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WorksheetsScience
Total questions: 20
Worksheet time: 15mins
Name
Class
Date
1.
Soil is made of
a)
weathered rocks and minerals
b)
dead plants and animals
c)
air and water
d)
all of the above
2.
What do we call the layers of soil?
a)
Deposits
b)
Horizons
c)
Minerals
d)
Rocks
3.
The very top layer of soil is mostly made of
a)
Solid rock
b)
Clay and mineral deposits
c)
A mixture of minerals and organic material
d)
Mostly organic material (humus)
4.
Which layer of soil is on the bottom?
a)
topsoil
b)
subsoil
c)
bedrock
d)
bottomsoil
5.
Which horizon is made up of partially weathered rocks?
a)
Horizon A
b)
Horizon B
c)
Horizon C
d)
Horizon D or R
6.
Photosynthesis is a substance in leaves.
a)
True
b)
False
7.
Leaves absorb oxygen.
a)
True
b)
False
8.
Plants absorb water and minerals through their leaves.
a)
True
b)
False
9.
Why do plants conduct photosynthesis?
a)
To make light
b)
To make mitochondria
c)
To make glucose
d)
To release carbon dioxide
10.
Photosynthesis only happens during the day.
a)
True
b)
False
11.
In which stage does the use of simple substances to build complex substances is required by the body is happening?
a)
Absorption
b)
Assimilation
12.
What does the liver secrets?
a)
Bile
b)
Pancreatic juice
13.
How many chambers does a ruminant have?
a)
1
b)
3
c)
4
d)
2
14.
Bile is stored in the pancreas.
a)
True
b)
False
15.
What is the finger-like projections found in the digestive system called?
a)
Protozoa
b)
Villi
16.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
17.
Which of the following is NOT an example of chemical change?
a)
sour milk
b)
burning wood
c)
breaking a pencil
d)
rust
18.
all matter is made of what
a)
energy
b)
atoms
c)
electrons
d)
compounds
19.
What does the 6 represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol
20.
What does 12.011 represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol
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