NATURAL SCIENCE 5. Energy. PRIMARY

Who invented the printing press in the...

• Johannes Gutenberg

• Jones Hamburguesen

• Thomas Edison

... is a ramp used to move objects up and down more easily.

• A pulley

• Don´t push me!

• An inclined plane

... created a system to send signals without cables.

• Nikola Tesla

• James Watt

• Guglielmo Marconi

A non-contact force...

• happens when two objects touch each other.

• acts at a distance.

• happens when two objects change their shape.

... energy comes through cables to our homes.

• Red Bull

• Electrical

• Light

Film, radio and television changed...

• culture and entertainment in the 20th century.

• health and entertainment in the 20th century.

• culture and entertainment in the 18th century.

... can do the work of many people.

• A strong man

• X-rays

• Industrial robots

When we pick up a book, we use...

• Our brain

• leg.

• force.

The ... used energy from coal to make machines work.

• computer

• steam engine

• 

When we use a ..., the force we apply to one arm is increased.

• lever

• magnet

• pulley