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25
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What is the type of force when an object is in contact with a surface?当一个物体碰触在一个表面上时,产生了什么力?
Normal force
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What are the factors affecting pressure? 什么因素会影响压力
Surface area and force
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Name the CLASS OF LEVER for Baseball Bat. 球棒属于哪种杠杆类?
Third Class Lever
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Name the CLASS OF LEVER for Hoe and Fork. 锄头和叉子属于哪种杠杆类?
Third Class Lever
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The S.I unit to measure the PRESSURE is ( ) 测量压力的国际标准单位是........
Pascal (Pa)
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baam
Lose 25 points!
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gift
Win 20 points!
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fairy
Take points!
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lifesaver
Give 5 points!
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heart
Other team wins 5 points!
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gift
Win 20 points!
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fairy
Take points!
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baam
Lose 20 points!
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An object sinks into the water. It shows the buoyant force is (bigger, smaller) than the weight. 物体沉入水里
smaller
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An object with a mass of 1kg has a weight of ( ) N.
10
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seesaw
Swap points!
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seesaw
Swap points!
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shark
Other team loses 15 points!
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banana
Go to last place!
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How to clean the fish pond by removing the dirty water from the pond? 如何清除池里的脏水?By using......
siphon
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How do we clean the house area by removing all the dust? By using.....我们如何清理家里的尘埃?
Vacuum cleaner
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25
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(Ice tong, nut-cracker, paper cutter, scissors) Which is classified into the third class lever?
Ice tong
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monster
Reset all scores!
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seesaw
Swap points!
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fairy
Take points!
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25
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banana
Go to last place!
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25
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The S.I unit of force.力的国际标准单位是......
Newton (N)
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Why is the duck is able to walk smoothly instead of the chicken? 为什么鸭子比鸡步行快步?
The size of the duck's legs is larger than the chicken. The pressure produced lower than the chicken.
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