100points plzz me a glass rod with a silk cloth is an example of charging by

question 1 options:

conduction

induction

friction

question 2 (1 point)

rubbing a glass rod with a silk cloth will cause the rod to become more because it is losing electrons and the cloth to become more charged because it is gaining electrons.

question 2 options:

negatively; positively

positively ; neutral

positively ; negatively

neutral ; negatively

question 3 (1 point)

all matter is made up of both positive and negative charges, but we can only transfer the charges.

question 3 options:

positive

hyperactive

negative

neutral

question 4 (1 point)

charging by a method used to charge an object without actually touching the object to any other charged object.

question 4 options:

conditioning

conduction

friction

induction

question 5 (1 point)

when a charged object is brought near (without touching) a neutral object, this induces the electrons within the neutral object to move. this is an example of a temporary charge by

question 5 options:

condition

conduction

induction

friction

question 6 (1 point)

grounding allows charged objects to become neutral by electrons either flowing from the earth to the object or electrons flowing from the object to the earth through a conductor.

question 6 options:

true

false

question 7 (1 point)

when an uncharged student (standing on an insulating mat) touches a negatively charged van de graaff generator, this is an example of charging by

question 7 options:

conduction

friction

induction

condition

question 8 (1 point)

a positively charged object will be repelled by a negatively charged object because the charges are different.

question 8 options:

true

false

question 9 (1 point)

which of the following is an example of static electricity?

question 9 options:

current flowing through an outlet in your home

electrons moving from the battery through the wires to a light and back to the battery.

a build up of charges on a sock from a dryer

question 10 (1 point)

according to the image below, the like charges within the metal leaves at the bottom in the glass of an electroscope will be by each other and therefore will

question 10 options:

attracted , spread further apart

repelled , spread further apart

attracted , move closer together

repelled , move closer together

1. Rubbing a glass rod with a silk cloth is an example of charging by  

     friction

2. Rubbing a glass rod with a silk cloth will cause the rod to become more charged because it is losing electrons and the cloth to become more charged because it is gaining electrons.  

      positively ; negatively

3.  All matter is made up of both positive and negative charges, but we can only transfer the ___ charges.

          negative

4. Charging by is a method used to charge an object without actually touching the object to any other charged object.  

        induction

5. When a charged object is brought near (without touching) a neutral object, this induces the electrons within the neutral object to move. This is an example of a temporary charge by .

      induction  

6.  Grounding allows charged objects to become neutral by electrons either flowing from the earth to the object or electrons flowing from the object to the earth through a conductor.

        True

7.  When an uncharged student (standing on an insulating mat) touches a negatively charged Van de Graaff generator, this is an example of charging by .

      conduction

8.   A positively charged object will be repelled by a negatively charged object because the charges are different.

        False

9.  Which of the following is an example of static electricity?

     A build up of charges on a sock from a dryer

10.  According to the image below, the like charges within the metal leaves at the bottom in the glass of an electroscope will be by each other and therefore will .

      repelled , spread further apart

bacteria that live on the ocean floor are sustained by phytoplankton. phytoplankton, microscopic marine photosynthetic organisms, have a vastly significant role to play not only in the marine food web of which they’re part of, but also on a more global scale. despite their infinitely small size in comparison to other marine organisms, these tiny creatures occupy an immensely important ecological niche: they are the foundation of the marine food web, and as primary producers, play key roles in supporting all other organisms in the marine environment, as well as in the regulation of the earth’s climate through the sequestration of carbon, oxygen production, and other related processes. phytoplankton account for roughly half of all global primary productivity; therefore, their significance extends far beyond the marine environment alone. there is an intriguing sense of irony in the realization that these tiny living beings that often live out their existence unnoticed and undetected by the rest of the world, have such a far-reaching impact on the lives of virtually all other living organisms on the planet, particularly on those in the marine environment. the world that we have become accustomed to has been and is continuously shaped by the workings of these miniscule yet vital “plants of the sea”.

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