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Science Matter Unit for Second Grade Answer Key

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States of Matter for Second Grade
#1 What are the three states of matter? Solid, Liquid, Gas
#2 What state of matter does not change its shape? solid
#3 What state of matter takes the shape of its container? Liquid
#4 What makes ice melt faster? Heat
#5 What keeps ice from melting? Insulator
Properties of Matter
#1 Name an example of matter that will float. cork, sponge, boat
#2 Name an example of matter that will sink. brick, stone, rock
#3 Name three shapes that matter can have? triangle, circle, rectangle
#4 Name three ways to describe the size of matter. Big, small, large, tall
#5 Give an example of matter that has texture. Name its texture. sand paper (rough), fur, (soft) stone (smooth)
Experiments
#1 What five things does a scientist use to conduct an experiment? His/Her senses
#2 What does a scientist do before he does the actual experiments? Predicts
#3 What sense do you not use unless your teachers tells you it is ok? Taste
#4 What instrument would a scientist use to measure temperature? Thermometer
#5 Give an example of what a scientist would use to measure matter. ruler, measuring cup, thermometer
Matter Vocabulary
#1 What is a centimeter? A unit of measurement.
#2 What is a thermometer? An instuments that meansure the temperature
#3 What is water vapor? The stage in which water begins to change to a gas.
#4 What is an insulator? Something that slows down the melting of matter.
#5 What is volume? The amount of space a material takes up.
Wild Card Science!
#1 What state of matter has a definite shape and volume? Solid
#2 What is size? How big or small an object is
#3 What is process called that causes drops to form on the outside of a glass? condensation
#4 What is freezing? To remove heat from something
#5 At what temperature Fahrenheit will water boil? 212 degrees
Final Question
Describe your favorite experiment? Tell what you learned from it. Open