Water Planet Solar System Climate Measure Vocabulary Forms of Water 10 10 10 10 10 20 20 20 20 20 30 30 30 30 30 40 40 40 40 40 50 50 50 50 50 8 How many planets are there in the solar system? The Sun What is the center of the solar system? Mercury, Earth, Venus, Mars What are the “inner” planets? or What are the solid planets? Pluto What is a dwarf planet? Jupiter, Saturn, Uranus, Neptune What are the outer planets? or What are the gas planets? Cold air mass overtakes a mass of warm, moist air What is a cold front? Tornado, Hurricane, Drought, Thunderstorms What is severe weather? Warm air mass slides over a cold air mass What is a warm front? Pressure exerted by air What is atmospheric pressure? The whole layer of air covering the Earth What is atmosphere? How much something weighs What is a scale? How long a task takes to complete What is a clock/timer? Temperature What is a thermometer? How long something is What is a ruler measuring tape? Liquid What is a beaker measuring cup syringe? Revolution What is the path a planet travels around the Sun? Rotation What is the movement of a planet on its axis? Gravity What keeps the planet in orbit? Earth’s Recycling System What is the water cycle? Result of uneven Heating of the Earth’s surface What is convection current? Sleet, Hail What is frozen water dropplets? Evaporation What is water vapor? Condensation What is water dropplets? Fog, Rain, Snow What is liquid water dropplets? Steam What is water vapor?