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States of Matter Force And Motion Forms of Energy Natural Resources Mixtures and Solutions Physical Properties of Matter $100 $100 $100 $100 $100 $100 $200 $200 $200 $200 $200 $200 $300 $300 $300 $300 $300 $300 $400 $400 $400 $400 $400 $400 $500 $500 $500 $500 $500 $500

Category 1 - $100 Students are making Jell-O in class Category 1 - $100 Students are making Jell-O in class. What will happen to the liquid when it is cooled? A. the liquid will evaporate. B. The physical state will change from liquid to solid. C. The physical state will remain a liquid. D. The physical state will change from a liquid to a gas. C1-$100

Category 1 - $200 The temperature of water in a beaker measures 87°C Category 1 - $200 The temperature of water in a beaker measures 87°C. How many more degrees must the temperature increase to reach the boiling point? A. 23° B. 13°C C. 212°C D. 100°C C1-$200

Category 1 - $300 Water changes its state of matter when heat is added or taken away. When water reaches its boiling point the particles – A. are closer together B. stay the same C. are moving more rapidly D. are moving more slowly C1-$300

Category 1 - $400 A student places a cup of water in the freezer and leaves it there overnight. The next morning the student observes that the water in the cup has changed to ice. Which of the following statements best concludes why the water changes to ice? A. The water gains energy. B. The water reaches its boiling point. C. The volume of the water decreases. D. Heat is taken away from the water. C1-$400

Category 1 - $500 Students make ice cream to investigate matter and its properties. The students add salt to the ice cream maker so that the mixture will change from a liquid to a solid. Which conclusion provides the most important reason salt is used to make the ice cream solidify? A. Salt dissolves in water. B. Salt adds flavor to the ice cream. C. Salt evaporates in water. D. Salt lowers the freezing point of water. C1-$500

Category 2 - $100 What force is being tested when an object is forced downward toward the center of Earth? A. Gravity B. Air pressure C. Magnetism D. Friction C2-$100

Category 2 - $200 Rubbing two sticks together to make fire is an example of -- A. gravitational force B. frictional force C. pulling force D. magnetic force C2-$200

Category 2 - $300 A group of students observes pushing and pulling of objects. Which of the following would NOT be an example of work being done by changing the position and motion of an object? A. Opening the front door using the door handle B. Playing a game of baseball C. Trying unsuccessfully to move a large boulder across the playground D. Moving a shopping cart down the aisle at the grocery store C2-$300

Category 2 - $400 A kickball is rolled toward home plate and kicked by a player. Which statement best describes the movement of the ball? A. The ball is pushed by both the pitcher and the kicker. B. The ball is pushed by the pitcher and pulled by the kicker. C. The ball is pulled by the pitcher and pushed by the kicker. D. The ball is pulled by both the pitcher and the kicker. C2-$400

Category 2 - $500 In order for work to be done – A Category 2 - $500 In order for work to be done – A. an object must move B. an object can stay in the same location C. two forces must be aplied to an object D. Objects must remain in stationary positions C2-$500

Category 3 - $100 In science class, students investigate ways to build circuits. Which items should students choose to create a working electrical circuit? A. One copper wire, wood chips, and a lightbulb. B. Two copper wires, a plastic straw, and a lightbulb. C. Two copper wires, a battery, and a lightbulb. D. Wood chips, iron filings, and a battery. C3-$100

Category 3 - $200 What process causes electricity to flow in a circuit, completing its path so that an electric current can pass through and produce sound? A. Conductivity B. Solubility C. Insulation D. Vibrations C3-$200

Category 3 - $300 Students perform an investigation to compare and contrast the effects of reflection and refraction. What tools are most helpful to students when conducting this investigation? A. Magnets, mirrors B. Prisms, hand lenses C. Hand lenses, cameras D. Mirrors, prisms C3-$300

Category 3 - $400 What happens when light hits an object that it cannot pass through? A. The light is refracted or absorbed B. The light is reflected or absorbed C. The light is reflected or refracted D. The light is scattered or curved C3-$400

