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101. WE MEASURE WEIGHT IN:
• a) litres• b) grams• c) volume• d) meters
102. LIVING AND NO-LIVING THINGS ARE MADE UP OF:
• a) sand• b) matter• c) sand and matter• d) water
103. THE SPACE THAT AN OBJECT OCCUPIES IS:
• a) volume• b) matter• c) water• d) weight
104. MATTER HAS THREE STATES:
• a) solid and liquid• b) solid and gas• c) solid, liquid and gas• d) liquid and gas
105. MATERIALS ARE CLASIFIED IN:
• a) natural materials and water• b) water and sand• c) grams and litres• d) natural materials and artificial
materials
106. WOOD IS:
• a) solid• b) liquid• c) gas• d) liquid and gas
107. PAPER AND GLASS ARE:
• a) man-made materials• b) natural materials• c) chemical materials• d) the states of water
108. WHERE CAN WE FIND MINERALS?
• a) in the sea• b) in the house• c) under the ground and rocks• d) in the sky
109. MINERALS ARE:
• a) natural materials• b) plastic materials• c) artificial materials• d) made of water
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
111. WE USE GOLD TO MAKE:
• a) jewellery• b) minerals• c) matter• d) metals
112. COMMON PROPERTIES OF MATTER ARE:
• a) volume and flexibility• b) volume and mass• c) volume and strenght• d) mass and strenght
113. ROCKS ARE:
• a) natural materials• b) artificial materials• c) plastic materials• d) made of water
114. ROCKS ARE MADE UP OF:
• a) water• b) sand• c) water and sand• d) one or more minerals
115. WE EXTRACT MINERALS FROM ROCKS TO..
• a) make metals• b) make plastics• c) make toys• d) clean things
116. WE USE WOOD TO MAKE
• a) plastic• b) trees• c) paper• d) minerals
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.
118. WE SMELL THINGS USING OUR:
• a) mouth• b) nose• c) eyes• d) ears
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
120. WE USE A RULER TO MEASURE:
• a) volume• b) lenght• c) weight• d) volume and weight
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
122. THE SOURCES OF HEAT CAN BE:
• a) very big• b) very small• c) natural and artificial• d) nothing
123. THE SUN:
• a) heats the Earth• b) heats the radiator• c) heats the house• d) heats the car
