Presentation on theme: "JEOPARDY with your host 200 300 400 500 600 100 JEOPARDY! Magnetism States of Matter Mixtures and solutions Solubility and density Conductor and Insulators."— Presentation transcript:
Category 1 500 Explain how the earth is a magnet?
Category 1 500 The Earth is a giant magnet. Its hot liquid center core contains iron, and as it moves, it creates an electric current that causes a magnetic field around the Earth. The Earth has a north and south magnetic pole.
Category 2 300 What is TRUE about the melting point and freezing point of a substance? A. The freezing point is a warmer temperature. B. The melting point is a cooler temperature. C. They are opposite temperatures. D. They are the same temperature.
Category 2 400 What happens when the temperature of water changes from 90° Celsius to 110° Celsius? A. The water changes from a solid to a gas. B. The water changes from a gas to a liquid. C. The water changes from a liquid to a solid. D. The water changes from a liquid to a gas.
Category 2 400 The water changes from a liquid to a gas.
Category 2 500 Which of the following best describes why a baseball is a solid? A. its round B. it takes the shape of its container C. you can weigh it D. it has a definite shape and size
Category 2 500 it has a definite shape and size
Category 4 100 You mix oil and vinegar for a salad dressing. Which has the lower density? A. the darker liquid B. the liquid on bottom C. the liquid floating on top D. Both liquids will always have equal densities.
Category 4 200 What happens when salt and water are mixed together? A. Neither salt nor water dissolves. B. The water dissolves in the salt. C. The salt dissolves in the water. D. The salt floats to the top of the water.
Category 4 200 The salt dissolves in the water.
Category 4 300 Which of these best describes the change in sugar as it dissolves in water? A. The sugar changes its chemical until it becomes water B. The sugar gets higher in temperature C. The sugar gets smaller in size until it can no longer be seen D. The sugar is washed clean
Category 4 300 The sugar gets smaller in size until it can no longer be seen
Category 4 400 If a ball floats in water then… A. The solid has the same density as water B. The solid is denser than water C. The solid is less dense than water D. The water is less dense then water
Category 4 400 The solid is less dense than water
Category 4 500. If an object goes straight to the bottom of a tank of water, we know that.. A. it has a density less than one B. same density has water c. has nothing to do with density d. it has a density more than one
Category 6 300 What does salt do to water? a. Lowers the freezing point of water b. raises the freezing point of water c. no effect d. turns the water into gas
Category 6 300 Lowers the freezing point of water
Category 6 400 When would a student need to wear science goggles? a. measuring water with a plastic container b. finding the volume of a cube c. determine the mass of water d. dissolving the salt in boiling water
Category 6 400 dissolving the salt in boiling water
Category 6 500 If you get unexpected results in an experiment, you should… a. plan a new experiment b. change the hypothesis c. repeat the experiment d. use warmer temperatures
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