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Science 6 - Unit 1 and 2 review

Total questions: 88

Worksheet time: 2hrs 25mins

Name
Class
Date
1.

I am a plant,

My habitat is in the water

My leaves big and thin.

What am I?

a)

b)

c)

d)

2.

Animals with a backbone are called...

a)

Invertebrates

b)

Vertebrates

c)

Exoskeletons

3.

Animals no bones inside their bodies are called

a)

Invertebrates

b)

Vertebrates

c)

Exoskeletons

4.

Which animals are invertebrates?

a)
b)
c)
d)
5.

What can be used to sort and identify living things?

a)

Identification hats

b)

Identification keys

c)

Identification cards

6.

Which animals are vertebrates?

a)
b)
c)
d)
7.

Identification keys use _____

a)

Yes/No questions

b)

Yes/Maybe/No questions

c)

Yes questions only

8.

What do all birds have?

a)

Feathers

b)

Wings

c)

4 legs

d)

All birds can fly

9.

Which animal is an amphibian?

a)
b)
c)
d)
10.

Observe the identification key carefully. Animal A is a _________

a)

cat

b)

frog

c)

bird

d)

fish

11.

Observe the identification key carefully. Animal B is a _________

a)

cat

b)

frog

c)

bird

d)

fish

12.

Observe the identification key carefully. Animal D is a _________

a)

cat

b)

frog

c)

bird

d)

fish

13.

What type of pollution is caused by exhaust fumes?

a)

water pollution

b)

air pollution

c)

litter

14.
What are fossil fuels?
a)
Dinosaur bones
b)
Resources made from once living organisms 
c)
Combination of different rocks
d)
Gas Stations
15.
Why is burning fossil fuels harmful? 
a)
then we won't have any fossil fuels if we burn them all
b)
They can get extremely hot
c)
Increases the amount of greenhouse gases in the air
d)
this would destroy fossils
16.

What does the enhanced greenhouse effect cause?

a)

Ice to form on the poles

b)

Global Tempature falling

c)

Global Tempature Rise

d)

Soil erosion

17.
Which of the following is not a fossil fuel
a)
Coal
b)
Electricity
c)
Oil
d)
Natural Gas
18.

What is littering?

a)

Throwing garbage on the ground instead of in a trash can

b)

Picking up garbage that other people threw away

c)

Rescuing animals that got sick from eating garbage

d)

Holding onto garbage until you find a trash can

19.

Why is littering dangerous to animals?

a)

Small animals can get trapped in cans and bottles on the ground.

b)

Eating litter can make animals sick.

c)

Animals can get hurt by broken glass and other sharp litter.

d)

All of the answers are correct.

20.

How can we solve the littering problem?

a)

Make sure your trash is secure.

b)

Participate in a community clean-up day.

c)

Educate others.

d)

All of the answers are correct.

21.

Which choice is better for the environment?

a)

single-use plastic bottle

b)

reusable water bottle

22.

Select all the bacteria

a)

Streptocococcus

b)

diplococus

c)

staphylococcus

d)

COVID-19

23.

Which fungi is made of one cell only

a)

Yeast

b)

mushrooms

c)

moulds

24.

Who created the two part naming system for naming species

a)

Elon Musk

b)

Carl Linnaeus

c)

Black Pink

d)

Mr. Owen

25.

What is conservation?

a)

Saving natural resources.

b)

Watching television throughout the day.

c)

Using natural and human resources.

d)

Leaving the watering running.

26.

True of False. I should help reduce pollution.

a)

True

b)

False

27.

Pick All of the R's of Conservation.

a)

Reduce

b)

Reuse

c)

Recycle

d)

Remind

28.

To reduce the use of plastic bags is to ...

a)

Use less plastic bags.

b)

Use more plastic bags.

c)

Use the same amount.

d)

None of the above.

29.

Is coal renewable or nonrenewable?

a)

Renewable

b)

Nonrenewable

30.

Is Natural Gas renewable or nonrenewable?

a)

nonrenewable

b)

renewable

31.

Is wind renewable or nonrenewable?

a)

Renewable

b)

Nonrenewable

32.

This energy is from moving air.

a)

Wind Energy

b)

Geothermal Energy

c)

Fossil Fuel Energy

d)

Biofuel

33.

This is electrical energy that comes from the force of energy of moving water. It is the most widely used type of renewable energy.

a)

Coal

b)

Hydroelectric Power

c)

Wind Energy

d)

Geothermal Energy

34.

Match the following

a)

1.

Quarry

b)

2.

deforestation

c)

3.

Soil erosion

d)

4.

Landfill

e)

5.

Recycling bins

35.

What carries oxygen around the body?

a)

Plasma

b)

Red Blood Cells

c)

Platelets

d)

White Blood Cells

36.

What causes the blood to be red?

a)

Haemoglobin (Iron)

b)

Glucose

c)

Hormones

d)

Oxygen

37.

Which of the following is NOT a type of blood vessel?

a)

Artery

b)

Capillary

c)

Vein

d)

Ventricle

38.

What is the function (job) of the platelets?

a)

To form clots (i.e. scabs) when you have cuts and grazes.

b)

To transport oxygen to the muscles

c)

To carry dissolved sugars.

d)

To produce antibodies

39.

What is the function (job) of the white blood cells?

a)

To transport oxygen around the body.

b)

To carry dissolved sugars.

c)

To clot and cover wounds like cuts and grazes.

d)

To fight disease or infections

40.

What is the function (job) of the plasma?

a)

To release antibodies to fight infections.

b)

To transport oxygen around the body.

c)

To carry dissolved nutrients and sugars.

d)

To transport oxygen around the body.

41.

Which blood vessels take blood TO the heart?

a)

Veins

b)

Arteries

c)

Capillaries

42.

