1. 101. WE MEASURE WEIGHT IN:
• a) litres
• b) grams
• c) volume
• d) meters

2. 102. LIVING AND NO-LIVING THINGS
ARE MADE UP OF:
• a) sand
• b) matter
• c) sand and matter
• d) water

3. 103. THE SPACE THAT AN OBJECT
OCCUPIES IS:
• a) volume
• b) matter
• c) water
• d) weight

4. 104. MATTER HAS THREE STATES:
• a) solid and liquid
• b) solid and gas
• c) solid, liquid and gas
• d) liquid and gas

5. 105. MATERIALS ARE CLASIFIED IN:
• a) natural materials and water
• b) water and sand
• c) grams and litres
• d) natural materials and artificial
materials

6. 106. WOOD IS:
• a) solid
• b) liquid
• c) gas
• d) liquid and gas

7. 107. PAPER AND GLASS ARE:
• a) man-made materials
• b) natural materials
• c) chemical materials
• d) the states of water

8. 108. WHERE CAN WE FIND MINERALS?
• a) in the sea
• b) in the house
• c) under the ground and rocks
• d) in the sky

9. 109. MINERALS ARE:
• a) natural materials
• b) plastic materials
• c) artificial materials
• d) made of water

10. 110. THE PROPERTIES OF THE
MINERALS ARE:
• a) colour and shape
• b) shine and colour
• c) shape, hardness, shine and colour
• d) shape and shine

11. 111. WE USE GOLD TO MAKE:
• a) jewellery
• b) minerals
• c) matter
• d) metals

12. 112. COMMON PROPERTIES OF MATTER
ARE:
• a) volume and flexibility
• b) volume and mass
• c) volume and strenght
• d) mass and strenght

13. 113. ROCKS ARE:
• a) natural materials
• b) artificial materials
• c) plastic materials
• d) made of water

14. 114. ROCKS ARE MADE UP OF:
• a) water
• b) sand
• c) water and sand
• d) one or more minerals

15. 115. WE EXTRACT MINERALS FROM
ROCKS TO..
• a) make metals
• b) make plastics
• c) make toys
• d) clean things

16. 116. WE USE WOOD TO MAKE
• a) plastic
• b) trees
• c) paper
• d) minerals

17. 117. POINT THE TRUE SENTENCE.
• a) it is not very important to recycle
plastic.
• b) plastic is a natural material.
• c) it is very important to recycle
• plastic.
• d) plastic is made of wood.

18. 118. WE SMELL THINGS USING OUR:
• a) mouth
• b) nose
• c) eyes
• d) ears

19. 119. POINT THE FALSE SENTENCE.
• a) perfume has a pleasant smell
• b) water has a nice smell
• c) water has no smell
• d) water is liquid

20. 120. WE USE A RULER TO MEASURE:
• a) volume
• b) lenght
• c) weight
• d) volume and weight

21. 121. WHAT IS HEAT?
• a) heat makes an object colder
• b) heat makes an object hotter
• c) heat is a warm house
• d) heat is a cold house

22. 122. THE SOURCES OF HEAT CAN BE:
• a) very big
• b) very small
• c) natural and artificial
• d) nothing

23. 123. THE SUN:
• a) heats the Earth
• b) heats the radiator
• c) heats the house
• d) heats the car

24. 124. THE TEMPERATURE OF AN OBJECT
TELL US:
• a) how big is it
• b) how long is it
• c) how hot is it
• d) nothing

25. 125. HOW DO WE MEASURE
TEMPERATURE?
• a) with thermometres
• b) with the body
• c) with a ruler
• d) with the sun

26. 126. WE SEE OBJECTS BECAUSE..
• a) of temperature
• b) of the water
• c) of light
• d) of the eyes

27. 127. WHAT IS A NATURAL SOURCE OF
LIGHT?
• a) the tree
• b) the Sun
• c) the house
• d) the bulb

28. 128. THE PRIMARY COLOURS OF LIGHT
ARE:
• a) red, green and blue
• b) red, green and white
• c) red, yellow and blue
• d) blue, red and brown

