The strength of the force of gravity between two objects depends on _______ and _______.

_______ pulls objects towards the center of the Earth.

Two factors that affect friction are _______________.

Without friction, a moving object would not _______ until it strikes another object.

Identify the energy transformation from a battery to a flashlight.

Identify the energy transformation from an electrical outlet to a television.

Identify the energy transformation from food to cycling.

Heat flows from ________ objects to ________ objects due to differences in Temperature.

__________, __________ and __________ are types of heat transfer.

__________ is the average kinetic energy of the particle of an object/substance.

________ happens when heat flows from a higher temperature object to a lower temperature object until the two objects have the same temperature.

________ and ________ are examples of a conductor and insulator.

Determine the type of heat transfer in the picture of a foot on sand. Write (Co) conduction, (C) convection or (R) radiation in the blank.

Determine the type of heat transfer in the picture of air circulation. Write (Co) conduction, (C) convection or (R) radiation in the blank.

What type of heat transfer is shown in the image with a person sitting by a fireplace?

What type of heat transfer is demonstrated in the image with a pot of water on a stove?

What type of heat transfer is shown in the image with someone ironing clothes?