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Science Experiments
Experiments often conducted by students to test different scientific theories and hypotheses
11,111 Questions
What does report mean on the science project?
It means to tell the world about your discovery and share it with other people.
Paint is a great example of a very well-mixed substance, though when it sits, it separates into its different chemical parts based on the weight of each substance.
What is an example of a experiment?
A binomial experiment is a experiment that consists of repeated trails, with two possible outcomes. An example of this would be a coin toss.Ê
How do you separate insoluble substances from a liquid?
Gently force the liquid through a permeable membrane (such as filter paper)whose pores are smaller than the particle size of the insoluble solid you wish to remove from the solution.
Lustre is a qualitative property of substances, which refers to it's 'shinyness' and generally refers to solid metals. Oxygen, however, is almost always found in gaseous form, and if it were to be solid, it would not be lustrous.
What are biochemical reactions?
Biochemistry is the study of a chemical process in living things. Biochemists study microorganisms like proteins and carbohydrates. The process is how they do it, by aid of microscopes, hypothesis and experimentation.
True or false water is an example of a chemical element?
False. Water is a molecule made of 2 parts hydrogen one part oxygen. NOT AN ELEMENT.
Is a glass of milk an example of a colloid or a suspension?
Milk is a type of colloid called emulsion.
What is the name of the variable that is measured?
There are five variables in instrumentation. Flow, which is the flowing of fluids from one place to another. Pressure, which is the force exerted on an area. Level, the measurement between a minimum point and a maximum point. Temperature, the hotness or coldness of ?æa body. And Quality, which refers mostly to viscosity or conductivity.
What are facts about physical and chemical change?
Chemical changes take place on the molecular level
All cells perform various jobs or?
all cells preform various jobs or functions. theres not one cell that does nothing. if a cell does nothing than its most likely not a cell.
What is a solution is a kind of mixture that?
In a solution, the particles are dissolved into a substance and spread evenly throughout. The particle that dissolves in something is called a solute. The "something" that the solute is dissolved into is called the solvent. For example, in salt water, the salt is the solute while the water is the solvent.
How do you extract water from mud?
leave the mixture for a few days or just ask your chemistry teacher...
What forms when water mixes with carbon dioxide gas in the air or soil?
A weak acid called Carbonic Acid form.
Fun Fact: This is the same weak acid that is found in many soft drinks.
Will a heavy ball fall faster than a light ball?
The ball dropped from the higher height will have a greater force before it hits the ground. This is due to the air resistance that is acting against the ball, and there would be more resistance against the ball dropped at a higher height than a lower height.
How do you prove salt water rust iron faster than fresh water?
Easy. Find two things made from the same kind of iron. (Old-fashioned cut nails are available at hardware stores, and they're iron.) Mix up a batch of salt water, and pour it into a bowl. Pour the same amount of fresh water into an identical bowl. Then add the same number of nails to each bowl. Every day take a picture of the two bowls side-by-side.
What is importance of physical chemistry?
physics is the study of motion, demensions and the universe. chemistry is the study of atoms. to you it may seem to look like alot of maths but knowledge developed by science is allowed technology and general living applications to advance.
What is the process of bone formation called?
Ossification (or osteogenesis) is the generic term for bone formation. There are two basic types: membranous ossification and endochondral ossification.
What are two lines that meet at a right angle?
Two lines that meet at a right angle are called perpendicular.
Two lines that meet at a right angle are also called normal.
Two lines that meet at a right angle are also called orthogonal.
