Worksheets2005 Released Questions 1-10
Total questions: 10
Worksheet time: 7mins
Name
Class
Date
1.
Venus, the moon, Mars and the sun are all visible in our sky. All but one of these reflect light from another source. which of the following produces its own ligh?
a)
Sun
b)
moon
c)
Mars
d)
Venus
2.
Which air pollutant decreased the most from 1970-1991?
a)
Lead
b)
Carbon monoxide
c)
Particulates
d)
Sulfur oxides
3.
Which of the following could best be used to demonstrate energy being transformed from electricity to heat?
a)
a magnifying glass
b)
triple beam balance
c)
toaster
d)
a gas oven
4.
Which of these best describes a relationship shown by this African energy pyramid?
a)
The lion is a predator of the giraffes.
b)
The lion is the prey of the giraffes.
c)
Giraffes are the prey of the trees.
d)
Giraffes are predators of the lion.
5.
Insulation materials reduce heat loss because they ---
a)
are poor conductors
b)
block out the sun
6.
Which concept is best illustrated by the diagram
a)
nutrient cycle
b)
O2 and CO2 cycle
c)
food change
d)
energy pryamid
7.
Which concept is best illustrated by the diagram?
a)
Cycling of nutrients
b)
CO2 and O2 cycling
8.
Water is an example behind a dam is am example of what kind of energy?
a)
Potential
b)
Kinetic Energy
c)
Chemical energy
d)
Solar energy
9.
Which organelle functions as a place to store extra water?
a)
Vacoule
b)
Chloroplasts
c)
Nucleus
d)
Cell membrane
10.
Which process is a physical change?
a)
melting ice
b)
burning paper
c)
acetic acid reacting to baking soda
100 %