Which blood vessels take blood AWAY from the heart?

a)

Veins

b)

Arteries

c)

Capillaries

43.

What type of blood do the arteries usually carry?

a)

Oxygenated Blood

b)

Deoxygenated Blood

44.

Which is the smallest of the 3 blood vessels?

a)

Veins

b)

Arteries

c)

Capillaries

45.

What is blood made of?

a)

oxygen and plasma

b)

red blood cells and white blood cells

c)

plasma, red blood cells, white blood cells, and platelets.

d)

plasma and platelets

46.

What is plasma?

a)

only white blood cells

b)

only red blood cells

c)

fluid part of blood

d)

haemoglobin

47.
Name the system that carries blood throughout the body 
a)
respiratory system
b)
Nervous system 
c)
Muscular system 
d)
circulatory system 
48.
This is an image of what organ? 
a)
Lungs 
b)
life 
c)
heart 
d)
Liver
49.

How can a doctor check this organ is working properly

a)

Listen to your heartbeat

b)

Use a machine

c)

take your pulse (b.p.m)

d)

listen with a stethoscope

e)

All of the above are correct

50.
This is an image of what organ? 
a)
Liver 
b)
Kidneys 
c)
Lungs 
d)
Heart
51.
Which of the following is an example of an organ?
a)
Lungs 
b)
Breath 
c)
Feet 
d)
Wrist 
52.
Which of the following is NOT  an example of organs? 
a)
Lungs 
b)
hearts 
c)
kidneys 
d)
All of the about are examples of organs 
53.

What is a group of cells that are alike and work together?

a)

a cell team

b)

a tissue

c)

a cell family

54.

A group of tissues that work together is a(n) ______________________.

a)

cell

b)

organ

c)

organ system

55.

Organs that work together are part of a(n) ________________________.

a)

cells

b)

tissue

c)

organ system

56.

A group of organ systems makes a(n)...

a)

Tissue

b)

Organ

c)

Organ system

d)

organism

57.

What is the correct order of organization?

a)

cells->tissue->organs->organ systems-> organism

b)

tissue->cells->organs->organ systems-> organism

c)

organs->organ systems-> organism->cells->tissue

58.

What organ is this?

a)

heart

b)

stomach

c)

lungs

d)

brain

59.

What organ is this?

a)

heart

b)

lungs

c)

liver

d)

stomach

60.

What does the liver do?

a)

it makes bile and helps us breath

b)

makes bile to help with digestion and cleans your blood

c)

it breaks down your food and cleans your blood

d)

none of these answers are correct

61.

Jimmy has to get dialysis a few times a week. Which organ isn't working well?

a)

Kidneys

b)

lungs

c)

heart

d)

brain

62.

Antibiotics do not destroy viruses. They only work on (a)  

63.

Select the correct definition for antibiotics.

a)

Chemicals which destroy bacteria.

b)

Chemicals which destroy fungi.

c)

Chemicals which destroy viruses.

d)

Chemicals which destroy parasites.

64.
Washing your hands is the _________ effective strategy for preventing the spread of disease?
a)
least
b)
most
65.
Athlete's foot is an example of this pathogen
a)
Bacteria
b)
Virus
c)
Fungus
d)
Protozoan
66.
bacteria diseases can be cured with antibiotics
a)
true
b)
false
67.

Based on the picture below, which one is healthy food?

a)
b)
c)
d)
68.

We need to drink more……if want to stay healthy.

a)
b)
69.

Which one is very good for our bone and teeth?

a)
b)
70.
How does calcium help our body?
a)
Builds muscle
b)
Helps eyesight
c)
Develops red blood cells
d)
Builds strong bones
71.
Which nutrient is our body's MAIN source of energy?
a)
Carbohydrates
b)
Fats
c)
Water
d)
Minerals
72.
Seafood is a type of protein.
a)
True
b)
False
c)
Maybe
73.
Cereal is a type of a grain.
a)
True
b)
Maybe
c)
False
74.
How can you tell what the main ingredient in a food is?
a)
the first ingredient on the food label
b)
the last ingredient on the food lable
c)
the one with the highest percentage
d)
the amount of calories
75.
You just had a hard work out and your muscles are sore! which nutrient should you be trying to get to repair your muscles?
a)
carbohydrates
b)
fat
c)
water
d)
protein
76.

which nutrient gives us energy AND insulates (keeps us warm)

a)
carbohydrates
b)
fat
c)
water
d)
protein
77.
Which of the following are proteins?
a)
arugula
b)
Strawberries
c)
tortilla
d)

Eggs, fish and meat

78.
What measures energy in food?
a)
Calories
b)
Ruler
c)
Thermometer
d)
Food label
79.
Which foods contain calcium and are good for building strong bones?
a)
Dairy
b)
Grains
c)
Fruits
d)
Vegetables
80.
What nutrient keeps our bodies hydrated?
a)
Vitamins and Minerals
b)
Protein
c)
Water
d)
Carbohydrates
81.

What is the function of enzymes

a)

reaborbs water

b)

breaks down large nutrients into small nutrients

c)

controls the body

d)

lets gases in and ouit of the body

82.

What organ(s) are these?

a)

The kidneys

b)

The liver

c)

The heart

d)

The lungs

83.

What organ is this?

a)

The lungs

b)

The liver

c)

The brain

d)

The kidneys

84.

Which organ is responsible for thinking, memories, and telling other parts of your body what to do?

a)
b)
c)
d)
85.

Nutrients are absorbed here

A
B
C
86.

Starch begins to be broken down here using the enzyme amalayse

A
B
C
87.

Name the parts of the central nervous system

a)

brain

b)

brain and nerves

c)

brain and spine

d)

spine

88.

What is fish rich in?

a)

Protein

b)

Carbohydrate

c)

fat

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