WorksheetsScience Test Prep
Total questions: 18
Worksheet time: 52mins
Name
Class
Date
1.
Which of the following best explains how stems transport water to other parts of the plant?
a)
through a chemical called chlorpphyll
b)
by using photosynthesis
c)
through a system of tubes
d)
by converting water to food.
2.
Which of the following gases do plants use in photosynthesis?
a)
hydrogen
b)
oxygen
c)
carbon dioxide
d)
carbon monoxide
3.
Which of the following is broken down in the bod to release energy?
a)
sugar
b)
water
c)
salt
d)
oxygen
4.
Which of the following is produced when sugar is digested in an animal cell?
a)
carbon dioxide
b)
chlorophyll
c)
oxygen
d)
sunlight
5.
A group of students are building a model of an ecosystem. Which of the following organisms should the students select to act as a decomposer?
a)
turtle
b)
flower
c)
mushroom
d)
spider
6.
Decomposers are important in the food chain because they
a)
produce their own food using light from the sun
b)
stop the flow of energy from one organism to another
c)
break down dead organisms and recycle nutrients into the soil.
d)
are microscopic and other organisms cannot consume them.
7.
Which of the following is a living component of a desert in California?
a)
low rainfall
b)
hot temperature
c)
polar bear
d)
horned lizard
8.
Salt concentration, water temperature, plankton, and the whale shark might all be used in a description of an ocean?
a)
climate
b)
food web
c)
ecosystem
d)
population
9.
Which characteristic of the plants would most likely affect the plants' growth?
a)
leaf shape
b)
light requirement
c)
plant price
d)
flower color
10.
Which animals are most likely to carry the seeds found in berries from the parent plant to another area?
a)
bees
b)
birds
c)
flies
d)
caterpillars
11.
Peach trees have sweet-smelling blossoms and produce rich fruit. What is the main purpose of the flowers of a peach tree?
a)
to attract bees to pollination
b)
to create flower arrancements
c)
to protect the tree from disease
d)
to feed migratory birds
12.
Many animals depend on plants for
a)
shelter
b)
pollination
c)
seed dispersal
d)
sunlight
13.
where is most of Earth's water located?
a)
glaciers
b)
lakes
c)
oceans
d)
rivers
14.
Which of the following processes is responsible for changing liquid water into water vapor?
a)
photosynthesis
b)
condensation
c)
evaporation
d)
precipitation
15.
Above a continent is warm air mass slowly passes over a cold air mass. As the warm air begins to cool, clouds form. What will most likely happen next?
a)
rain will fall
b)
hurricanes will form
c)
lightning will strike
d)
hail will form
16.
Why is watering plants and grass in the early morning a way to conserve water?
a)
There is always more water in the morning.
b)
Smaller amounts of water evaporate in the cool morning.
c)
Water used in the morning can be recycled for afternoon use
d)
Grass can absorb water only in the morning.
17.
Which location on Earth receives the most direct sunlight?
a)
the deserts
b)
the south pole
c)
the equator
d)
the Western Hemisphere
18.
Which of the following factors would most likely cause a hurricane to decrease in strength?
a)
staying over a warm body of water for a long time
b)
increasing the number of large clouds
c)
moving over a continent
d)
moving toward tropical waters
100 %
