It helped us find directions.
Compass
People can look at very small objects using a . . .
Microscope
What's this?
telephone
The thermometer was invented by . . .
Santorio Santorio
Unscramble this word : TETMOMHERER
THERMOMETER
What's this?
1930
What's this?
thermometer
What's this?
1772
Someone who has invented something, or whose job is to invent things.
Inventor
It is a soft gray powder.
Cement
The light bulb was invented by . . .
Thomas Alva Edison
What's this?
oxygen
Unscramble this word : EATLOVER
ELEVATOR
The telephone was invented by . . .
Alexander Graham Bell
The compass was invented by . . .
China's Han Dynasty
What's this?
1931
The elevator was invented by . . .
Elisha Otis
What's this?
seat belt
People can measure temperature with a . . .
Thermometer
What's this?
elevator
What's this?
1937
What's this?
Taj Mahal
What's this?
Golden Gate Bridge
What's this?
X-ray
What's this?
light bulb
Because of the invention of the . . . , people could build tall buildings.
Elevator
What's this?
Eiffel Tower
What's this?
1643
A . . . will keep you safe while driving.
Seat Belt
The seat belt was invented by . . .
Nils Bohlin
Unscramble this word : SAMPSOC
COMPASS
The cement was invented by . . .
Joseph Aspdin
Unscramble this word : TEPENELHO
TELEPHONE
What's this?
Pluto
What's this?
Empire State Building
The microscope was invented by . . .
Zacharias Janssen
What's this?
microscope
What's this?
1895
We use the . . . to make calls.
Telephone
What's this?
gravity
What's this?
compass
It helps us to see in the dark.
Light Bulb
What's this?
cement