Leaven Ttt is a compilation of 16 questions on different topics of science to jog your mind. What are the things that are explained by science in your normal life? Find out this and more below. All the best.
A substance melting
A substance evaporating
Bubbles forming when two substances are mixed
Temperature remaining the same when two substances are mixed
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0.7 g
9.3 g
10.0 g
19.3 g
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Catalytic
Exothermic
Endothermic
Extendheat
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Yarn being knitted into a sweater
The engine from a tractor being started
The metal on a bicycle forming rust
Grass capturing the energy from sunlight
Water was vaporized.
A chemical change took place.
The lithium was dissolved by the water.
Dissolved gases were released.
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A piece of metal is cut in half.
An ice cube melts on a counter.
A camper roasts marshmallows over a burning fire.
A baker mixes together flour and sugar to make dough.
It has a mass greater than the two liquids
It is formed as a result of a chemical reaction.
It has a higher temperature than the two solutions.
It is formed through a change in physical state of one of the solutions.
Density
Polarity
Solubility
Malleability
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Cell division.
Nuclear reactions.
Natural selection.
Chemical changes.
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Increase of volume in the beaker
Decrease of volume in the beaker
Increase in temperature of the beaker
Increase in height of the beaker
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Energy is absorbed.
Energy is released.
Energy stays the same.
It changes 5 colors
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A physical changes because the can is heated and reshaped
A chemical changes because new metal is formed
A physical change because the no changes are made
A chemical change because an old can is changed into a new can
To prevent any gas formed as a product from escaping during the reaction
To prevent any liquid used as a reactant from escaping during the reaction
To prevent any powder used as a reactant from escaping during the reaction
To prevent any liquid formed as a product from escaping during the reaction
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Rust results from a physical mixing of iron with water.
Rust forms from a chemical breakdown of old metal.
Rust results from a chemical reaction between iron and water.
Rust forms from a physical change when wind blows against metal.
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Test the malleability of the block
Determine the mass of the block
Calculate the density of the block
Observe the reaction between the block and a nonmetal
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35 grams
165 grams
200 grams
235 grams
Acid
Solute
Reactant
Precipitate
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The equipment was heated before the experiment.
The shape of the substance changed.
The volume of the substance changed.
The substance changed into a new substance.
A physical change created a new yellow solution.
A chemical change created a new yellow solution.
A physical change created a new yellow precipitate.
A chemical change created a new yellow precipitate.
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