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General Test

Total questions: 61

Worksheet time: 58mins

Name
Class
Date
1.

What does your heart do?

a)

pumps blood through your body

b)

protects your body

c)

helps your exercize

2.

Blood carries ____________ to the heart.

a)

vitamins

b)

germs

c)

oxygen

3.

Your heart pumps blood throughout your entire body through little tubes called _____________.

a)

veins

b)

arteries

c)

hoses

4.

Blood is carried back to your heart in little tubes called ____________.

a)

veins

b)

arteries

c)

hoses

5.

Which is NOT a way to exercise your heart?

a)

Running

b)

Sitting on the couch

c)

Swimming

6.

Which is a good way to keep your heart healthy?

a)

Eating healthy foods

b)

Playing video games

c)

Eating greasy foods

7.

Which describes all the parts of the circulatory system?

a)

heart, lungs, stomach, muscles

b)

heart, blood, arteries, and veins

c)

bones, skin, hair

8.
The main function of the red blood cells is to 
a)
allow gases to exchange
b)
fight infection
c)
give blood its color
d)
help clot blood
9.
White blood cells
a)
allow for gases to exchange
b)
give blood its color
c)
fight infection and disease
d)
help clot blood
10.
Platelets 
a)
allow for gases to exchange
b)
give blood its color
c)
fight infection and disease
d)
help clot blood
11.
Oxygen rich blood leaves the heart through the
a)
right atrium
b)
left atrium 
c)
right ventricle
d)
right atrium
12.

What protects the body against blood loss?

a)

Clots formed by clusters of leukocytes.

b)

Clots formed by platelets and blood proteins.

c)

Masses of erythrocytes and erythrocyte fragments.

d)

Constriction of capillaries in the damaged area.

13.
What part of blood is responsible for carrying oxygen and carbon dioxide to body cells?
a)
Red Blood Cells
b)
White Blood Cells
c)
Platelets
d)
Plasma
14.
What part of blood is responsible for fighting infections?
a)
Red Blood Cells
b)
White Blood Cells
c)
Platelets
d)
Plasma
15.

if an acid is diluted it

a)

has a large amount of water mixed into it

b)

has a small amount of water mixed into it

c)

is very 'acidus' sour

d)

is corrosive and cannot be eaten

16.

To neutralise an acid you add a

a)

acid

b)

base

c)

Ph indicator

d)

equal amount of water

17.
What is matter
a)
Anything which is solid
b)
Anything that takes up space and has mass
c)
when something is wrong
18.

which 2 are almost the same/the same?

a)

boiling

b)

condensation

c)

evaporation

d)

melting

e)

freezing

19.

what is the process of solid turning to liquid and liquid to gas?(use---as arrows)

(a)  

20.

Diffusion can only occur in...

a)

solids, liquids and gases

b)

solids and liquids

c)

liquids and gases

d)

gases and solids

21.
The 7th Element on the periodic table
a)
Helium
b)
Nitrogen
c)
Oxygen
d)
Sulfur
22.
What is the chemical symbol for Silicon?
a)
S
b)
Sr
c)
Si
d)
SO
23.

The atomic number of oxygen is

a)

8

b)

15.9994

c)

16

d)

O

24.

Evaporation is the change of state from

a)

Solid to liquid

b)

Liquid to gas

c)

Gas to solid

d)

Gas to liquid

25.

You can find 2 elements in the periodic table with the same symbol.

a)

True

b)

False

26.

The state of matter that takes the shape of the container is

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

27.

In which state of matter are particles moving the slowest?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

28.

A measure of how much mass is contained in a given unit of volume.

a)

mass

b)

volume

c)

density

29.

Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?

a)

28 g

b)

14 mL

c)

7 g/cm3

d)

2 g/mL

30.

What is the function of a carbohydrate?

a)

Provides energy

b)

Stores genetic information

c)

Builds up muscles

31.

What are the building blocks of proteins?

a)

Carbon atoms

b)

Hydrogen atoms

c)

Amino acids

32.

Particles in a ______________________ have more energy than the other states of matter.

a)

gas

b)

liquid

c)

solid

33.

