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What is the name of the person who works in the lab?
Scientist
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What is a chemical pH indicator called?
Phenolfthaleine
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What is it?
Microscope
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What is it?
Erlenmeyer flask
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What is denser a feather or a rock?
A rock because its molecules are closer together
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For the light bulb to light up, how should the circuit be, open or closed?
closed
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What is density?
Density is how much something weighs in relation to its size.
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Does water have a property that allows it to maintain its temperature for a long time? YES OR NO
Yes
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what is the name of a natural pH indicator?
Redcabbage or turmeric
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What is the retinal persistence?
It is a phenomenon of our eye where we can maintain the image for milliseconds after the image disappears.
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What is it?
Funnel
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The light bulb has small ... that when heated produce light
filaments
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what is the action-reaction principle? Example
It is one of Newton's law that means: Every action is followed by an equal and opposite.
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What is it?
Wash bottle
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What is the surface tension?
It is a property of water that causes its surface to behave like an elastic membrane. This occurs because water molecules are stick together
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What is it?
Test tubes
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What is the name of the gas created by fermentation?
CO2 (carbon dioxide)
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What is it?
Beaker
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What is the center of gravity?
The center of gravity is the point where the weight of an object is balanced.
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What is it?
Petri dish
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What are the positive and negative sides of batteries called?
Terminals
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what is fermentation?
Fermentation is a process by which microorganisms feed on sugar and produce a gas called CO2.
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What is pH?
pH is a measurement scale from 0 to 14 that indicates if a substance is acid,neutral or alkaline
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How does an elastic car work?
main word: elastic energy
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