Open Sci Ed Microwave

These waves make water molecules vibrate and warm up.

• Gamma

• Microwaves

• Radio

• Ultraviolet

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What is the primary function of a microwave oven?

• To heat food using electromagnetic radiation

• To cook food using infrared radiation

• To freeze food using cryogenic technology

• To bake food using convection currents

Tags

NGSS.MS-PS4-2

Which type of electromagnetic wave is used in microwave ovens?

• Radio waves

• Microwaves

• Infrared waves

• Ultraviolet waves

What is the typical frequency range of microwaves used in household microwave ovens?

• 300 MHz to 3 GHz

• 2.45 GHz

• 5 GHz to 10 GHz

• 30 GHz to 300 GHz

How do microwaves heat food?

• By causing water molecules to vibrate

• By ionizing the food particles

• By creating a magnetic field

• By emitting visible light

Tags

NGSS.MS-PS1-4

What safety feature prevents microwaves from escaping the oven?

• A metal mesh on the door

• A plastic cover

• A glass window

• A rubber seal

Tags

NGSS.MS-ETS1-1

Which of the following materials is safe to use in a microwave oven?

• Metal

• Plastic

• Glass

• Wood

What is the effect of microwaving food in a metal container?

• It heats the food evenly

• It causes sparks and potential fire

• It enhances the flavor

• It cools the food down

Tags

NGSS.MS-PS4-2

Why is it important to stir or rotate food during microwaving?

• To prevent the food from burning

• To ensure even cooking

• To increase cooking speed

• To reduce energy consumption

Tags

NGSS.MS-PS1-4

What is the role of the turntable in a microwave oven?

• To rotate the food for even cooking

• To increase the power of microwaves

• To cool down the microwave

• To enhance the flavor of food