In a chemical change the combination of what changes

Name two finding that have emerged from experiment done in space

An apple is placed on a kitchen counter. How could the movement of the particles in the apple be decreased? A. Put it in the refrigerator B. Eat it for dinner C. Put it in the microwave D. Put it in the sunlight.

4. You have a frustrating day and just feel like screaming; you grab a pillow to scream into it. Which interaction of sound would take place here, (reflection, refraction or absorption), and how did the sound waves move?

A transfer of heat within a liquid or gas that involves warm particles moving in currents is a convection. b connection. c correction. d conduction.

Dexter uses a compass to walk 140m due east. What is his distance and displacement?

Which of the following statements are correct? 1. Electrons and protons have identical masses but opposite charges. 2. Most of an atom's mass is concentrated in a small, positively charged, nucleus. 3.

What are some changes that can be caused by sound energy?

A cheetah can run at 30 m/s, but only for about 12s. How far will it run in that time

A car is traveling 80 km/h if the car's speed remains constant how far will it have traveled in 3 hours a. 3km b. 26.7km c. 80 km d. 240 km

True or False? Gases such as water vapor condense when they are * heated*.