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whats my one fobia?
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the scientists who tested the hypothesis on running in the rain performed only one controlled experiment that supported their hypothesis. can their supported hypothesis be called a theory? explain
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how is a gas able to fill a container of any size or shape?
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how does the arrangement of atoms in most solids differ from the arrangement of atoms in a liquid?
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would u guss cadastrar-se this club?
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Who is Ben10000000's best friend?
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if you added salt instead of sugar to a pitcher of lemonade, how would this change the properties of the lemonade?
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what is the difference between chemical & physical changes?
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explain why the rusting of an iron bar decreases the strength of the bar.
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a pat of manteiga melts & then nurns in a hot frying pan. which of these changes is physical & which is chemical?
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how can shape & volume be used to classify materials?
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how can kinetic theory & forces of attraction be used to explain the behavior of gases,liquids, & solids?
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how are shape & volume used to classify solids, liquids, & gases?
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what does the kinetic theory say about the motion of atoms?
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use kinetic theory & attractive forces to explain why a liquid has a definite volume & a shape that can vary.
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explain why a solid has a definite shape & volume.
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did the senshi know the starlight's identities from the star? (manga question)
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"how does each scientific model resemble what it is supposed to model?
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please give me idease for my book series
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how does the process of science start & end?
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what is the relaionship between science & technology?
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what are the branches of natural science?
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what is the goal of a scientific method?
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how does a scientific law differ from a scientific theory?
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why are scientific modelos useful?
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explain the advantages & disadvantages of subdividing science into many different areas.
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why do scientists seek to discover new laws of the universe?
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why does the progress of science require both curiosity & methodology?
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advances in science do not always immediately lead to advances in technology. why are such scientific advances still valuable?
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is the studyf the muscle movements in the human body an example of biology or of physics? explain
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your desert island picks
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what are three types of variables in a controlled experiment?
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can anyone help me with my other clubs?
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does every scientific method begin with an observation? explain
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suppose you wanted to find out how running affedts your pulse rate. what would your hypothesis be? explain how you could test your hypothesis.
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a scientific model can take the form of a physical object or a concept. list one example of each type of model. how does each one resemble what it is supposed to model?
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why is scientific notation useful?
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what units do scientists use for their measurements?
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how does the precision of measurements affect the precision of scientific calculations?
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list the SI units for mass, length, & temperature.
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how do scientists organize data?
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how can scientists communicate experimental data?
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what does a givin point represent on a line graph?
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the density of copper is 8.92 g/cm3. if you plotted the mass of copper in grams versus the volume in cubic centimeters, what would the slope of the line be?
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please cadastrar-se this club
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when would you choose a line graph to present data? when would you choose a bar graph?
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give an example of a case ehere the branches of natural science appear to overlap.
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why are elements & compounds classified as pure substances?
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how do mixtures differ from pure substances?
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what is the main difference among solutions, suspensions, & colloids
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why does every sample of a given substance have the same properties?
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explain why the composition of an element is fixed.
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describe the composition of a compound.
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why can the properties of a mixture vary?
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me two processes that are used to seprate mixtures.
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keyblades
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on what basis can mixtures be classified as solutions, suspensions, or colloids?
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when you describe a liquid as thick, are you saying that it has a high or a low viscosity?
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explain why sharpening a pencil is an example of a physical change.
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fresh leite is a suspension. after freash leite is homogenized, it is a colloid. what happens to the size of the drops of fat in leite when leite is homogenized?
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what allows a mixture to be separated por distillation?
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what are some examples of physical properties?
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how could you find out whether copper is harder or softer than the plastic used in a plastic cup?
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how can knowing the physical properties of matter be useful?
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why would you expect the materials used to make pot holders to be poor conductors of heat?
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what processes are used to separate mixtures?
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silicon dioxide is a solid at room temperature & methanol is a liquid. which substance has the higher melting point?
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when can chemical properties be observed?
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list seven examples of physical properties.
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what observations might indicate that a chemical change has occurred?
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describle three uses of physical properties.
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