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J E OPA R D Y TAKS Objective #3: Physical Science SNAPSHOT 3 REVIEW
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Physical Properties of Matter Changes Science HODGE PODGE 300 500 400 100 300 100 200 100 300 200 300 400 500 400 500 400 100 200 100 300 200 500 400 200 Mixtures and Solutions Energy
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Anything that takes up space is what? Bonus: How do you measure the amount of space something takes up?
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Matter 100
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An object’s _________ will differ depending on where it is in the universe. A) Mass B) Weight C) Density D) Volume
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Weight Fact: An object’s weight depends on the gravitational pull of the earth. An object weights 6 times more on earth than it does in space (due to gravity). 200
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Which tool would be used to measure the mass of a battery? A)B) C)D)
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a Balance 300
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Which liquid has a greater density? Liquid A Liquid B Liquid C
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400 Why? Because the matter is packed tighter together in Liquid C causing it to settle at the bottom
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A beaker would most likely be used to find the __________ of a liquid. Hint: What measurement of matter?
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Volume Fact: Volume determines the amount of space an object takes up. We could measure how much space the liquid takes up in milliliters. 500
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Identify each state of matter in relation to the number of molecules in each? A) C) B)
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100 A) C) B) Liquid Solid Gas
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What is the point at which a liquid changes to a solid
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Freezing Point Bonus: What is the point at which a solid changes to a liquid? 200
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Which of the following is an example of a chemical change? AB CD Salt Sugar
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A The fire is a chemical change because it produces something new – a gas 300
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An ice cube was put on a scale and weighed 3 ounces. One hour later the ice cube melted. How much will the melted ice weight?
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The ice should weight the same (or a little less due to evaporation) because the only thing that happened was a physical change. 400
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Boiling Points of Various Liquids If the temperature of vegetable oil reached 400 degrees what state of matter would it be in?
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Gas Why? Because once the substance reaches the boiling point it changes phases of matter (from a liquid to a gas) 500
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What is two or more substances that have not combined chemically called?
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Mixture Bonus: Give an example of a mixture? 100
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Because sugar dissolves in water what is Kool-Aid an example of?
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Solution 200
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Is salt or pepper more soluble in water based on the pictures below: Salt and WaterPepper and Water
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Salt because it mixes more thoroughly in the water. 300
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What steps could you do to separate a mixture of salt, water, and rocks?
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1. Evaporate the water out of the mixture (sun or heat) 2. Pick the rocks out of the mixture. 3. Leave the salt with all three substances separated. 400
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Which process would result in the forming of a solution? A) Evaporation B) Melting C) Freezing D) Dissolving
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D) Dissolving – because if a substance dissolves in another substance it creates a solution (such as sugar and water). 500
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What type of energy is stored energy that can be released later?
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Potential Energy 100
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What types of energy can electricity convert to?
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Heat, Sound, and Light Also motion 200
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If each light bulb is NOT hooked up to the energy source what type of circuit is it called: A)Series circuit B)Parallel circuit C)Magnetic circuit D)Copper circuit
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Series Circuit 300
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This prism is an example of light doing what? A) Reflecting B) Refracting C) Sliding D) Flipping
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B) Refracting because the light is bending as it passes through the object 400
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When the student bangs the drum what makes the sound?
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Vibrations 500
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Which is the correct order to show how energy flows through this community? C) B) A)
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100 C) The primary source of energy is the sun. The sun gives energy to the plants to make photosynthesis and herbivores eat the plants while carnivores eat the herbivores.
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This tool is used to measure what
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Temperature 200
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This is the statement that states what you “think” will happen. Educated Guess.
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Hypothesis 300
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A B Which plant would most likely live in a cool, dry climate? Why?
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A Because the thin dry leaves (needles) can survive the cold Bonus: What type of tree is this called? (300 points) 400
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Which of the following best helps an owl survive in a cold climate? A.Nocturnal Eyes B.Pointed Beak C.Camouflage D.Thick Fur
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Thick Fur (for cold climates) 500
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Credits Science Questions and Categories made by Reid Whitaker, jwhitak1@houstonisd.org copyright, 2003 jwhitak1@houstonisd.org Slide show created by Marie Sontag, mesontag@hotmail.com http://www.timetrek.org copyright, 2000mesontag@hotmail.com http://www.timetrek.org This presentation may be copied and altered for classroom use only. All other uses must seek permission from the above address. Music courtesy of http://www.geocities.com/MotorCity/Track/4533/MultiMedia.html http://www.geocities.com/MotorCity/Track/4533/MultiMedia.html
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