Dễ
This scientist formulated the law of universal gravitation
Isaac Newton
This is the planet known as the "Red Planet."
Mars
This scientist developed the theory of natural selection.
Charles Darwin
it’s the study of space
This passport allows visa-free or visa-on-arrival access to the most countries (2024)
Singaporean passport
This invention by Alexander Graham Bell revolutionized communication
the telephone?
This global positioning system uses satellites to determine location
GPS
This country is famous for its high-speed trains called “Shinkansen”
Japan
The area where goods are stored before transport
You use me to go places, but I stay in one place. What am I?
a map
Water boils at this temperature in Celsius
100*C
A place of historical or cultural interest visited by tourists
an attraction
This word means “study of the Earth”
Geology
the scientific study of the way the human mind works and how it influences behaviour, or the influence of a particular person's character on their behaviour
Psychology
I stop cars but have no hands. I shine at night but I’m not the moon. What am I?
A traffic light
The black box in airplanes is actually this color
This word means a brief journey or visit for fun
Trip
A 10-letter word that means the surroundings where an organism lives.
environment
A phrase means" start a journey"
Hit the road
The more you take me, the more you leave behind. What am I?
footsteps
A substance made from two or more elements chemically bonded together
A compound
The first car company to mass-produce automobiles
Ford
This is a network of computers linked worldwide
The Internet
Problem:
Lan rode her bicycle from her house to the library, which is 12 kilometers away.
She traveled at a constant speed of 4 kilometers per hour.
After staying at the library for an hour, she rode back home at a speed of 6 kilometers per hour.
Question:
How long did the entire trip take, including the time she stayed at the library?
Solution Steps (optional, if needed for teaching):
Time to go to the library = distance ÷ speed = 12 km ÷ 4 km/h = 3 hours
Time at the library = 1 hour
Time to return home = 12 km ÷ 6 km/h = 2 hours
Total time = 3 + 1 + 2 = 6 hours
This field studies how substances react with one another
Chemistry