Science reviewer by J**** T*****o

Who invented the videophone?

• Geminiano De Ocampo

• Gregorio Zara

• Fe Del Mundo

• Alexander Graham Bell

Who is foreign scientist?

• Edward Jenner

• Fe Del Mundo

• Scientist

• NONE

What did Fe Del Mundo invent?

• A portable ultrasound machine.
• An advanced surgical tool for pediatric care.
• A new type of vaccine for infants.
• The first incubator for newborns.

HUH

• Huh1

• HUh2

• Huh3

• uh4

What is sound energy?

• Sound energy is the energy produced by electrical devices.
• Sound energy is the energy stored in chemical bonds.
• Sound energy is the energy generated by solar panels.
• Sound energy is the energy associated with the vibration of particles in a medium that produces sound waves.

What is light energy?

• Light energy is the energy produced by sound waves.
• Light energy is the energy produced by electromagnetic radiation that is visible to the human eye.
• Light energy is the energy generated by heat.
• Light energy is the energy stored in chemical bonds.

Define heat energy?

• Heat energy is the energy associated with the gravitational pull of an object.
• Heat energy is the energy produced by electrical currents in a circuit.
• Heat energy is the energy that comes from the temperature of matter, resulting from the kinetic energy of particles.
• Heat energy is the energy stored in chemical bonds of molecules.

What scientific attitudes are needed to be a scientist?

• Curiosity, skepticism, open-mindedness, and commitment to evidence-based reasoning.
• Blind acceptance of popular theories
• Indifference to new ideas
• Focus on personal beliefs over evidence

How can you be sure that an object underwent a chemical change?

• Chemical changes can only be identified through smell.
• An object changes shape to indicate a chemical change.
• The object must be heated to confirm a chemical change.
• You can be sure an object underwent a chemical change if it is hard to reverse or irreversible.

What is true about magnets?

• Magnets have north and south poles, attract iron, and create a magnetic field.
• Magnets only have one pole.
• Magnets repel all metals equally.
• Magnets do not produce any fields.