Pretest Directions: Read the questions carefully write the letter of the correct answer on the answer sheet on page 8 1. What change will happen to ice cubes when left at room temperature? Ice cubes will change in A color C. state B. odor D. taste 2. Why do you need to store chocolates in cool and dry place? To make chocolates to A. look appealing B. keep it delicious C. avoid the melting of the chocolates D. maintain the flavor of the chocolates 3. Which is an example of a change that can be undone? A burning wood C melting a butter B. baking a cake D. roasting marshmallows 4. Which is NOT TRUE about mixing solid materials with other solid materials? A. The components of hamburger are easy to distinguish. B. The bowl of sliced fruits is a heterogeneous mixture C Combining iron filings and chalk particles will form homogeneous mixture. D. Mixing flour and corn starch will have the same composition throughout the mixture 5. Which combination of materials will result in unrecognized components after mixing? A. iodized salt and sugar C. sand and pebbles B. nuts and green peas D. paper clips and thumbtacks