Ques:Choose between "floor" and "bed". Question: Helen can slide her pillow faster across her floor then across her bed. This means that her _____ is the lumpier of the two surfaces (A) bed (B) floor

Ans:floor
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Ques:Choose between "stars" and "sun". Question: The Sun is close to the Earth, but the stars are farther away. Which appears smaller? (A) Sun (B) stars

Ans:sun
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Ques:Choose between "street" and "grass". Question: Jacob worked up a sweat riding his bicycle across the grass in the park, but had an easier time when finally he came to the street. This was because the surface of the street had (A) less friction (B) more friction

Ans:street
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Ques:Choose between "pant leg" and "rough leather". Question: Karl is trying to light a match on his pant legs with very little success. He finds a piece of rough leather to strike the match against and the match lights up in no time. Which surface provides more friction for heat? (A) PANT LEG (B) ROUGH LEATHER

Ans:
rough leather
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