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What do substances do when heated because of the molecules?
they expand
Do enzymes change shape to move substances across the plasma membrane?
Enzymes and the substrates they work on fit like a lock and key, if you change the shape of the key, the lock won't open. An enzyme whose shape changes is no longer able to activate the reaction of the substrate.
Does talc change color if heated?
Talc don't change the color if heated.
Do all substances behave like water when they change from the solid state to the liquid state?
No, many do not. The only change they have in common is that they can now flow instead of maintaining a constant shape.
When a substance changes to form a new substance with new properties it undergoes a what change.?
New substances are formed when matter undergoes a chemical reaction.
Are all substances the same before and after burning?
No, some substances change their whole form and others just change their color and shape.
How does the density of most substances change when they are heated?
generally, the density of a substance decreaces when heated, with the exception of ice, which is less dense than water.
What are phosphorescent pigments?
it is a solidifid piese of meatle that can change its shape when re heated
What expands when its heated?
Most substances expand when heated.
What expands when it is heated?
Most substances expand when heated.
Why do metallic substances change shape when struck?
Malleability is a property of all metals.
What do Metals and other substances do when heated?
materials usually expand when heated.
When most substances are heated they....?
They expand
What evidences a physical change?
"A physical change occurs when some of the properties of a material change, but the substances in the material remain the same." "...any actions that change the size and shape of a material, but not its composition." if the shape/form is changed but not its makeup, then that change is physical
Do particles get smaller or bigger when heated?
When particles are heated or cooled, they do not change size at all. They simply move with greater kinetic energy so the space between particles increases. This prompts the changes in size we see when substances are heated or cooled.
Is making nugget a physical or chemical change?
As long as you are not adding or subtracting substances, the shape you put the metal in is purely a physical change.
Why are substances expanded when they are heated?
because the particles
