101. WE MEASURE WEIGHT IN:
a) litresb) gramsc) volumed) meters
102. LIVING AND NON-LIVING THINGS ARE MADE UP OF:
a) sandb) matterc) sand and matterd) water
103. THE SPACE THAT AN OBJECT OCCUPIES IS:
a) volumeb) matterc) waterd) weight
104. MATTER HAS THREE STATES:
a) solid and liquidb) solid and gasc) solid, liquid and gasd) liquid and gas
105. MATERIALS ARE CLASSIFIED IN:
a) natural materials and waterb) water and sandc) grams and litresd) natural materials and artificial materials
106. WOOD IS:
a) solidb) liquidc) gasd) liquid and gas
107. PAPER AND GLASS ARE:
a) man-made materialsb) natural materialsc) chemical materialsd) the states of water
108. WHERE CAN WE FIND MINERALS?
a) in the seab) in the housec) under the ground and rocksd) in the sky
109. MINERALS ARE:
a) natural materialsb) plastic materialsc) artificial materialsd) made of water
110. THE PROPERTIES OF THE MINERALS ARE:
a) colour and shapeb) shine and colourc) shape, hardness, shine and colourd) shape and shine
111. WE USE GOLD TO MAKE:
a) jewelleryb) mineralsc) matterd) metals
112. COMMON PROPERTIES OF MATTER ARE:
a) volume and flexibilityb) volume and massc) volume and strenghtd) mass and strenght
113. ROCKS ARE:
a) natural materialsb) artificial materialsc) plastic materialsd) made of water
114. ROCKS ARE MADE UP OF:
a) waterb) sandc) water and sandd) one or more minerals
115. WE EXTRACT MINERALS FROM ROCKS TO..
a) make metalsb) make plasticsc) make toysd) clean things
116. WE USE WOOD TO MAKE
a) plasticb) treesc) paperd) minerals
117. POINT THE TRUE SENTENCE.a) it is not important to recycle plastic.b) plastic is a natural material.c) it is important to recycle plastic.d) plastic is made of wood.
118. WE SMELL THINGS USING OUR:
a) mouthb) nosec) eyesd) ears
119. POINT THE FALSE SENTENCE.
a) perfume has a pleasant smellb) water has a nice smellc) water has no smelld) water is liquid
120. WE USE A RULER TO MEASURE:
a) volumeb) lenghtc) weightd) volume and weight
121. WHAT IS HEAT?
a) heat makes an object colderb) heat makes an object hotterc) heat is a warm housed) heat is a cold house
122. THE SOURCES OF HEAT CAN BE:
a) very bigb) very smallc) natural and artificiald) none
123. THE SUN:
a) heats the Earthb) heats the radiatorc) heats the housed) heats the car
124. THE TEMPERATURE OF AN OBJECT TELLS US:
a) how big it isb) how long it isc) how hot it isd) nothing
125. HOW DO WE MEASURE TEMPERATURE?
a) with thermometresb) with the bodyc) with a rulerd) with the sun
126. WE SEE OBJECTS BECAUSE..
a) of temperatureb) of the waterc) of lightd) of the eyes
127. WHAT IS A NATURAL SOURCE OF LIGHT?
a) a treeb) the Sunc) a housed) a bulb
128. THE PRIMARY COLOURS OF LIGHT ARE:
a) red, green and blueb) red, green and whitec) red, yellow and blued) blue, red and brown
129. OBJECTS THAT ABSORB ALL THE COLOURS OF LIGHT ARE:
a) blackb) redc) whited) yellow
130. LIGHT TRAVELS AT SPEED OF:
a) 300.000 metres per secondb) 300.000 Km per hourc) 300.000 Km per secondd) 300.000 metres per hour
131. WHEN AN OBJECT VIBRATES..
a) the Sun shinesb) sound is producedc) sings a songd) the stars shine
132. WE USE TELESCOPES TO..
a) see insectsb) see peoplec) see planets and starsd) see plants
133. MIRRORS REFLECT:
a) the numbersb) our imagec) the insectsd) the sky
134. TO MAKE THAT VERY SMALL OBJECTS APPEAR BIGGER WE USE:
a) microscopesb) a mirrorc) the Sund) telescopes
135. GLASSES HELP PEOPLE
a) to see worseb) to see animalsc) to see betterd) to see the dolphins
136. AN ECHO..
a) is a toyb) is an animalc) is a reflection of soundd) is a voice
137. CAN SOUND TRAVEL THROUGH WATER?
a) no, it can´tb) yes, it canc) sometimesd) never
138. THE SUN IS AN ARTIFICIAL SOURCE OF LIGHT
a) yes, it isb) no, it isn´tc) sometimesd) never
139. MATERIALS DO NOT ALLOW LIGHT TO PASS ARE:
a) translucentb) brokenc) opaqued) transparent
140. MATERIALS ALLOW LIGHT TO PASS ARE:
a) transparentb) opaquec) translucentd) new
141. WHAT IS ENERGY?
a) energy is a metalb) energy is an animalc) energy doesn´t make objects moved) energy makes objects move
