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Science 6 Worksheet

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

Produces bile, which helps digest fat

a)

Liver

b)

Pancreas

c)

Gallbladder

2.

bile produced by the liver is stored in the __________________ until it is released to the small intestine when it is needed.

a)

Pancreas

b)

Gallbladder

c)

Intestine

3.

Produces enzymes that flow into the small intestine. These enzymes and other substances neutralize stomach acid that mixed with the food that enters the small intestine.

a)

Gallbladder

b)

Liver

c)

Pancreas

4.

Mechanical digestion begins in the ___________ where teeth shred food.

a)

Esophagus

b)

Mouth

c)

Stomach

5.

After the food becomes soft and moist, the tongue pushes it to the ___________________.

a)

Stomach

b)

Esophagus

c)

Mouth

6.

Glands in the _______________________ produce enzymes and acid that begin the breakdown of proteins.

a)

stomach

b)

mouth

c)

intestine

7.

Most digestion takes place in the ______________________.

a)

small intestine

b)

large intestine

c)

stomach

8.

Materials that cannot be absorbed into the bloodstream pass into the _______________________.

a)

stomach

b)

large intestine

c)

small intestine

9.

Is an organ system that permits blood to circulate and transport nutrients

a)

Digestive System

b)

Circulatory System

c)

Respiratory System

10.

Provides oxygen to the body's cells while removing carbon dioxide, a waste product that can be lethal if allowed to accumulate

a)

Respiratory System

b)

Digestive System

c)

Circulatory System

11.

The liquid part of the blood is called _____________.

a)

plasma

b)

red blood cells

c)

white blood cells

12.

Carries oxygen and also remove carbon dioxide from your body

a)

White blood cells

b)

Red blood cells

c)

Platelets

13.

Organ system that digest and absorb the nutrients from the food we eat.

a)

Circulatory System

b)

Respiratory System

c)

Digestive System

14.

When you breathe out, the ___________ leaves the lungs and exit the body.

a)

oxygen

b)

carbon dioxide

c)

nitrogen

15.

Why delta land are good for farming?

a)

Delta land is good for farming because it is rich with rocks

b)

Delta land is good for farming because there is a deep layer of topsoil. This soil is full of sediment that was left by former flooding in the area.

c)

Teacher I don't know!

16.

Anchor a plant and absorb water and minerals from the soil

a)

Leaves

b)

Stem

c)

Roots

17.

moves water and minerals from the roots to other parts of a plant.

a)

Phloem

b)

Xylem

c)

Stem

18.

Carries sugars made in the leaves throughout the plant

a)

Xylem

b)

Phloem

c)

Stem

19.

Plants with stems that are green and easy to bend are called __________________.

a)

woody plants

b)

herbaceous plants

c)

tuber

20.

stems are rigid and strong are called ________________.

a)

woody plants

b)

herbaceous plants

c)

tuber

21.

stems grow underground are called _______________.

a)

tuber

b)

herbaceous plants

c)

woody plants

22.

Is a tiny opening or pore that is used for gas exchange. They are mostly found on the under-surface of plant leaves.

a)

Stoma

b)

Guard cells

c)

Oxygen

23.

Are cells surrounding each stoma. They help to regulate the rate of transpiration by opening and closing the stomata.

a)

xylem

b)

guard cells

c)

stomata

24.

A chemical that breaks down food into nutrients.

a)

enzymes

b)

hormones

c)

gallbladder

25.

Is the process of water movement through a plant and its evaporation from leaves.

a)

evaporation

b)

transpiration

c)

precipitation

26.

The process in which plants make glucose is called _______________.

a)

precipitation

b)

photosynthesis

c)

evaporation

27.

Cover a leaf and slow water loss

a)

cuticle

b)

spongy mesophyll

c)

lower epidermis

28.

Is the process by which cells break down glucose with the release of energy.

a)

photosynthesis

b)

cellular respiration

c)

carbon dioxide-oxygen cycle

29.

Is a naturally occurring material that is broken down by processes of weathering and erosion, and is subsequently transported by the action of wind, water, or ice, and/or by the force of gravity acting on the particles

a)

sediments

b)

erosion

c)

weathering

30.

Process of breaking down rock into smaller pieces.

a)

erosion

b)

weathering

c)

sediments

31.

Processes that break a rock or mineral into smaller pieces without altering its composition.

a)

Erosion

b)

Chemical Weathering

c)

Mechanical Weathering

32.

The change can be caused when the minerals react with other substances in the environment, such as water or oxygen, to change the mineral content of rocks.

a)

Chemical Weathering

b)

Mechanical Weathering

c)

Erosion

33.

Is the process by which soil and sediments are transferred from one location to another.

a)

Mechanical Weathering

b)

Erosion

c)

Chemical Weathering

34.

This process of adding sediments to a new place after being carried from another is called _______________.

a)

floodplain

b)

deposition

c)

erosion

35.

How is a food chain related to a food web?

a)

Food web makes up a food chain.

b)

Food chain makes up a food web.

c)

Food chain is nothing to do with Food web

36.

What might happen if a person's body not produces enough platelets?

a)

Blood would not clot.

b)

Blood would stay the same.

c)

Blood would be infected by bacteria.

37.

________________ enable organisms to get energy and to find mates and reproduce.

a)

deposition

b)

adaptations

c)

sediments

38.

Carry blood to the heart.

a)

Veins

b)

Arteries

c)

Heart

39.

Weathering changes the surface of Earth rapidly.

a)

True

b)

False

40.

Plants have a root system with a taproot and smaller roots.

a)

True

b)

False

41.

Roots take in water and minerals through the phloem.

a)

True

b)

False

42.

Plants combine chlorophyll and carbon dioxide to make glucose.

a)

True

b)

False

43.

Photosynthesis and cellular respiration are reverse processes.

a)

True

b)

False

44.

The respiratory system realses carbon dioxide from the body.

a)

True

b)

False

45.

Tiny sacs in the lungs where gas exchange takes place are called ________.

a)

enzymes

b)

alveoli

c)

lungs

46.

In the lungs, blood picks up carbon dioxide and release oxygen.

a)

True

b)

False

47.

Hibernation is an example of behavioral adaptaion.

a)

True

b)

False

48.

Environments change, but organisms do not.

a)

True

b)

False

49.

Food chains in an ecosystem have consumers but no producers.

a)

True

b)

False

50.

Almost all organisms depend on sunlight to live.

a)

True

b)

False