29. 129. OBJECTS THAT ABSORB ALL THE
COLOURS OF LIGHT ARE:
• a) black
• b) red
• c) white
• d) yellow

30. 130. LIGHT TRAVELS AT SPEED OF:
• a) 300.000 metres per second
• b) 300.000 Km per hour
• c) 300.000 Km per second
• d) 300.000 metres per hour

31. 131. WHEN AN OBJECT VIBRATES..
• a) the Sun shines
• b) sound is produced
• c) sings a song
• d) the stars shine

32. 132. WE USE TELESCOPES TO..
• a) see insects
• b) see people
• c) see planets and stars
• d) see plants

33. 133. MIRRORS REFLECT:
• a) the numbers
• b) our image
• c) the insects
• d) the sky

34. 134. TO MAKE THAT VERY SMALL
OBJECTS APPEAR BIGGER WE USE:
• a) microscopes
• b) a mirror
• c) the Sun
• d) telescopes

35. 135. GLASSES HELP PEOPLE
• a) to see worst
• b) to see animals
• c) to see better
• d) to see the dolphins

36. 136. AN ECHO..
• a) is a toy
• b) is an animal
• c) is a reflection of sound
• d) is a voice

37. 137. CAN SOUND TRAVEL THROUGH
WATER?
• a) no, it can´t
• b) yes, it can
• c) sometimes
• d) never

38. 138. THE SUN IS AN ARTIFICIAL
SOURCE OF LIGHT
• a) yes, it is
• b) no, it isn´t
• c) sometimes
• d) never

39. 139. MATERIALS DO NOT ALLOW LIGHT
TO PASS ARE:
• a) translucent
• b) broken
• c) opaque
• d) transparent

40. 140. MATERIALS ALLOW LIGHT TO PASS
ARE:
• a) transparent
• b) opaque
• c) translucent
• d) new

41. 141. WHAT IS ENERGY?
• a) energy is a metal
• b) energy is an animal
• c) energy doesn´t make objects move
• d) energy makes objects move

42. 142. WHERE DOES ENERGY COME
FROM?
• a) energy comes from the Sun and oil
• b) energy comes from oil and coal
• c) energy comes from water and oil
• d) energy comes from the Sun, oil,
coal, water and wind

43. 143. POINT THE CORRECT SENTENCE
• a) humans don´t need energy to live
• b) humans need energy to live
• c) humans need fuel to live
• d) humans need petrol to live

44. 144. THE GROUPS WE CAN DIVIDE
ENERGY SOURCES ARE:
• a) Sun and oil
• b) oil and petrol
• c) renewable and non-renewable
sources
• d) renewable and petrol

45. 145. THE SUN AND THE WIND ARE:
• a) fossil fuels
• b) renewable energy sources
• c) non-renewable energy sources
• d) electricity

46. 146. OIL AND COAL ARE:
• a) non-renewable energy sources
• b) renewable energy sources
• c) forces of nature
• d) food

47. 147. COAL IS:
• a) a sedimentary rock
• b) a plant
• c) an animal
• d) a natural gas

48. 148. WE USE OIL TO MAKE:
• a) plants
• b) newspapers
• c) fuel
• d) water

49. 149. CARS, PLANES AND OTHER
VEHICLES USE ______ TO MOVE.
• a) water
• b) fuel
• c) gravity
• d) coal

50. 150. COAL, OIL AND NATURAL GAS ARE:
• a) unlimited resources
• b) big resources
• c) limited resources
• d) renewable energy sources

51. 151. NATURAL GAS IS USED FOR..
• a) drinking
• b) eating
• c) playing
• d) cooking and heating

52. 152. WHAT DOES THE SUN PRODUCE?
• a) the Sun produces electricity
• b) the Sun produces oil
• c) the Sun produces fuel
• d) the Sun produces solar energy

53. 153. HOW DO WE TRANSFORMATE
SOLAR ENERGY INTO ELECTRICITY?
• a) with the Sun
• b) with water
• c) with solar panels
• d) with fuel

