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