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How do you conduct an experiment when investigating the effectiveness of different hand sanitizers?
See which one is less viscous (to get into the folds in your fingerprints) or has a higher concentration of the active ingredient.
One that takes the most oil away from your hand could also mean that it's cleaning more, though it leaves yous skin more vulnerable for a while, and may cause your glands to overcompensate and give you a rush of oiliness.
What else can I help you with?
How many germs do alcohol free hand sanitizers kill?
Alcohol-free hand sanitizers may not be as effective as alcohol-based ones at killing germs. They may have varying effectiveness against different types of germs, but generally, they are less effective at reducing the microbial load on hands compared to alcohol-based sanitizers.
Give us examples of science InVEstiGAtory project?
Sure! Some examples of science investigatory projects could include studying the effects of different fertilizers on plant growth, testing the effectiveness of natural remedies on reducing bacteria growth, or investigating the impact of different light sources on seed germination.
What chemistry experiment can be used in an hypothesis?
An experiment to test the hypothesis that increasing the concentration of a reactant will speed up a reaction can involve measuring the rate of a reaction at different concentrations. For example, investigating how the concentration of hydrogen peroxide affects the rate of its decomposition catalyzed by an enzyme can be a suitable chemistry experiment for testing such a hypothesis.
Does a mixture always have the same composition throughout an experiment?
No, a mixture can have varying compositions throughout an experiment depending on factors such as the components' solubility, temperature, and pressure. Mixing can lead to homogeneity or heterogeneity in the composition of the mixture.
Why could chromatography be used in investigating the crime?
Chromatography could be used in investigating a crime because it can separate and analyze complex mixtures of substances, such as drugs, poisons, or chemicals found at a crime scene. By identifying and comparing different compounds in samples, chromatography can provide valuable evidence to link suspects, victims, or locations to a crime.
How many germs do alcohol free hand sanitizers kill?
Alcohol-free hand sanitizers may not be as effective as alcohol-based ones at killing germs. They may have varying effectiveness against different types of germs, but generally, they are less effective at reducing the microbial load on hands compared to alcohol-based sanitizers.
Give us examples of science InVEstiGAtory project?
Sure! Some examples of science investigatory projects could include studying the effects of different fertilizers on plant growth, testing the effectiveness of natural remedies on reducing bacteria growth, or investigating the impact of different light sources on seed germination.
Does hand sanatizer have an experation date?
Yes, most hand sanitizers have an expiration date. However, those dates are just estimates, since all sanitizers are stored or used under different conditions and, therefore, lose their potency at different rates.
What are the different chemicals used in sanitizing?
Some common chemicals used in sanitizing include chlorine bleach, hydrogen peroxide, quaternary ammonium compounds (quats), and alcohol-based sanitizers. Each chemical has different properties and effectiveness in killing microbes.
What chemistry experiment can be used in an hypothesis?
An experiment to test the hypothesis that increasing the concentration of a reactant will speed up a reaction can involve measuring the rate of a reaction at different concentrations. For example, investigating how the concentration of hydrogen peroxide affects the rate of its decomposition catalyzed by an enzyme can be a suitable chemistry experiment for testing such a hypothesis.
Where do life science work?
they work by investigating different tipes of animals
Where can you find a bouncy egg hypothesis?
You can find a bouncy egg hypothesis in an experiment investigating how different substances can affect the shell of an egg to make it bouncy. This hypothesis predicts that certain substances, such as vinegar, will weaken the eggshell, allowing it to bounce when dropped from a height.
What are the possible answers for a lab experiment involving a cart on a ramp?
The possible answers for a lab experiment involving a cart on a ramp could include measuring the cart's acceleration, determining the effect of different ramp angles on the cart's speed, analyzing the relationship between the cart's mass and its motion on the ramp, and investigating the impact of friction on the cart's movement.
Different types of sanitizers?
Use warm water w clorox, clear that dust and let that sunchein get in.
What is an independent experiment?
In general, it is an experiment that is run by different experimenters, using different-but-similar equipment, in a different locale, and perhaps a different-but-similar testing protocol.
What is a good thing people should do for their science fair?
Let me recommend a consumer investigation. Devise an experiment which will allow you to compare the effectiveness of different products (which could be glue, soap, paint, fertilizer, or anything that may interest you).
If you were testing how well different dish soaps cleaned your dishesthe control group would be?
The control group in this experiment would be the dishes washed with water only, without adding any dish soap. This is used as a baseline to compare the cleaning effectiveness of the different dish soaps.