Category 3 - $500 A student is investigating ways to conserve electricity at school. All of the following are positive ways to impact the conservation of electricity at school EXCEPT – A. recycling aluminum cans B. turning off machines when not in use C. replacing light bulbs with energy efficient bulbs D. turning the thermostat up during warm months C3-$500

Category 4 - $100 Which energy source is considered nonrenewable. A Category 4 - $100 Which energy source is considered nonrenewable? A. Biofuel B. Natural Gas C. Solar D. Hydropower C4-$100

Category 4 - $200 Hydroelectric, geothermal, and biofuel energy are all renewable sources of energy. They are called renewable because they – A. can be converted directly into heat and electricity B. are clean and cost effective C. do not produce air pollutants D. can be replenished in a short period of time C3-200

Category 4 - $300 A group of students constructs an experiment testing the effects of force on an object. Some of the materials they use are items produced from nonrenewable resources. What is the wisest choice for disposal of these materials? A. Throw the items in the trash can B. Place the items in a metal trash can, and burn them C. Place the items in the recycling bin D. Return the items to the store C3-$300

DAILY DOUBLE

Category 4 - $400 What is one disadvantage of using wind energy rather than burning coal to produce electricity? A. The power it produces is economical. B. Wind energy can be converted directly into electricity. C. The turbines are too large. D. It does not cause pollution. C3-$400

Category 4 - $500 What is one positive impact of a hydroelectric power plant on the environment? A. Obstructs the migration of fish B. Produces electricity without polluting the air C. Changes the natural water temperatures D. Causes the relocation of animals and people C3-$500

Category 5 - $100 Which substances,when mixed together, maintain their original physical properties? A. gravel, sugar, water B. wood chips, water, sand C. sand, sugar, water D. water, pepper, sugar C4-$100

Category 5 - $200 A cup of orange juice with pulp is poured into a glass. Which of these procedures coule be done to separate the juice from the pulp? A. Pour the juice through a coffee filter B. Heat the juice in a pot until boiling C. Pour the juice into another cup D. Allow the mixture to settle, leaving the pulp at the bottom of the glass C4-$200

Category 5 - $300 Which of the following has the greatest effect on the ability of a substance to dissolve in water? A. Color B. Volume C. Buoyancy D. Solubility C4-$300

Category 5 - $400 The part of the mixture in which other substances are dissolved is called the – A. solute B. solvent C. variable D. mixture C4-$400

Category 5 - $500 Which of the following pieces of equipment should be used to separate a saltwater mixture? A. Hot plate B. Magnet C. Pan balance D. Filter C4-$500

Category 6 - $100 What evidence in the picture proves ice has less density than water? A. The water has more buoyancy then the ice cubes. B. The ice cubes are floating in the water. C. The ice cubes are resting at the bottom of the glass. D. The ice cubes are melting and becoming a liquid. C4-$100

Category 6 - $200 Which of these materials would NOT be a good insulator of electricity? A. Metal B. Plastic C. Glass D. Wood C4-$200

Category 6 - $300 Which objects below would be classified as having the greatest density? A. Popsicle Stick B. Pasta C. Corn Syrup D. Paperclip C4-$300

Category 6 - $400 Students have two blocks that are the same size Category 6 - $400 Students have two blocks that are the same size. They drop each block into a beaker of water. Why does Block 1 float and Block 2 sink? A. Block 1 is made of a different material than Block 2. B. Block 1 is smaller than Block 2. C. Block 2 absorbs more water than Block 1. D. Block 2 has less mass than Block 1. C4-$400

Category 6 - $500 During an indoor science investigation, students mix unknown substances to determine which substances are soluble in water. Which safety procedure should the students follow? A. Observe the outdoor area for any possible dangers B. Wash their hands before working with substances C. Wear safety goggles and gloves when working with substances D. Complete the investigation before the teacher instructs them to do so C4-$500