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
125. HOW DO WE MEASURE TEMPERATURE?
• a) with thermometres• b) with the body• c) with a ruler• d) with the sun
126. WE SEE OBJECTS BECAUSE..
• a) of temperature• b) of the water• c) of light• d) of the eyes
127. WHAT IS A NATURAL SOURCE OF LIGHT?
• a) the tree• b) the Sun• c) the house• d) the bulb
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
129. OBJECTS THAT ABSORB ALL THE COLOURS OF LIGHT ARE:
• a) black• b) red• c) white• d) yellow
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
131. WHEN AN OBJECT VIBRATES..
• a) the Sun shines• b) sound is produced• c) sings a song• d) the stars shine
132. WE USE TELESCOPES TO..
• a) see insects• b) see people• c) see planets and stars• d) see plants
133. MIRRORS REFLECT:
• a) the numbers• b) our image• c) the insects• d) the sky
134. TO MAKE THAT VERY SMALL OBJECTS APPEAR BIGGER WE USE:
• a) microscopes• b) a mirror• c) the Sun• d) telescopes
135. GLASSES HELP PEOPLE
• a) to see worst• b) to see animals• c) to see better• d) to see the dolphins
136. AN ECHO..
• a) is a toy• b) is an animal• c) is a reflection of sound• d) is a voice
137. CAN SOUND TRAVEL THROUGH WATER?
• a) no, it can´t• b) yes, it can• c) sometimes• d) never
138. THE SUN IS AN ARTIFICIAL SOURCE OF LIGHT
• a) yes, it is• b) no, it isn´t• c) sometimes• d) never
139. MATERIALS DO NOT ALLOW LIGHT TO PASS ARE:
• a) translucent• b) broken• c) opaque• d) transparent
140. MATERIALS ALLOW LIGHT TO PASS ARE:
• a) transparent• b) opaque• c) translucent• d) new
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
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
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
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
145. THE SUN AND THE WIND ARE:
• a) fossil fuels• b) renewable energy sources• c) non-renewable energy sources• d) electricity
146. OIL AND COAL ARE:
• a) non-renewable energy sources• b) renewable energy sources• c) forces of nature• d) food
147. COAL IS:
• a) a sedimentary rock• b) a plant• c) an animal• d) a natural gas
148. WE USE OIL TO MAKE:
• a) plants• b) newspapers• c) fuel• d) water
149. CARS, PLANES AND OTHER VEHICLES USE ______ TO MOVE.
• a) water• b) fuel• c) gravity• d) coal
150. COAL, OIL AND NATURAL GAS ARE:
• a) unlimited resources• b) big resources• c) limited resources• d) renewable energy sources
151. NATURAL GAS IS USED FOR..
• a) drinking• b) eating• c) playing• d) cooking and heating
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
153. HOW DO WE TRANSFORMATE SOLAR ENERGY INTO ELECTRICITY?
• a) with the Sun• b) with water• c) with solar panels• d) with fuel
154. TO MAKE ELECTRICITY FROM WIND ENERGY WE USE:
• a) wind• b) water• c) wind turbines• d) solar electricity
155. GROUPS OF WINDS TURBINES ARE LOCATED IN..
• a) the sea• b) solar panels• c) windy places• d) dry places
156. THE ENERGY THAT MAKES WATER MOVE IS CALLED:
• a) dry energy• b) water energy• c) solar energy• d) wind energy
157. WE USE ____ IN OUR CARS.
• a) electricity• b) petrol• c) natural gas• d) water
158. ELECTRICITY TRAVELS TO OUR HOUSES THROUGH..
• a) natural gas• b) petrol• c) cables• d) water
159. WE USE NATURAL GAS TO..
• a) eat• b) drink• c) sleep• d) heat our homes and for cooking
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
161. OIL IS A
• a) dark liquid• b) natural gas• c) sedimentary rock• d) solar energy
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
163. LEVERS AND RAMPS ARE:
• a) compound machines• b) not machines• c) simple machines• d) big machines
164. WHEELS AND PULLEYS ARE:
• a) compound machines• b) simple machines• c) broken machines• d) big machines
165. LEVERS MAKE IT EASIER TO..
• a) open windows• b) close windows• c) lift heavy objects• d) down heavy objects
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
167. WE USE WHEELS IN:
• a) cars and bycicles• b) houses• c) boats• d) animals
168. WE USE PULLEYS TO:
• a) open windows• b) close windows• c) open doors• d) lift or lower objects
169. COMPOUND MACHINES ARE UP OF:
• a) various simple machines• b) water• c) water and sand• d) sand
170. NAME TWO COMPOUND MACHINES
• a) levers and ramps• b) ramps and wheels• c) scissors and cars• d) wheels and levers
171. GEARS ARE MADE UP OF:
• a) levers• b) pulleys• c) wheels• d) ramps
172. IN WHICH MACHINES DO WE USE GEARS?
• a) in scissors• b) in pulleys• c) in ramps• d) in bycicles
173. WE USE BRAKES TO..
• a) go more slowly or stop• b) go up• c) go down• d) open doors
174. WE USE FRIDGES TO..
• a) keep food warm• b) keep food cold• c) cook• d) iron
175. WE USE WASHING MACHINES TO:
• a) wash the house• b) wash the floor• c) wash our clothes• d) do the homework
176. WHICH ELECTRICAL APPLIANCE DO WE USE TO WASH OUR CLOTHES?
• a) a fridge• b) an iron• c) a washing machine• d) a door
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
178. A BIKE IS A:
• a) electric machine• b) pulley• c) compound machine• d) simple machine
179. THE _____ ARE AN IMPORTANT PART OF VEHICLES
• a) pulleys• b) wheels• c) glasses• d) seats
180. SCISSORS ARE AN EXAMPLE OF
• a) manual tool• b) motor bike• c) train• d) bike