1) Which of the following is NOT a state of matter? a) Solid b) Liquid c) Gas d) Electricity 2) What is the chemical symbol for water? a) H2O b) CO2 c) O2 d) NaCl 3) Which planet is known as the "Red Planet"? a) Jupiter b) Mars c) Venus d) Saturn 4) What process do plants use to convert sunlight into energy? a) Respiration b) Digestion c) Photosynthesis d) Fermentation 5) What is the largest planet in our solar system? a) Earth b) Mars c) Jupiter d) Neptune

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