Grade 7 MT Exam

What is the primary unit of energy in the International System of Units (SI)?

• Watt (W)

• Joule (J)

• Calorie (cal)

• Newton (N)

What type of thermometer measures temperature by observing gas pressure changes?

• Liquid-in-glass thermometer

• Platinum resistance thermometer

• Constant pressure gas thermometer

• Infrared thermometer

What is the main source of heat energy on Earth?

• The Moon

• The Sun

• Fossil fuels

• Volcanoes

Which of the following represents the energy transferred due to temperature differences?

• Kinetic energy

• Heat energy

• Electrical energy

• Potential energy

Which thermometer is specifically used to measure body temperature?

• Pyrometer

• Clinical thermometer

• Infrared thermometer

• Thermocouple thermometer

What type of energy is stored in the bonds of chemical compounds?

• Kinetic energy

• Chemical energy

• Thermal energy

• Nuclear energy

Which energy transformation occurs in solar panels?

• Kinetic to electrical

• Solar to electrical

• Chemical to thermal

• Electrical to mechanical

What unit is used to measure the energy provided by food?

• Joule

• Watt

• Calorie

• Volt

What formula is used to convert Celsius to Kelvin?

• K = °C × 273.15

• K = °C - 273.15

• K = °C + 273.15

• K = °C / 273.15

What is the energy generated by the movement of electrons called?

• Heat energy

• Potential energy

• Electrical energy

• Elastic energy