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Science Unit1

4th grade

How would you classify a pan balance, meter stick, triple balance, and thermometer? All can be used as tools for measuring
What tools can be used to measure volume? Beakers and graduated cylinders
What process occurs when water vapor becomes a liquid? Condensation
What physical changes when water becomes ice? Liquid to a solid
How will heat from a stove affect water in a pot? The heat brings the water to boiling and puts off steam.
Two boats floating, one appears lower in the water. What is the reason? One is more dense.
What happens to popcorn when the water inside the hull begins to boil? The hole begins to crack and then it pops.
What happened when the alka seltzer was placed in water? It began to bubble - releasing gas bubbles
3 safety rules in Science Lab 1. Wait for instructions 2. Tell the teacher right away if something happens 3. Wear safety equipment
Created by: epurifoy