UiL Science_Test 2_Oct 27,'18 (2nd 25)

Who was the first American to go into space on May 5, 1961?

Friction is a force that would be considered what?

Words that start with the prefix “hepat” implies relation with what organ?

How many electrons does an atom of Calcium have?

Which diagram below bests displays the trophic levels and the energy relationships, with bottom showing

producers, consumers, and so on?

What coefficients would make this chemical equation balanced?

____H2SO4  ___H2O + ___SO3

A. 2,2,1

B. 1,1,2

C. 1,1,1

D. 3,3,2

What mammal has been credited for helping to store water and recharging aquifers by slowing down

water flow?

What rodent is considered a keystone species for the prairie ecosystem?

A. kangaroo rat

B. bison

C. prairie dog

D. eastern cottontail

Most scientists believe that the movement of the Earth’s tectonic plates is caused by what?

Most absorption of food nutrients takes place in what place?