ET-111

What are the building blocks of matter?

• Atoms

• Protons

• Cells

• Neutrons

Protons have what charge?

Positive

• Negative

• Neutral

• Positive

______ is anything that takes up space and has mass

• Matter

• Energy

• Element

• Molecules

What is the smallest unit of matter?

• Atom

• Element

• Cell

• Molecule

Which subatomic particle has a negative charge?

• Proton

• Neutron

• Electron

__________ move around the nucleus

• Protons

• Neutrons

• Electrons

• molecules

Electricity is another word for moving __________.

• electrons

• circuits

• move

• current

Which source is used in Solar thermal power station?

• Water

• Gas

• Sunlight

• Air

Which source is used in Hydroelectric power station?

• Air

• Sunlight

• Water

• Gas

What type of current did Edison promote?

• direct current (DC)

• static current

• alternating current (AC)

• indirect current