8th grade Georgia Milestones practice test The molecules in ice are less free to move than the molecules in liquid water. - correct answer Which statement about the molecules in ice and the molecules in liquid water is correct?Water - correct answer Which of the following is compound?C - correct answer Which symbol represents carbon?Rusting car fender. - correct answer Evidence of chemical change would be a Condensation - correct answer Moisture that collects on the outside of a cold glass results from the process of Molecules move faster and farther apart when heated. - correct answer A hot balloon rises because The average speed of movement of the individual molecules. - correct answer The solid, liquid, and gaseous states of water differ from each other in Candle burns. - correct answer A different chemical substance is formed when a A compound - correct answer Carbon dioxide is....A compound. - correct answer A chemical change combining two elements results in...Carbon - correct answer All plant and animal life on Earth contains what element?Metals conduct electricity more easily than nonmetals. - correct answer Which is usually true about metals?Condensation - correct answer When a gas forms a liquid, which process is taking place?
- - correct answer The element beryllium (Be, atomic number 4 and atomic mass 9) is
right above magnesium (Mg, atomic number 12 and atomic mass 24) in the periodic table. How many more electrons does magnesium have than beryllium?Wood burning - correct answer Which is an example of a chemical change?Gold - correct answer Based on the melting points shown in the table, which material would still be a solid at 400C? 1 / 2
Making blueberry muffins. - correct answer Which action would result in a chemical change?Mass. - correct answer The amount of matter in an object is called its...Getting rusty. - correct answer A chemical change for piece of metal would be NaCl - correct answer Which symbolizes a molecule of compound?A mixture. - correct answer Putting sand and salt together makes...Aluminum - correct answer The chemical symbol Al represents which metal on the periodic table?Cannot be dissolved in water or other liquids. - correct answer All of the substances on periodic table are classified as elements because they Different kinds of molecules are present after a chemical change but not after a physical change. - correct answer The number of protons in the atom's nucleus.Na - correct answer Which is the correct symbol for the element sodium?Metals are good electrical conductors. - correct answer Which statement is usually true about the electrical properties of metals?Metals are good electrical conductors. - correct answer Which statement is usually true about the electrical properties of metals?A tree. - correct answer Look carefully at the pictures below. Which picture shows only a physical change in the wood?Formation of a gas - correct answer During science lab, some students added small pieces of magnesium (Mg) to hydrochloric acid (HCI). They noticed that bubbles formed, the test tube got hot, and the magnesium disappeared. Which of the following is a sign that a chemical reaction has taken place in this experiment?Molecule. - correct answer Two or more atoms, joined covalently, that act as a unit, are called a(n)...Atoms - correct answer Which of the following particles combine to form molecules?Mixtures contain two or more elements physically combined and compounds contain two or more elements chemically combined. - correct answer Compare and contrast mixtures and compounds. Which statement is true about mixtures and compounds?
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