Worksheets2014 8th Exam 41-45
Total questions: 5
Worksheet time: 5mins
Name
Class
Date
1.
Which process transfers heat when particles collide in a solid?
a)
convection
b)
conduction
c)
radiation
d)
evaporation
2.
The force of gravitational attraction between two objects depends on the distance between the objects and their
a)
buoyancies
b)
temperatures
c)
masses
d)
shapes
3.
The graph below shows population data for one kind of insect over a 50-year period. Which statement best describes the population of this insect over the 50-year period?
a)
It increased steadily
b)
It decreased steadily
c)
It remained constant
d)
It followed a cyclic pattern
4.
The data table below shows times that an observer in New York State saw the Moon rise during a 5-day period. The time of the Moon rise on Wednesday is not shown. Based on the pattern in the data table, at what time did the Moon rise on Wednesday?
a)
10:00 PM
b)
10:44 PM
c)
11:00 PM
d)
11:15 PM
5.
The solubility graph below shows the amounts of four substances that will dissolve in 100 grams of water at various water temperatures. Which substance has 80 grams of solute dissolved in 100 grams of water at 50°C?
a)
potassium bromide
b)
ammonium chloride
c)
potassium chloride
d)
lithium hydroxide
100 %
