Vocabulary
Machine Components
Compound Machines
Energy and Machines
Random
100

Humans make objects that simplify our lives, many of these are ____________.

Machines

100

What is a lever?

A lever is a rigid bar used to reduce the force necessary to lift.

100

What are the two types of engines?

Combustion and electrical

100

Energy resources that are used quickly and cannot be replaced are called _________.

Non-renewable

100

What is pollution?

Pollution contaminates the environment with the waste from using fossil fuels.

200

A machine with a few parts is a _________ ____________.

Simple Machine

200

What is a pulley?

A pulley works with a wheel and a rope to reduce necessary force to lift.

200

Give an example of a machine that uses an electrical engine.

Refrigerator

Washing machine

Dishwasher

200

Give 2 examples of renewable energy resources.

Water power

Solar Power

Wind Power

Bio-fuels

200

How does building a big factory affect the environment?

It destroys ecosystems.

300

A machine made of many parts, or many simple machines, is a _________ ___________.

Compound Machine

300

Another word for an inclined plane is ____________.

Ramp

300

Give an example of something that uses a combustion engine.

Car

Rocket

Lawn mower/weed whacker

300

Name different types of energy a machine might use.

Mechanical energy

Electrical energy

Energy from combustion/heat/fuels

Energy from wind or water


300

Name 2 machine components that a bicycle uses.

Gear

Wheel

Chain

400

Elements that link the different parts of a machine are called ____________.

Transmissions

400

What transmission is often paired with a wheel?

Axle or belt

400

Give an example of a machine that uses mechanical energy.

Scissors

Bicycle

Pencil sharpener

400

What are fossil fuels? Give examples. Are they renewable or non-renewable.

Oil, natural gas, coal

Non-renewable

400

Name 2 types of renewable energy Andalucia produces.

Wind and solar

maybe water

500

What are gears?

Gears are pairs of wheels with teeth that work with another gear or a chain.

500

Give an example of a simple machine that is used in the classroom.

Pulley to raise the blinds

Scissors

Pencil Sharpener

500

Are machines that have an engine simple or compound?

compound

500

Most of the energy sources we use now are _____________.

Non-renewable

500

Name a technology that was developed during prehistory.

Lathe

Wheel


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