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Worksheets2nd nine week review
Total questions: 11
Worksheet time: 6mins
Name
Class
Date
1.
What represents a physical change in food while its being digested?
a)
Saliva changing carbohydrates into sugars
b)
Tearing off the food with your teeth
c)
Chemicals in the stomach digesting proteins
2.
What is a chemical change that happens in the digestive system?
a)
Chewing and swallowing food
b)
Absorption of nutrients by vili in the small intestines
c)
Reaction of saliva ,stomach acid, bile and pancreatic juices with food.
3.
Carbohydrates can be broken into..
a)
vitamins
b)
sugars
c)
energy
4.
What pulls the roots to grow downward and leaves and stem upwards?
a)
gravity
b)
osmosis
c)
sunlight
5.
what happens to a plant when it lacks of turgor pressure?
a)
It keeps growing
b)
excess of humidity
c)
the leaves will start wilting
6.
What is the main function of the respiratory system?
a)
Provides movement for the body
b)
Breaks down food into nutrients
c)
Supplies oxygen to the blood and delivers oxygen to the body
7.
What is the main function of the excretory system :
a)
Helps digest food
b)
Removes waste for the body
c)
Carry oxygen to the body
8.
Which system secretes hormones and helps regulate the body processes
a)
Circulatory
b)
Integumentary
c)
Endocrine
9.
What is the main function of the muscular system
a)
support the body
b)
break down of food
c)
movement of the body
10.
Why do plants grow towards the window ?
a)
Stimulus of sunlight
b)
To get fresh air
c)
The plant is responding to water
11.
What causes wilting in a plant?
a)
Not enough moisture in the air
b)
Lack of water inside plant cells
c)
Not enough sunlinght
d)
Too much moisture in the air
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