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20 questions
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- Q1Which of the following is an example of matter? Hint: Matter has both mass and takes up space.LightAirHeatSound30s4.PS3.2
- Q2What state of matter has a definite shape and a definite volume? Hint: Think about which state stays in the same shape in any container.LiquidSolidPlasmaGas30s
- Q3Which state of matter takes the shape of its container but has a definite volume? Hint: This state has a set volume but adapts its shape to the container.PlasmaLiquidGasSolid30s
- Q4In which state of matter are the particles far apart and moving freely? Hint: This state spreads out as much as it can.GasPlasmaLiquidSolid30s
- Q5What process describes a solid changing directly into a gas? Hint: Think of dry ice turning into fog without melting.CondensationFreezingMeltingSublimation30s
- Q6Which of the following is a physical change? Hint: Physical changes don’t make a new substance.Melting iceRusting ironBurning woodBaking a cake30s
- Q7Which property of matter measures the amount of space an object occupies? Hint: This is about the "size" of an object or how much room it takes up.WeightMassVolumeDensity30s
- Q8What tool is commonly used to measure the mass of an object? Hint: This tool helps compare the amount of matter between two objects.ThermometerRulerBalance scaleGraduated cylinder30s
- Q9If you have a rock with a mass of 200 grams and a volume of 50 cubic centimeters, what is its density? Hint: Use the formula for density: mass divided by volume.4 g/cm³6 g/cm³2 g/cm³8 g/cm³30s
- Q10Which of the following is an example of a chemical change? Hint: Chemical changes create new substances with different properties.Melting chocolateTearing paperDissolving sugar in waterBurning a candle30s
- Q11What happens to the particles of a substance as it changes from a liquid to a solid? Hint: Think about what particles do when they slow down and come closer together.They stay the same.They move faster and spread apart.They move slower and come closer together.They disappear.30s
- Q12Which state of matter has a definite volume but no definite shape? Hint: This state adapts to the shape of its container but keeps the same amount.SolidLiquidGasPlasma30s
- Q13Which of the following is NOT a property of gases? Hint: Consider how gases behave and how they fill up space.They fill their container.They have a definite shape.-They can be compressed.30s
- Q14Which of the following is an example of a mixture? Hint: Mixtures are combinations where the components are not chemically combined.SaltCarbon dioxideAirWater30s
- Q15What is the process called when a gas changes directly into a solid? Hint: This process is the opposite of sublimation.DepositionMeltingFreezingSublimation30s
