answersLogoWhite

0

🧪

Science Experiments

Experiments often conducted by students to test different scientific theories and hypotheses

11,111 Questions

What element has a symbol that does not contain any letters found in the name of the element?

Some of them are K - Potassium Sb - Antimony Au - Gold Ag - Silver Pb - Lead Sn - Tin W - Tungsten

Can spontaneous combustion of mineral spirits soaked rags occur?

It can. I heard a terrible story: a group of Boy Scouts decided to do a service project and refinished all the woodwork in the church that sponsored their troop. They used mineral spirits-soaked cloths, and left a pile of them in the church. Spontaneous combustion happened and destroyed the church.

Does Water move into or out of a membrane bound hypotonic vesicle?

Water moves into a membrane-bound hypotonic vesicle through the process of osmosis. In a hypotonic solution, the concentration of solutes outside the vesicle is lower than inside, causing water to flow into the vesicle to balance the concentration gradient.

What is everything made of and is the smallest of units of an element?

Everything is made of atoms, which are the smallest units of an element. Atoms are composed of even smaller particles called protons, neutrons, and electrons.

What happens when you put a mento into a coke?

If you put the correct sort of mint in a coke, it should fizz up quite bad, and if you put the lid on and throw it, it might expode and fly through the air. FUNNY stuff, but you should always be cautious because if you put the lid on and throw it, the bottle sometimes will come rocketing back at you in the air at speeds of about 50MPH. there's a few videos on youtube.

What is the products of a chemical reaction?

The products of a chemical reaction are the substances that are formed as a result of the reaction taking place. These products can be different compounds or elements from the reactants that were present before the reaction occurred.

What is the definition of relationship in a science experiment?

In a science experiment, a relationship refers to the connection between two or more variables that indicates how changes in one variable may affect another variable. This relationship is often described by patterns, trends, or correlations observed in the data collected during the experiment.

What is ammonium hypochlorite?

AMMONIUM CHLORIDE is an acid-forming salt that can help correct situations in which the blood contains too little chloride or is too alkaline (basic). This can occur following vomiting, suctioning (removal) of stomach contents, use of diuretics (water or fluid pills), or with certain stomach disorders. Ammonium chloride also causes mild diuresis (removal of excess salts and water through increased urination) and makes the urine more acidic. Generic ammonium chloride injections are available.

What is the purpose of using a funnel in this experiment?

The purpose of using a funnel in an experiment is to safely and accurately transfer liquids from one container to another without spilling. Funnels help in directing the flow of liquids and prevent contamination during the transfer process.

What is the independent variable in the tootsie pop experiment?

The independent variable in the Tootsie Pop experiment is the type of candy coating on the lollipop - whether it is smooth or bumpy.

What is true of a controlled experiment?

In a controlled experiment, variables are carefully manipulated and controlled by the experimenter to isolate the effects of a specific factor on the outcome. This allows for a more accurate and reliable assessment of cause and effect relationships. Control groups are used for comparison to ensure that any observed changes are a result of the manipulated variable and not due to external influences.

What happen when you put lead into acid?

Under normal circumstances, the protective layer of led tends to protect it against water damage. However, if led comes in contact with large amounts of water, such as the led used in some water pipes, it can lead to negative effects such as mold as some corrosion and bits of which can dissolve into drinking water, possibly causing lead poisoning.

Why water freezes before salt water?

Water freezes before salt water because adding salt lowers the freezing point of water. This means that salt water needs to reach a lower temperature in order to freeze compared to pure water. As a result, pure water will freeze at a higher temperature than salt water.

A solution with a pH of 14 is a strong?

alkaline/base solution, often considered corrosive. Such high pH levels indicate a high concentration of hydroxide ions in the solution, making it strongly basic. It should be handled with care due to its potential caustic properties.

Why are alkali metals found in many common substances but rarely found in pure form?

Alkali metals are very reactive and readily form compounds with other elements, which are more stable than the pure metals. Therefore, they are commonly found in nature combined with other elements rather than in pure form. Additionally, their high reactivity makes them difficult to isolate and store in a pure state.

What effects will absorbed microwaves have on a gel ball?

Absorbed microwaves can heat up a gel ball, causing it to expand or potentially burst due to the internal pressure. The heating may also alter the physical properties of the gel ball, such as its texture or pliability. It is important to avoid exposing gel balls to microwaves to prevent damage and ensure safety.

What is the term for the factor being measured in an experiment?

The term for the factor being measured in an experiment is the "dependent variable." This is the variable that may change in response to manipulations of the independent variable, which is the variable that is being controlled or manipulated by the researcher.

What happens to a glass filled half way with water and then ice cubes are added?

As the ice cubes are added to the glass, they displace the water that was already in the glass. The level of water in the glass will rise slightly due to the displacement caused by the ice cubes, but the total volume of water and ice combined will remain the same as before the ice cubes were added.

Why is it important for an IV solution to have salts in it and what would happen if you were given pure water in an IV?

IV solutions containing salts help maintain the body's electrolyte balance and prevent dehydration. If pure water were given in an IV, it could cause a dangerous imbalance of electrolytes in the bloodstream leading to electrolyte disturbances and potentially impacting vital organ function.

What is the common element of a well designed experiment?

The common element of a well-designed experiment is a clear research question or hypothesis, a control group for comparison, random assignment of participants to groups, and proper data collection and analysis techniques.

What are the important assumptions made in helical spring experiment?

Some important assumptions made in the helical spring experiment include: linear elasticity, uniform material properties throughout the spring, neglecting the effects of stress concentration at the ends of the spring, neglecting friction between the coils, and assuming that the load is applied along the axis of the spring.

What is the controlled variable of sugar water?

In an experiment involving sugar water, the controlled variable would be the amount of sugar used in the solution. By keeping the amount of sugar constant while altering other factors, researchers can isolate the effect of sugar concentration on the outcome of the experiment.

Why goo yuck a solid and a liquid?

Goo can result from mixing a solid with a liquid when the two substances combine to create a sticky, viscous material. This can happen when a solid material is partially dissolved or dispersed in a liquid, altering its texture and consistency. Depending on the properties of the solid and liquid involved, the resulting goo may have various viscosities and stickiness levels.