54. 154. TO MAKE ELECTRICITY FROM WIND
ENERGY WE USE:
• a) wind
• b) water
• c) wind turbines
• d) solar electricity

55. 155. GROUPS OF WINDS TURBINES ARE
LOCATED IN..
• a) the sea
• b) solar panels
• c) windy places
• d) dry places

56. 156. THE ENERGY THAT MAKES WATER
MOVE IS CALLED:
• a) dry energy
• b) water energy
• c) solar energy
• d) wind energy

57. 157. WE USE ____ IN OUR CARS.
• a) electricity
• b) petrol
• c) natural gas
• d) water

58. 158. ELECTRICITY TRAVELS TO OUR
HOUSES THROUGH..
• a) natural gas
• b) petrol
• c) cables
• d) water

59. 159. WE USE NATURAL GAS TO..
• a) eat
• b) drink
• c) sleep
• d) heat our homes and for cooking

60. 160. FOR SAVING ELECTRICITY WE
MUST..
• a) switch of the light when we leave
the room
• b) switch on the light when we leave
the room
• c) switch on the music player when we
are not using it
• d) leave the fridge door open for too
long

61. 161. OIL IS A
• a) dark liquid
• b) natural gas
• c) sedimentary rock
• d) solar energy

62. 162. WHY DO WE USE MACHINES?
• a) they make our work easier
• b) they make our work more difficult
• c) they don´t help us
• d) they don´t work

63. 163. LEVERS AND RAMPS ARE:
• a) compound machines
• b) not machines
• c) simple machines
• d) big machines

64. 164. WHEELS AND PULLEYS ARE:
• a) compound machines
• b) simple machines
• c) broken machines
• d) big machines

65. 165. LEVERS MAKE IT EASIER TO..
• a) open windows
• b) close windows
• c) lift heavy objects
• d) down heavy objects

66. 166. WE USE RAMPS TO MOVE HEAVY
OBJECTS..
• a) up or down
• b) from right to left
• c) from left to right
• d) in water

67. 167. WE USE WHEELS IN:
• a) cars and bycicles
• b) houses
• c) boats
• d) animals

68. 168. WE USE PULLEYS TO:
• a) open windows
• b) close windows
• c) open doors
• d) lift or lower objects

69. 169. COMPOUND MACHINES ARE UP OF:
• a) various simple machines
• b) water
• c) water and sand
• d) sand

70. 170. NAME TWO COMPOUND MACHINES
• a) levers and ramps
• b) ramps and wheels
• c) scissors and cars
• d) wheels and levers

71. 171. GEARS ARE MADE UP OF:
• a) levers
• b) pulleys
• c) wheels
• d) ramps

72. 172. IN WHICH MACHINES DO WE USE
GEARS?
• a) in scissors
• b) in pulleys
• c) in ramps
• d) in bycicles

73. 173. WE USE BRAKES TO..
• a) go more slowly or stop
• b) go up
• c) go down
• d) open doors

74. 174. WE USE FRIDGES TO..
• a) keep food warm
• b) keep food cold
• c) cook
• d) iron

75. 175. WE USE WASHING MACHINES TO:
• a) wash the house
• b) wash the floor
• c) wash our clothes
• d) do the homework

76. 176. WHICH ELECTRICAL APPLIANCE DO
WE USE TO WASH OUR CLOTHES?
• a) a fridge
• b) an iron
• c) a washing machine
• d) a door

77. 177. WHAT MACHINES DO WE USE AT
SCHOOL?
• a) irons and fridges
• b) computers and calculators
• c) washing machines and fridges
• d) iron and washing machines

78. 178. A BIKE IS A:
• a) electric machine
• b) pulley
• c) compound machine
• d) simple machine

79. 179. THE _____ ARE AN IMPORTANT
PART OF VEHICLES
• a) pulleys
• b) wheels
• c) glasses
• d) seats

80. 180. SCISSORS ARE AN EXAMPLE OF
• a) manual tool
• b) motor bike
• c) train
• d) bike