SCIENCE ON FREE TUITION

1.   Household appliances convert electricity into one or more different forms of energy. An electric fan can best be described as converting electricity into

A.     heat energy only

B.     heat energy and sound energy only

C.     heat energy, sound energy, and mechanical energy only

D.     heat energy, sound energy, [...]

1.   Kelly slides a flat rock across the smooth ice of a frozen pond. The rock slows down after several seconds. What causes the rock to slow down?

A.     The thickness of the ice

B.     The temperature of the air above the ice

C.     The force of friction between the [...]

Additional Information [1]

Questions 1-13 The picture below shows a pond ecosystem. Use this picture and what you know about the things in it to answer the questions in this section.

Question 1 refers to Additional Information [1]                                                 

1.   Which of the following living things in the [...]

1.   In the figure above, which of the following is the pathway of light that allows the child to see the ball?

A.     Light bulb → child’s eyes → ball

B.     Child’s eyes → light bulb → ball

C.     Ball → light bulb → child’s [...]

Sample Science Test -3 Grade 4

1.   The surface of the Moon is covered with craters. Most of these craters were

formed by

A.     eruptions of active volcanoes

B.     the impacts of many meteoroids

C.     shifting rock on the Moon’s surface ("moonquakes")

D.     tidal forces caused by the Earth [...]