Al-Ru'ya Bilingual School
Elementary Science Department
Class Work 4
Answered
First Quarter 2015-2016
Grade 4_____Date____/____/_______ Name: ---------------------------------------------------------
Q1.Circle any very big ecosystems(biomes) below, and put (x) on the
smallecosystems.
1
Grassland Ecosystem
Plastic Bottle Ecosystem
Desert Ecosystem
Dead Tree Trunk Ecosystem
Taiga Ecosystem
Rainforest Ecosystem
Q2.Write biome under the very big ecosystem, and writ ecosystems under
small ecosystem.
The Pond
An Ecosystem
Deciduous Forest
A Biome
Taiga
A biome
2
The Tundra
A Biome
Fishbowl
An Ecosystem
A Tree
An Ecosystem
Q3. Complete the following
Biomes
are
Big ecosystem
Animals
-----------------
and they have their own kinds of
Climate
Plants
Soil
Q4. Complete the following sentences, by using the words between bracket:
1. Biomes are types of ecosystem.( Habitats- Ecosystems)
2. The main type of plant in grassland biome are grasses. (trees-grasses)
3. There are six very big biomes on the earth's land or continents.(Five-Six)
4. A biome that is very hot and dry in summer and has few kinds of plants and animals
is the desert.(Desert-Grassland)
Q5. Answer the following questions.
1. Why does desert have few kinds of plants.
Desert has few kinds of plants because of the following reasons:
a. Desert soil is dry, thin, and can't keep water.
b. Desert climate dry and hot.
c. The amount of rain in desert in winter are very few, or little.
2