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Thermal expansion and contraction, specifically the different coefficients of thermal expansion (CTE) between glass and metal....AND ITS LIKE A (CLOSED SYSTEM)
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∙ 11y ago
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How should Harriet test the jar lid to determine if it is successful for its intended audience?
Harriet should ask several senior citizens to evaluate whether her jar lid design is easier to use than a traditional jar lid.
A jar lid and a corkscrew are what?
Examples of an inclined plane.
What do you do when you can't open a jar?
run lid over hot water and open with a cloth over lid.
Why do you use hot water to remove a tight metal cap easily?
Often, lids are made of metals which are great conductors of electromagnetic waves (including heat). When warm water is applied to a "difficult" lid, excitement of the atoms in the metal occurs (very slight) which causes a slight expansion. This expansion helps the lid to be moved from it's grip on the jar or bottle. This is also found in plastics. Although not through expansions. The heat from the warm water literally softens the plastic.
What would happen if a jar loose fitting lid were placed in a freezer?
What's in the jar? If you mean water, the ice *should* extrude out of the jar a little way without bursting it.
Is jar lid a screw?
Yes, a jar lid can have a screw-on design to secure it tightly onto the jar. This type of lid is commonly used for sealing jars to keep the contents fresh and prevent leakage.
Use the word pry in a sentence?
I used all the force I could to pry open the tightly closed lid on the pickle jar.
How do you airtight jars?
To airtight jars, make sure the jar and lid are clean and dry before sealing. Fill the jar with contents, leaving some headspace at the top. Secure the lid tightly and store the jar in a cool, dry place.
How could hot water help you unscrew a jar's lid that is on tightly?
When something is heated, it expands, so, when you pour hot water onto a lid, it will expand slightly, making it easier to come off.
A jar lid is an example of what simple machine?
some are screws (wedge), but others aren't.
How do you make a snow globe when my jar has no lid?
You need a jar with a lid or it won't work.
A jar lid is an example of what type of simple machine?
A screw, which is basically a wrapped incline.
What is an example a screw?
Some examples of a screw are: - A light bulb - A lid on a jar - A bolt - A corkscrew
If a jar has its lid on with water and salt in the jar does it evaporate?
no
How does a cookie jar use a simple machine?
The lid of the jar is a screw unless the lid pops on & off...
What open lid mean?
A lid that has been removed from a jar.
What is a Names for the edge of a jar?
A Lid. Because a jar does not have edges.
