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Thermal Expansion - Why are gaps left between railway tracks? | #aumsum #kids #science

468,504 views

Intro:

Special thanks to The Free Dictionary for providing us with the information used in this web page

Video Vocabulary

/ˈtendənsē/

tendency
noun

Likelihood to behave in a particular way.

/ˈwəndəriNG/

wondering
adjective verb

characterized by or expressive of desire to know something. To think or consider about something over time.

/ˈhapən/

happened
verb

take place.

/bēˈkəz/

because
conjunction

For a reason.

/səˈlo͞oSH(ə)n/

solution
noun

Mix of a liquid and a solid or a gas.

/ˈlikwid/

liquids
noun other

freely flowing substance of constant volume. Some things that are similar to the state of water.

/ˈTHərməl/

thermal
adjective noun

Of or relating to heat or a source of heat. upward current of warm air, used by gliders.

/THərˈmämədər/

thermometer
noun

instrument for measuring and indicating temperature hermetically sealed glass tube marked with graduations.

/ˈtemp(ə)rəCHər/

temperature
noun

degree or intensity of heat present in substance or object.

/ikˈspanSHən/

expansion
noun

Making or becoming larger.

/bəˈtwēn/

between
adverb preposition

in space separating things. Among two or more people who share something.

/ikˈspand/

expands
verb

To make something larger in size, number, amount.

consists
noun verb

set of railway vehicles forming train. To have as an essential, necessary or main part.

/ˈmərkyərē/

mercury
noun

Planet that is closest to the sun.

/ˈkänˌsept/

concept
noun

abstract idea.

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