Energy is defined as the ability to ___ or cause change.

Do work

List the main forms of energy as mentioned in the content.

Kinetic, potential, thermal, chemical, and electrical energy

True or False: Energy is often efficiently transferred without any loss.

False. Energy is often wasted as heat due to friction or inefficiencies in energy transfer.

Energy can be stored in objects like ___ and fuels.

Food, batteries

What role does energy play in our daily lives according to the text?

Energy is crucial for tasks like moving vehicles, heating homes, and powering electronic devices.

Riddle: I can be stored in batteries and food, but I am not visible. What am I?

Energy

Fill in the blank: Understanding energy helps us comprehend how things ___ and how to use energy efficiently.

Work

What happens to energy when it is transferred to do work, such as lighting a lamp?

It can perform tasks like lighting a lamp, heating a stove, or moving objects.

What is the primary energy source for humans and animals?

Food provides the necessary energy for movement and change in humans and animals.

Fill in the blank: Vehicles such as buses and cars use ___ as their energy source.

Fuel

True or False: Batteries store energy by utilizing mechanical energy from movement.

False. Batteries store energy due to chemical reactions that generate electric current.

What type of energy do moving objects possess?

Moving objects store energy known as kinetic energy.

Riddle: I am stored when an object is raised high; I help in generating electricity when water flows by. What am I?

Gravitational potential energy

What is thermal energy and how is it related to temperature?

Thermal energy is the energy stored in hot objects due to the motion of tiny particles. The higher the temperature, the more thermal energy is stored.

Fill in the blank: Energy transfer involves a decrease in the energy of the source and an increase in the energy of another ___ or its surroundings.

Object