A force that acts in the direction of movement.

• Thrust
• Wind Energy
• Traditional Technologies
• Nuclear Energy

A force that acts in opposition to the direction of movement.

• Buoyant Force
• Drag
• Fossil Fuels
• Renewable Energy Resources

An upward force that acts to overcome the weight of a living thing or object and hold it in the air.

• Thrust
• Lift
• Hydro Energy
• Gravity

A force caused by gravity that acts on a living thing or object in a downward direction.

• Weight
• Buoyant Force
• Vertical Movement
• Lift

An upward force exerted by a fluid that opposes the weight of anything placed in the fluid.

• Buoyant Force
• Vertical Movement
• Traditional Technologies
• Horizontal Movement

Substances that flow and include liquids and gases. (Different from common usage of the word!)

• Hydro Energy
• Nuclear Energy
• Weight
• Fluids

The rate at which an object moves.

• Renewable Energy Resources
• Hydro Energy
• Buoyant Force
• Speed

Movement in a direction parallel to the horizon.

• Horizontal Movement
• Drag
• Weight
• Geothermal Energy

Movement up and down.

• Vertical Movement
• Nuclear Energy
• Fluids
• Lift

The height of an object above the Earth's surface.

• Altitude
• Lift
• Traditional Technologies
• Non-renewable Energy Resources