Need science : question 1: which subatomic particle has a negative charge? all of them neutron electron proton question 2: if an atom has 2 protons, 3 neutrons, and 3 electrons, what is the electrical charge of the atom? positive negative neutral varies question 3: a neutral atom that gains electrons will have what kind of charge? positive negative neutral varies question 4: which of the following describes the principle of the conservation of charge? a charge is created a charge cannot be transferred charge cannot be created or destroyed, just transferred charge can be destroyed question 5: what law states that when there is an interaction between charged objects there is a non-contact force which acts over some distance of seperation? faraday's law ohm's law coulomb's law interaction law question 6: which of the following describes an insulator? does not allow electrons to move through it allows electrons to move through it is always a solid is always a gas question 7: what are most conductors made of? wood paper plastic metal question 8: which of the following describes why lightening rods are put on top of houses? insulate the house conduct the lightening away from the house reduce amount of static discharge reduce the loudness of thunder question 9: your computer is powered by which of the following? electrical current moving protons overflow of electrons static electricity question 10: wire is used to attach a battery to a penny and is then used to light a small light bulb. the light bulb is lit due to which of the following? static electricity electric current electron overflow moving protons

The mini-refrigerator fire was most likely caused by what type of wiring?

If a stone with an original velocity of 0 is falling from a ledgeand takes 8 seconds to hoybthe ground whays the final velocity of the stone

Need asap which of these is an example of a hypothesis? (2 points) a. adults were not interviewed b. the investigation was time consuming c. the source of information was biased d. very few teenagers were interviewed scientists in different parts of the world have conducted experiments to find the speed of light in vacuum. if the results of the experiments are identical, they would most likely be (2 points) a.valid b. biased c. unreliable d. non-observable which of these questions can be answered using science? (2 points) a. what is the best career? b. does water exist on venus? c. should the use of automobiles be stopped? d. which is the most interesting subject to study? the models can be best used to (2 points) recreate something which is easily observed in nature prove that all atomic theories have the same meaning demonstrate the transformation of atomic theory into law represent the locations of subatomic particles in different atomic theories 22. (bws.06) scientists earlier believed that the lowest measurable temperature is the freezing point of ice. however, modern scientists believe that temperatures below the freezing point of ice can also exist. what best accounts for these different opinions? (2 points) scientists propose contradictory ideas to include all possibilities scientists come up with different hypotheses without enough evidence scientists propose different ideas to avoid repetition of scientific knowledge scientists having different interests may interpret the same data in different ways based on the graph, what is the most likely mass of an apple chosen randomly from the basket? (2 points) between 0.10 kg and 0.12 kg between 0.12 kg and 0.14 kg between 0.14 kg and 0.16 kg between 0.16 kg and 0.18 kg a scientist studies a model of a widely accepted theory about the position of planets and sun. the model would most likely the scientist to (2 points) prove that the theory would not change in the future demonstrate how the theory can be changed into a law understand facts which cannot be easily observed prove that all other facts about the universe are incorrect one scientist discovered a new theory on the evolution of the universe. what is the next step for the scientist to take? (2 points) transform the results of the theory into universal laws of nature inform the scientific community so they can verify the results call a press conference to make the discovery popular among people encourage scientists worldwide to find an appropriate application for the results the students' observations are listed below. when an iron nail is taken near the north pole (n) of the bar magnet, it is pulled towards the magnet. when an iron nail is taken near the south pole (s) of the bar magnet, it is pulled towards the magnet. the experiment was repeated by several students using different bar magnets. based on the investigations, which of these theories would the students most likely propose? (2 points) magnets attract iron nails the poles of a magnet attract all materials iron nails are attracted towards all materials iron nails have the same properties as magnets