FRCS Fifth grade science chapter 6 checkup

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Turbine

A wheel of curved blades that spins a driveshaft; changes the force exerted by things such as wind or pressurized gases into Ratary motion

Matter

Anything that takes up space and has mass

Combustion

Burning

Fluid

Concert info from one place to another such as a liquid or gas

Chemical energy

Energy that is stored in the Bonds to hold molecules and chemical compounds together

Octane number

I number indicating the antiknock of quality of a gasoline

Lodestones

Pieces of naturally magnetized Iron ore

Potential energy

Stored energy

Engine

Such devices that can convert energy from natural sources into useful work

Energy

The ability to do work

Kinetic energy

The energy of motion

Gravity

The force of attraction that exists between any pair of objects

Friction

The force that resists motion

Condenser

The place for the old steam goes where it is cooled and change back into water

wind mills

What Devices have been developed to harness wind power?

Oxygen rich compounds

What are oxidants?

A water wheel

What device was developed to harness the power of moving water?

The contract

What happens when like poles or charges are brought close together

They attract

What happens when opposite poles or charges are brought close together?

propellant

What is produced when oxidants and chemical fuels are mixed together?

212°F and 100°C

What is the boiling and condensation point of water?

32°F and 0°C

What is the melting and freezing point of water?

liquid fuel rocket

What is the other type of rocket?

Condensation Point

What is the temperature at which a gas changes into a liquid? What is that called?

Boiling point

What is the temperature at which a liquid changes into a gas? What is that called?

Freezing point

What is the temperature at which a liquid changes into a solid? What is that called?

Melting point

What is the temperature at which a solid changes into a liquid? What is that called?

Defusion

What is the tendency of gases to spread themselves out thinly

Transfer of energy

When one object gives some or all of its energy to another object

Gases and liquids

Which states of matter have no permanent shape?

The rocket

Which type of engine carries its own supply of oxygen?

The steam engine

Which type of internal combustion engine produces no spark?

solid fuel rocket

Which type of rocket uses propellants?

Because ice has little holes in it to let air in and water does not have the little holes to let air in

Why is ice lighter than liquid water?

Missile

a guided military rocket

Payload

the cargo that is carried in the nose of a rocket

Work

A result of a force moving an object

Piston

A disc that moves back-and-forth inside a hollow cylinder

Contact force

A force that occurs when one object pushes against another object

Cylinder

A hollow cylinder shaped compartment in which a piston moves back and forth in an engine

Ramjet

A jet engine that can function only at high speed because it has no turbine

Turboprop

A jet engine used to power a propeller

Turbofan

A jet engine with a large fan at the very front

A. Force

A push or a pull


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