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