Drag the tiles to the boxes to form correct pairs. As you’ve learned, different objects in space emit different wavelengths of electromagnetic radiation. Use the chart to match each of the following wavelengths to the correct region of the electromagnetic spectrum.

Tiles
3.4 × 10-3 m
4.66 × 10-9 m
7.7 × 10-5 m
5.33 × 10-7 m
16.3 m
Pairs
infrared
arrowBoth
radio
arrowBoth
x-rays
arrowBoth
visible light
arrowBoth
microwaves
arrowBoth

Which is not a characteristic of a heat pump? a. it is used in air conditioners. b. it uses a refrigerant. c. it requires no work. d. it reverses the normal flow of thermal energy.

You have two photos of a person walking. one shows the person at the corner of third and main streets, the other shows the person at the corner of tenth and main streets. there are lampposts at every corner in this town, and the first picture shows it to be 10: 32: 00 exactly. the second picture shows it to be 10: 49: 30. you know three facts: (1) all of the clocks are synchronized; (2) there are exactly 12 equal-sized blocks per kilometer in this town; and (3) the streets that cross main in this area are numbered consecutively, with no interruptions. what is the person’s average speed in kilometers per hour?

You can estimate the degree to which a bond between two atoms is ionic or covalent by calculating the