SUMMATIVE TEST SCIENCE 7

Which of the following statements relates science to technology?

• Yeasts reproduces by budding.          

• Yeasts produces froth during fermentation.

• Yeasts is a yellowish gray fungus.

• Yeasts breakdown the sugar in the fruit juices to produce wine.

Which of the following is NOT supported by any scientific knowledge?

• An object thrown upward naturally falls down.

• Soaking wood in salty water is a good practice.

• Knocking on wood prevents bad luck.

• Light travels faster than sound.

Which of the following research questions can you answer by doing experiment?

• Why is the same side of the moon seen from the Earth at all times?

• What is the average number of children in Filipino families?

• Which soil type (sand, clay, and loam) can hold the greatest amount of water?

• Up to what age do turtles live?

Which of the following hypothesis CANNOT be tested?

• Friction between two surfaces may be reduced by the use of lubricants.

• Materials with a density lower than that of water will float on water.

• A violent volcanic eruption is God’s curse.

• Different amount of salt that the rice variety can hold.

Which of the following is dangerous to do inside the science laboratory?

• To identify a gas released by a chemical reaction in the beaker.

• In diluting an acid, the students slowly adds the acid to the water.

• The students keep alcohol and other flammable liquids away from the Bunsen burner.

• The students reads the instruction very well before performing laboratory activity.

Which of the following measurements has three significant figures?

• 52 feet           

• 6.1 Km           

• 58.714 lb.

• 0.00323Kg

Which of the following is a qualitative observation?

• The car race was finished in 15 minutes.

• Kokey’s height is 3 meters only.

• Cham’s body heat is not due to fever.

• The Earth rotates in its axis 24 hours a day.

Which of the following scientific skills is used in sorting things into group using criterion?

•                  Classifying     

• Inferring 

• Observing

• Analyzing

How many weeks are there in 265 days?

• 52.14 Weeks                                         

• 48 Weeks    

• 91.25 Weeks  

• 60 Weeks

Which of the following is a correct metric equivalent?

                                  

• 1000L = 1mL 

• 1000mg = 1g

• 1000Kg = 1g  

• 1000cm = 1 m