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9 questions
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- Q1Which of the following is a reason models have limitations?because a model includes every factor that affects itbecause all models are two-dimensionalbecause a model is smaller than the thing it representsbecause a model is never exactly the same as the thing it represents45s
- Q2How many electrons are found in this atom?482645s
- Q3Scientists represent data in several ways, including the method shown above. How would you describe the above method of representing data?a mapa data tablea grapha model45s
- Q4What is the smallest unit of an element that can still be classified as an element called?a mixturea compounda moleculean atom45s
- Q5Particles in a substance are constantly in motion. The more energy the particles contain, the faster they move about. In which state of matter do the particles have the most energy?gasliquidplasmasolid45s
- Q6Which beaker has particles representing a liquid?132none45s
- Q7A change of state may happen when energy as heat is transferred to or from a substance. Which change of state could occur as energy is added to a substance?liquid ➜ solidgas ➜ solidliquid ➜ gasgas ➜ liquid45s
- Q8A scientific _______________ is a statement that describes what scientists expect to happen every time under a particular set of conditions.lawtheoryhypothesismethod45s
- Q9Angelique wanted to find out what shampoo made her hair the shiniest. Everyday she washed her hair with different shampoos and then rated how shiny her hair was, on a scale from 1-10. She used Garnier Fructis, Suave, Herbal Essence, and just water. What is the independent variable?what she washes her hair withhow clean her hair washow shiny her hair wasHow much shampoo she used45s