Electricity
If you flip a paper 3 times will you get shock?
The answer is no why?
While paper can build up a static charge, it generally requires significant, fast, or repetitive friction (such as in high-speed printing folding machines to create enough charge for a noticeable, painful shock.
If I rip a piece of paper is that physical change?
Yes, ripping a piece of paper is physical change
This occurs when a liquid turns into a solid, like water becoming ice.
What is freezing.
Dissolving sugar into a cup of hot tea.
What is chemical change.
20x3+10-2
68
If I rub my foot across carpet could I shock someone?
Yes because when rubbing you socks across a carpet you are creating static electricity.
Liquid water becoming steam is a physical change, but this specific type of phase change is called.
What is Evaporation or Boiling?
Dry ice exhibits this rare change where a solid turns directly into a gas.
What is sublimation?
Mixing baking soda and vinegar to produce bubbles.
What is chemical change.
60x4
240
If I slide down a hot slide the summer am I creating static electricity?
Yes, you are generating static electricity.
When you mix sand and iron filings, this property allows you to separate them physically.
What is Magnetism?
Length x width x height is used for determining______
what is multiplying the longest side (length) by the shorter side width.
Crushing an aluminum can.
What is physical change.
30x40
1200
Static electricity means that the current is flowing?
No, static electricity does not mean current is flowing
This occurs to the molecules of a substance when it is cooled, causing it to take up less space.
What is Contraction?
Burning wood to create ash and smoke.
What is a chemical change?
Unlike physical changes, a chemical change results in the formation of at least one of these.
What is a substance.
50x100
5000
Electricity can only flow in a closed circuit?
Yes, electricity must flow in a closed circuit.
This term describes a characteristic of a substance that can be observed without changing what the substance is.
What is a physical property?
Using a magnet to separate iron filings from a pile of sand.
Whats is physical change.
This biological process in your body breaks down food into different nutrients and is a primary example of a chemical change.
What is digestion.
12x100
1200