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LH-Science Test 5
Science Material Test 5
Question | Answer |
---|---|
What is all around us? | air |
Air takes up ______________. | space |
Air is a special group _________________ that are mixed together in special amounts | gases |
Name 2 gases we have studied. | 1. oxygen 2. carbon dioxide |
What do we call moving air? | wind |
_________ air is light and rises. | Warm |
_________ air is heavy and moves toward the ground. | Cool |
_________are windstorms that begin over the ocean. | Hurricanes |
__________ are windstorms that build up over hot land. They are funnels of spinning air. | Tornadoes |
What three things decide the weather? | 1. sun 2. air 3. water |
_________ is the process of water returning to the air. | Evaporation |
__________ begins to fall when clouds, heavy with water from the air, meet cool air. | Rain |
Each __________ has 6 points. | snowflake |
__________ needs something to travel through. | Sound |
__________ __________ travel through air until they enter your ears. | Sound waves |
What is a toy that uses air to "work"? | balloon, sailboat, whistle |
True/False: We cannot feel moving air. | False |
True/False: The gases in the air are measured carefully so the animals and plants can live on the earth. | True |
True/False: Air is made up of only oxygen and carbon dioxide. | False |
True/False: The slower air moves, the harder the wind blows. | False |
True/False: The wind is always friendly. | False |
True/False: All windstorms come from hot air meeting cold air. | True |
True/False: We are able to see and smell air. | False |
True/False: Water is always in the air. | True |
True/False: Every snowflake is shaped exactly alike. | False |
True/False: The air can hold a certain amount of water. | True |
True/False: There is no sound on the moon. | True |
True/False: Most of the time, sound travels through rock. | False |
True/False: There is a wide band of air around the earth that keeps the earth from being burned by the sun. | True |
True/False: The higher we go, the more air there is for us to breathe. | False |
True/False: Without the band of air around the earth, nothing on earth could live. | True |
True/False: If we left earth and its band of surrounding air, it would not be completely dark. | False |
Who mixes the gases in our air to the correct amounts? | God |
Why would the sky be dark if you went outside the layer of air around the earth? | There is no air for the sun to shine through. |
Why is there no sound on the moon? | Sound travels through air, and there is no air on the moon. |