Q3_EXAM IN SCIENCE 1

As a student, you study, you sometimes do chores at home and other activities. What makes you able to do all these?

• a.    Food                                               

• b.    Water         

• c. Sun

                                    

•    d. Energy

If the sun is the main source of energy. What if sun does not exist?

• a.    Plants cannot make their own food.

  b.   

• b. Humans who eat plants will die.

• c. There will be lots of animals.

•   d. All of the above

At home our television, refrigerator, and rice cooker suddenly stopped running. What do you think happened?

• a.    The sun stopped shinning.

• b.    The appliances need to eat food.

• c.    The electricity cut-off.

• d.    Both a and b

A tambourine is an instrument. It make sound when someone shakes or hits it. Why does a tambourine make sound?

• a.    It gives vibration                                        

                                   

• b.    It give light                

• c. It gives heat

• d. it gives current

Dylan plays the drum. He hits the top of the drum with the sticks. The top of the drum vibrates. What does the vibrating drum make?

• a. sound   

• b. light

• c. heat

• d. movements

Food that is cooking on the stove is an example of what kind of energy?

• a. heat

• b. Light

• c. Sound

• d. Wind

Avery walks into her bedroom. It is dark and she cannot see anything. She flips on the light switch. A lamp turns on. She can now see her bed and everything else in her room. Which object is a light source?

• a. Bed

• b. Lamp 

• c. light switch

• d. blanket

What form of energy does the oven produce?

• a. Light

• b. Sound

• c. Heat

• d. Electricity

How can you conserve energy?

• a.    Keep the lights on when you sleep.

• b.    Watch TV while using the family computer.

• c.    Use the natural light from the sun during day time.

• d.    All of the above.

Which is not a safety measure in using energy from electricity?

• a.    Unplug the appliances not being used when you leave the house.

• b.    Keep the outlets within the reach of children.

• c.    Keep your hands dry when using electrical home appliances.

• d.    All of the above