KSSM Form 2 Science Chapter 7

The S.I unit for energy is _____________.

• newton

• joule

• kilogram

• Kelvin

Food contain__________ energy.

• electrical

• chemical

• nuclear

• heat

When two different types of object are rubbed together, _______ are transferred from one object to the other.

• protons

• electrons

Same charges _______________ each other.

• attract

• repel

Which of the following instruments is required to detect static electrical charges?

• voltmeter

• electroscope

• milliammeter

• galvanometer

The flow of electric current can be measured by using ________________

• an ammeter

• a voltmeter

• an electroscope

The unit for measuring resistance is__________

• volt

• ampere

• ohm

• charge

In a series circuit, every component is controlled by the same switch.

• True

• False

The electrical wiring system in our homes is connected in _____________

• series

• parallel

Direction of electron flow is from the _________ terminal to the __________ terminal of an electrical source.

• positive ..... negative

• negative..... positive