142. WHERE DOES ENERGY COME FROM?
a) energy comes from the Sun and oilb) energy comes from oil and coalc) energy comes from water and oild) energy comes from the Sun, oil, coal, water and wind
143. POINT THE CORRECT SENTENCE
a) humans don´t need energy to liveb) humans need energy to livec) humans need fuel to lived) humans need petrol to live
144. THE GROUPS WE CAN DIVIDE ENERGY SOURCES ARE:
a) Sun and oilb) oil and petrolc) renewable and non-renewable sourcesd) renewable and petrol
145. THE SUN AND THE WIND ARE:
a) fossil fuelsb) renewable energy sourcesc) non-renewable energy sourcesd) electricity
146. OIL AND COAL ARE:
a) non-renewable energy sourcesb) renewable energy sourcesc) forces of natured) food
147. COAL IS:
a) a sedimentary rockb) a plantc) an animald) a natural gas
148. WE USE OIL TO MAKE:
a) plantsb) newspapersc) fueld) water
149. CARS, PLANES AND OTHER VEHICLES USE ______ TO MOVE.
a) waterb) fuelc) gravityd) coal
150. COAL, OIL AND NATURAL GAS ARE:
a) unlimited resourcesb) big resourcesc) limited resourcesd) renewable energy sources
151. NATURAL GAS IS USED FOR..
a) drinkingb) eatingc) playingd) cooking and heating
152. WHAT DOES THE SUN PRODUCE?
a) the Sun produces electricityb) the Sun produces oilc) the Sun produces fueld) the Sun produces solar energy
153. HOW DO WE TRANSFORMATE SOLAR ENERGY INTO ELECTRICITY?
a) with the Sunb) with waterc) with solar panelsd) with fuel
154. TO MAKE ELECTRICITY FROM WIND ENERGY WE USE:
a) windb) waterc) wind turbinesd) solar electricity
155. GROUPS OF WINDS TURBINES ARE LOCATED IN..
a) the seab) solar panelsc) windy placesd) dry places
156. THE ENERGY THAT MAKES WATER MOVE IS CALLED:
a) dry energyb) water energyc) solar energyd) wind energy
157. WE USE ____ IN OUR CARS.
a) electricityb) petrolc) natural gasd) water
158. ELECTRICITY TRAVELS TO OUR HOUSES THROUGH..
a) natural gasb) petrolc) cablesd) water
159. WE USE NATURAL GAS TO..
a) eatb) drinkc) sleepd) heat our homes and for cooking
160. FOR SAVING ELECTRICITY WE MUST..
a) switch of the light when we leave the roomb) switch on the light when we leave the roomc) switch on the music player when we are not using itd) leave the fridge door open for too long
161. OIL IS A
a) dark liquidb) natural gasc) sedimentary rockd) solar energy
162. WHY DO WE USE MACHINES?
a) they make our work easierb) they make our work more difficultc) they don´t help usd) they don´t work
163. LEVERS AND RAMPS ARE:
a) compound machinesb) not machinesc) simple machinesd) big machines
164. WHEELS AND PULLEYS ARE:
a) compound machinesb) simple machinesc) broken machinesd) big machines
165. LEVERS MAKE IT EASIER TO..
a) open windowsb) close windowsc) lift heavy objectsd) down heavy objects
166. WE USE RAMPS TO MOVE HEAVY OBJECTS..
a) up or downb) from right to leftc) from left to rightd) in water
167. WE USE WHEELS IN:
a) cars and byciclesb) housesc) boatsd) animals
168. WE USE PULLEYS TO:
a) open windowsb) close windowsc) open doorsd) lift or lower objects
169. COMPOUND MACHINES ARE UP OF:
a) various simple machinesb) waterc) water and sandd) sand
170. NAME TWO COMPOUND MACHINES
a) levers and rampsb) ramps and wheelsc) scissors and carsd) wheels and levers
171. GEARS ARE MADE UP OF:
a) leversb) pulleysc) wheelsd) ramps
172. IN WHICH MACHINES DO WE USE GEARS?
a) in scissorsb) in pulleysc) in rampsd) in bycicles
173. WE USE BRAKES TO..
a) go more slowly or stopb) go upc) go downd) open doors
174. WE USE FRIDGES TO..
a) keep food warmb) keep food coldc) cookd) iron
175. WE USE WASHING MACHINES TO:
a) wash the houseb) wash the floorc) wash our clothesd) do the homework
176. WHICH ELECTRICAL APPLIANCE DO WE USE TO WASH OUR CLOTHES?
a) a fridgeb) an ironc) a washing machined) a door
177. WHAT MACHINES DO WE USE AT SCHOOL?
a) irons and fridgesb) computers and calculatorsc) washing machines and fridgesd) iron and washing machines
178. A BIKE IS A:
a) electric machineb) pulleyc) compound machined) simple machine
179. THE _____ ARE AN IMPORTANT PART OF VEHICLES
a) pulleysb) wheelsc) glassesd) seats
180. SCISSORS ARE AN EXAMPLE OF:
a) manual toolb) motor bikec) traind) bike