Which has a greater distance between particles?

a)

Solid

b)

Liquid

34.

Hypothesis is a systematic way of solving a problem

a)

TRUE

b)

FALSE

35.

Chemistry is the study of matter, its properties.

a)

TRUE

b)

FALSE

36.

Arrange the steps of the scientific method.



A. State the hypothesis

B. Ask a question

C. Analyze the results

D. Conduct an experiment

E. Make a conclusion

a)

ABCD

b)

BADCE

c)

ECBA

d)

DCBAE

37.

What do we need to make things move?

a)

Energy

b)

Food

c)

Legs

d)

Feet

38.

What does it mean when we say something is 'a source of energy'? Pick the best definition.

a)

It is something which has energy stored in it which can be used.

b)

By consuming it, it gives us the ability to move.

c)

Another way of saying source of food.

39.

Which of the following are sources of energy?

a)

Sun

b)

Waves

c)

Wind

d)

Coal

e)

All of the options

40.

What does it mean if something is a non-renewable source of energy?

a)

It cannot be reused

b)

It cannot be replenished

c)

There is a limited supply

d)

None of the above

41.

Which of these are renewable energy sources.

a)

Coal

b)

Natural gas

c)

Sunlight

d)

Wind

e)

Crude oil

42.

Which of these are renewable energy sources.

a)

Coal

b)

Natural gas

c)

Sunlight

d)

Wind

e)

Crude oil

43.

Which type of renewable energy uses the movement of air to generate electricity?

a)

Wind

b)

Sun

c)

Hydro (water)

d)

Geothermal (earth)

44.

Air, water, trees, rocks and minerals, soil, coal, and oil are all examples of which type of resource?

a)

Renewable resources

b)

Natural resources

c)

Nonrenewable resources

d)

Inexhaustible resources

45.

Why are fossil fuels like coal, oil, and natural gas called nonrenewable resources?

a)

They can be replaced.

b)

They can be recycled.

c)

They cannot be easily replaced.

d)

They can be made in factories.

46.

Solar Power is a __________ energy resource.

a)

Renewable

b)

Nonrenewable

47.

____________ is the ability to cause change.

a)

Energy

b)

Friction

c)

Force

d)

Motion

48.

The faster an object moves, the ________ kinetic energy it has.

a)

less

b)

none of the above

c)

more

d)

all of the above

49.

The faster an object moves, the ________ kinetic energy it has.

a)

less

b)

none of the above

c)

more

d)

all of the above

50.

Can energy be destroyed?

a)

no

b)

yes

51.

If a man runs at a speed of 70 m/s, and has a time of 30 s. What is the distance he ran?

a)

2100 m

b)

0.233 m

c)

2.33 m

d)

300m

52.

Noah rides his bike 14 miles in 1 hour. What is his average speed in miles per hour?

a)

15

b)

1

c)

1 mph

d)

14 mph

53.
If you travel 10 miles in 5 minutes, what is your speed?
a)
10 mi/min
b)
15 mi/min
c)
50 mi/min
d)
2 mi/min
54.

Alan travels 100 km in 5 hrs. Find his average speed in km/h

a)

20 km/hr

b)

50 km/hr

c)

500 km/hr

d)

50 km

55.

Abigail roller skates with a constant speed of 12 km/hr. How far can she travel in 3 hours?

a)

48 km

b)

36 km

c)

3 km/hr

d)

48 km/hr

56.
What is the formula to calculate speed?
a)
S = t/d
b)
S = d/t
c)
S = d x t
d)
S = t x d
57.
Which of the following is a unit of speed ?
a)
sec
b)
mi
c)
m/s
d)
min
58.
What would have the greatest kinetic energy?
a)
A car driving down a hill.
b)
A person running down a hill. 
c)
A ball rolling down a hill. 
59.
What is kinetic energy?
a)
energy of work
b)
energy of motion
c)
energy of gravity
d)
energy of power
60.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
61.
What kind of energy is in a stretched rubber band?
a)
Potential
b)
Kinetic

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