Raw egg was placed in boiling water. After several minutes, its clear, runny egg white became white and firm. What is the main cause of change?, Oxygen, Both, Heat, None, Raw egg was placed in boiling water. After several minutes, its clear, runny egg white became white and firm. What is the evidence of change?, The egg became smaller., The egg moved in the water., Its shell became wet., Its color and texture changed., A sheet of paper was lighted by an adult. It produced heat, light, smoke and ash. What is the main cause of change?, Oxygen, Both, Heat, None, A sheet of paper was lighted by an adult. It produced heat, light, smoke and ash. What is the evidence of change?, Folding and bending, Change in size and shape, Movement of the paper, Heat, light, smoke and ash formation, A potato was cut and left uncovered on the kitchen counter. After some time, its exposed surface turned brown. What is the main cause of change?, Oxygen, Both, Heat, None, A potato was cut and left uncovered on the kitchen counter. After some time, its exposed surface turned brown. What is the evidence of change?, Change in color, Production of light, Gas formation, Formation of sound, A bottle of hydrogen peroxide was left in a warm place. The heat caused it to break and release oxygen gas. What is the main cause of change?, Oxygen, Both, Heat, None, A potato was cut and left uncoA bottle of hydrogen peroxide was left in a warm place. The heat caused it to break and release oxygen gas. What is the evidence of change?, The bottle had a cap., The liquid remained colorless., Bubbles of gas formed., The bottle remained in the same place.

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