Microwaves cause food molecules to rub together causing friction which creates heat and cooks the foods from within.

Small, even pieces cook more quickly than one large piece of the same.

you can put metal or tinfoil in the microwave

the container the food is in will not get hot in a microwave

which is more energy efficient when cooking?

microwaves are safe to use for

(select all that apply)

microwaves are reflected by ______

microwaves pass through certain substances, such as _______

(select all that apply)

Microwaves are ____ by food and liquids causing the molecules of the food to agitate

microwaves cause food particles to rub together and produce friction, which in turn produces heat

Jude is about to heat his lunch in the microwave. What should he do before putting his food into the microwave?

which is more energy efficient when cooking?

Microwaves are ____ by food and liquids causing the molecules of the food to agitate

True or False.

Microwaves are energy on the electromagnetic spectrum and have a wavelength between 1 meter and 1 mm in length.

True or False.

Microwaves heat food (and are absorbed by) waters, fats, sugars, and not by most plastics, paper, and glass.

True or False.

Electromagnets have both electric and magnetic energy.

True or False.

Before microwaves were found to cook food, radiation was used by the military to detect enemy aircraft, which was called radar.

Video:

Heat can be transferred in three ways. What are they?

(Select the correct answers)

True or False.

Radiation is the transfer of energy without having contact (through air and space)

When you walk on the hot sand from the sun, the reason you may not be able to stand (touch the sand) long is because of what type of energy?

(Choose one)

Sun heats the sand at the beach by which form of energy?

Microwaves bounce off metal because of:

True or False.

Both a conventional oven and microwave oven use heat to cook food?

Which of the following items absorb microwaves?

Check all that apply

Check the following items that reflect microwaves. Check all that apply.

Which material neither reflects or absorbs microwaves?

(Check ALL that apply)

Which container is NOT safe for the microwave?