Try this experiment to see if you can figure it out! Put ice cubes into two clear plastic cups until they are about ½-full. Pour cold water into both cups so they are each about ¾-full. Quickly place ...

Look at the teacher version of the activity sheet to find the questions and answers. Fill a wide clear plastic cup about 2/3 full of hot tap water. Place the tall cup upside down inside the rim of the ...

Japan’s transparent paperboard cup is strong, clear, and breaks down in the ocean within months. Created by JAMSTEC, it could ...

In a post to the district’s Facebook page, a new policy reads that student beverage containers must be made of clear, plastic materials, not to exceed 32 ounces, and only contain water.