Table of Contents
What happened to clay and dough when pressed?
Answer. A lump of dough on A lump of dough on a plate. Pressing it down with your hands . The Action of Force results in Change in Shape because when you press a lump of dough in downward direction with your hands then its shape will be changed but there will be no change in its state of motion.
What happened to clay when pressed?
Answer: Its size and shape changes. However, as this is purely a physical process, no new substances are formed and the modelling clay can be brought back into its original form.
What happened when pressed?
Answer: When solid materials are pressed, they undergo physical change. No new substance is formed but, it changes its form, texture size or shape The oil or juice that is being extracted is a chemical change, thus oil and juice is another substance which has a new chemical composition.
What happened to ripe banana when pressed?
“Bananas make other fruit ripen because they release a gas called ethene (formerly ethylene),” added Dr Bebber. “This gas causes ripening, or softening of fruit by the breakdown of cell walls, conversion of starches to sugars and the disappearance of acids.
What happened to egg shell when pressed?
When you hold the egg in your hand and squeeze, you are distributing pressure all over the egg like in the first science experiment. The curved shell can distribute this pressure rather than concentrating it all on one area.
What happened to wire when bent?
If a wire is bent to form loops, it acts as an inductor. Each loop of the inductor exhibits a capacitance effect with the next loop. That is, a bent wire will exhibit all three properties: inductance, resistance and capacitance. So, explicitly, the resistance of the wire doesn’t change when you bend it.
What changes took place when solid materials are bent?
Explanation: Solid materials can be bent. When materials are bent, new material is formed. When solid is pressed, it may change its size and shape.
What happened to solid materials when bent?
Answer Expert Verified Like a plastic ruler, when bent, it only changes its form,not its chemical composition, solid does not change its chemical composition when bent, hammered or pressed, therefore plastic ruler when bent, or when being applied an extent force, only undergoes physical change.
Why is it so easy to change the shape of clay?
In character it is like a sponge and has a porous structure in which air is filled. So, it can be compressed and molded in any shape or form.
How you can change the size and shape of clay?
Explanation: An external force may cause a change in the state of motion, size and shape of an object. The force may cause a change in the internal arrangement of molecules making up the object and depending upon the magnitude of the force, the size or shape of the object may change.
What changes the shape of Styrofoam?
Styrofoam is one of the easiest materials to shape by normal means e.g. slicing with sharp knives or a hot-wire cutter, sawing with serrated blades, rasping with files, and smoothing with sandpaper.
What happens if you leave an egg in vinegar for too long?
What happens? Be careful, the eggshell will be a lot weaker! If you leave the egg in the vinegar for about 36 hours, eventually all the calcium carbonate will be dissolved by the acetic acid, leaving just the soft membrane and yolk behind.
What happens if you put an egg in vinegar for 24 hours?
If you soak an egg in vinegar the eggshell will absorb the acid and break down, or dissolve. The calcium carbonate will become carbon dioxide gas, which will go into the air. Soak one egg in vinegar for 24 hours (1 day), one egg for 48 hours (2 days) and one egg for 72 hours (3 days).
What happens when you put an egg in Coke for 24 hours?
After the Coca Cola and egg was left for a year, the soda reacted with the egg shell made up of calcium carbonate reacted with the acid and the result was surprising. If this is the reaction of the egg shell and Coca-Cola, consider what it can do to your teeth and how it can erode and destroy the enamel of your teeth.
Why did the wire turn hot after bending 25 times?
When a wire is bent back and forth, the deformations in the wire are beyond the elastic limit. In this sitution the work done against the intertomic forces while bending back and forth a wire. Will no longer be stored totally in the form of potential energy.
Why does a wire bent back and forth get hot?
When a wire is bent back and forth, heat is generated due to the area of the elastic hysteresis and frictional force. Hence it becomes hot. 12.
What happened to the paper clip when bent?
Originally Answered: What will happen to paperclip when bent? If you’re lucky, it will bend. Assuming it is made of a flexible/ductile material like a steel wire or nylon (which it should be being a paperclip), the lateral forces exerted on one side of it will force that side to bend away.
What happens to solid materials when hammered bent or pressed?
Solid materials can be bent. When bent, these materials may change their size and shape. No new material is formed. Only the physical appearance of the materials is changed.
Is there a change in the appearance of the material what changes took place?
Physical changes only change the appearance of a substance, not its chemical composition. Chemical changes cause a substance to change into an entirely substance with a new chemical formula. Chemical changes are also known as chemical reactions.
What are the materials that can be bent?
Some metals are soft and easily bent, such as aluminum (Al). A metal that is easily bent is called malleable. Weight: Many common metals such as iron, copper, and zinc are very heavy (dense), although the smaller metals such as aluminum and lithium are fairly light.
