antarctic weather. I think its molecules can't compress enough to totally stop all movement. It can freeze if the temperature is low enough.

A first quarter moon occurs when half of the moon's face is illuminated, appearing as a right half-circle. A waxing crescent moon occurs when only a small sliver of the moon's face is illuminated on the right side. The first quarter moon is the halfway point between the new moon and the full moon, while the waxing crescent occurs in the earlier stages of the moon's waxing phase.

Convection and radiation (internally) and radiation (externally).

1. Microgravity has been found to affect bone density, muscle strength, and cardiovascular function in astronauts.
2. Plants grown in space have displayed unique growth patterns and genetic expression due to the absence of gravity.

The resulting product would be a roughly 2 M NaCl solution (slightly less than 2 molar because the solution is diluted by the water that is produced by the reaction).

2 M HCl + 1 M Na2CO3 --> 2 M NaCl + 1 M H2O + 1 M CO2

Two moles of NaCl weigh about 117 g (58.5 grams per mol) so the resulting solution has a sodium chloride concentration of about 117 grams per liter.

This concentration is well below the maximum solubility of water at room temperature and atmospheric pressure ( > 300 g/liter) so there would not be any NaCl at all precipitating.

The answer is thus: no NaCl precipitate will form.

We calculate mass using your weight. Your mass always is the same but your weight might change if you were to go to a different planet and be in a different gravitational field. Since that probably won't happen you can think of weight as being constant. Your Mass, (M) is equal to your Weight (W) divided by the acceleration due to gravity (A). M=W/A. There are many ways to calculate mass from your weight, and the method you use depends on what units you use. If you know your weight in pounds, divide that number by 32 (which represents 32 feet/second^2, the approximate accerelation you feel on earth) and you have your approximate mass in slugs, which is the American unit that goes with pounds. If you know your weight in newtons, divide it by 10 ( which represents 10 meters/second^2, the approximate acceration you feel on earth) to get your mass in kilograms. If you are like most Americans and know your weight in pounds but think of mass in kilograms not slugs, than multiply your mass in slugs by 14.6 to get your mass in kilograms.

A Red Giant Stars that are much bigger than the sun are the giants and of course the super giants, which are the stars with the biggest size. If you want a specific one, Betelgeuse or Antares would be good choices.

No, they are not. Fungi are their own kingdom.

(Wagner's reagent is used to test for alkaloids). To prepare Wagner's reagent; Dissolve 2g of iodine and 6g of KI in 100ml of water. -Atolani Olubunmi, Nigeria