1) What unit is used to measure mass? a) g b) kg c) s d) m 2) What unit is used to measure temperature? a) °C b) m c) kg d) J 3) What unit is used to measure time? a) °C b) kg c) s d) J 4) What unit is used to measure specific heat capacity? a) kg b) J c) m d) J / kg °C 5) What is the definition of specific heat capacity? a) The amount of energy needed to raise the temperature of 1kg by 10°C b) The amount of energy needed to raise the temperature of 1g by 1°C c) The amount of energy needed to raise the temperature of 10kg by 1°C d) The amount of energy needed to raise the temperature of 1kg by 1°C  6) What is an independent variable? a) A variable that the investigator changes b) A variable that stays the same c) A variable that the investigator measures d) Something that causes harm 7) What is a dependent variable? a) A variable that stays the same b) A variable that the investigator measures c) A variable that the investigator changes d) Something that causes harm 8) What is a controlled variable? a) A variable that the investigator changes b) A variable that the investigator measures c) A variable that stays the same d) Something that causes harm 9) Correctly write this number in standard form 23 600 a) 23.6 x103 b) 2.36 x104 c) 236 x102 d) 2.36 x10-4 10) Correctly write this number in standard form 567 a) 0.567 x103 b) 56.7 x101 c) 5.67 x10-2 d) 5.67 x102

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