P.S. Sem. 1 Final Review
Quiz by Kate Downey
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111 questions
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- Q1Nick wanted to see how high an ice cube would float in different temperatures of water. Identify the independent variable.size of ice cubeamount of waterheight of ice cubetemperature of water30s
- Q2Mario studied how far room temperature water would spurt out of a plastic milk carton when 3mm holes were punched at different heights from the bottom of the container. Identify a constant.distance water traveled out of cartonice water from Icelanddifferent heights of holes in container3 mm holes30s
- Q3Tiffany was investing how fast it took Hayden to react to different sounds. Identify the dependent variable.how fast Hayden reactedHaydenhow much time it took Hayden to reactdifferent sounds30s
- Q4“If the forest is clear-cut (cutting down all the trees in an area of forest), then it will result in drier soils because there will not be any trees to protect the soil from sunlight” is an example of:an experimental questiona theorya conclusiona hypothesis30s
- Q5The______________ variable is the variable you are observing and that changes in response to the ______________variable.dependent, independentindependent , dependentdependent, controlindependent , control30s
- Q6Using the graph, estimate ice cream sales when the temperature was 25 degrees C:approximately $30impossible to determineapproximately $60approximately $4030s
- Q7Chemical properties is what allows matter to change into something new during a chemical changeFalseTrue30s
- Q8The nucleus has a neutral charge because the neutrons have no charge while protons have a positive charge.FalseTrue30s
- Q9The part of the atom that has a positive charge is theprotonmoleculeelectronneutron30s
- Q10Negatively charged particles that move around the atom's nucleus are theelementselectronsneutronsprotons30s
- Q11Atoms that have the same number of protons but different numbers of neutrons are calledelectronsionsisotopesprotons30s
- Q12Atoms with an electrical charge due to giving up or taking on more electrons are calledisotopesionssolutionsallotropes30s
- Q13The atomic number is the same thing as the number of ______________.neutronselectronspositronsprotons30s
- Q14How many protons, neutrons and electrons are there in the atom in the image?29 protons, 29 electrons, 34 neutrons29 protons, 27 electrons, 34 neutrons34 protons, 29 electrons, 29 neutrons29 protons, 34 electrons, 29 neutrons30s
- Q15Which of the following statements is correct?Protons are positively charged and electrons are negatively charged.Protons are positively charged and neutrons are negatively charged.Protons are negatively charged and electrons are positively charged.Neutrons are positively charged and electrons are negatively charged.30s
