[{"id": 1, "type": "multiple_choice", "options": ["Solid, liquid, gas", "Light, dark, gray", "Big, medium, small", "Hot, cold, warm"], "question": "What are the three states of matter?", "correct_answer": "Solid, liquid, gas"}, {"id": 2, "type": "multiple_choice", "options": ["A type of food animals eat", "The natural environment where an organism lives", "A kind of weather pattern", "A body part of an animal"], "question": "What is a habitat?", "correct_answer": "The natural environment where an organism lives"}, {"id": 3, "type": "multiple_choice", "options": ["Rain gauge", "Anemometer", "Thermometer", "Barometer"], "question": "What instrument measures temperature?", "correct_answer": "Thermometer"}, {"id": 4, "type": "multiple_choice", "options": ["Thermometer", "Barometer", "Anemometer", "Rain gauge"], "question": "What instrument measures temperature?", "correct_answer": "Thermometer"}, {"id": 5, "type": "multiple_choice", "options": ["A body part of an animal", "The natural environment where an organism lives", "A type of food animals eat", "A kind of weather pattern"], "question": "What is a habitat?", "correct_answer": "The natural environment where an organism lives"}, {"id": 6, "type": "multiple_choice", "options": ["A kind of weather pattern", "A type of food animals eat", "A body part of an animal", "The natural environment where an organism lives"], "question": "What is a habitat?", "correct_answer": "The natural environment where an organism lives"}, {"id": 7, "type": "multiple_choice", "options": ["Thermometer", "Barometer", "Anemometer", "Rain gauge"], "question": "What instrument measures temperature?", "correct_answer": "Thermometer"}, {"id": 8, "type": "short_answer", "question": "Describe one key concept you learned about \"Earth and Space Unit Test\" in your own words.", "correct_answer": null}, {"id": 9, "type": "multiple_choice", "options": ["A kind of weather pattern", "A body part of an animal", "The natural environment where an organism lives", "A type of food animals eat"], "question": "What is a habitat?", "correct_answer": "The natural environment where an organism lives"}, {"id": 10, "type": "multiple_choice", "options": ["Solid, liquid, gas", "Light, dark, gray", "Hot, cold, warm", "Big, medium, small"], "question": "What are the three states of matter?", "correct_answer": "Solid, liquid, gas"}, {"id": 11, "type": "multiple_choice", "options": ["Hot, cold, warm", "Light, dark, gray", "Solid, liquid, gas", "Big, medium, small"], "question": "What are the three states of matter?", "correct_answer": "Solid, liquid, gas"}, {"id": 12, "type": "multiple_choice", "options": ["Wind, rocks, and heat", "Sand, ice, and nitrogen", "Sunlight, water, and carbon dioxide", "Soil, darkness, and oxygen"], "question": "What do plants need to make their own food through photosynthesis?", "correct_answer": "Sunlight, water, and carbon dioxide"}]