WorksheetsBài nâng cao 1
Total questions: 100
Worksheet time: 50mins
The planet famous for its "Great Red Spot" (một cơn bão lớn) is ___
Jupiter
Mars
Venus
Saturn
Venus is the hottest planet in our solar system, even though Mercury is closer to the Sun.
True
False
Which planet is the "odd one out" (không cùng nhóm)?
Jupiter
Saturn
Uranus
Mars
Earth has day and night because:
it rotates on its axis.
it moves around the Sun.
it is flat.
it is closer to the Moon.
A person who travels into space is called an ___
Astronaut
Biologist
Engineer
Pilot
The Moon produces its own light.
True
False
A group of stars forming a pattern in the sky is called a ___
Constellation
Galaxy
Asteroid
Meteor
Sự khác biệt giữa "rotate" (tự quay) và "revolve" (quay quanh) là gì?
"Rotate" là tự quay quanh trục của chính nó, còn "revolve" là quay quanh một vật thể khác.
"Rotate" là quay quanh một vật thể khác, còn "revolve" là tự quay quanh trục của chính nó.
"Rotate" và "revolve" đều có nghĩa là quay quanh một vật thể khác.
"Rotate" và "revolve" đều có nghĩa là tự quay quanh trục của chính nó.
Which is NOT a planet in our Solar System?
Earth
Mars
Pluto
Neptune
What is the capital of France?
Paris
London
Berlin
Fill in the blank: The largest planet in our solar system is ____.
Jupiter
Mars
Venus
Mercury
True or False: The Earth is flat.
True
False
Which of the following is an odd one out?
Apple
Banana
Carrot
Grape
What is the boiling point of water?
100°C
90°C
80°C
Fill in the blank: The process of photosynthesis occurs in ____.
plants
animals
fungi
bacteria
Water freezes at 0°C.
True
False
Which of the following is a mammal?
Shark
Dolphin
Octopus
Goldfish
Fill in the blank: The chemical symbol for gold is ____.
Au
Ag
Fe
Pb
True or False: The sun rises in the west.
True
False
Turning off lights when you leave a room is an example of energy ___.
Conservation
Production
Wastage
Transfer
A slide at the playground is an example of an ___ ___. (2 words)
Inclined plane
Pulley system
Lever arm
Wedge tool
A seesaw is a type of pulley.
True
False
A pulley (ròng rọc) makes work easier by:
changing the direction of the force needed to lift an object.
increasing the weight of the object.
making the object lighter.
reducing the distance the object needs to be moved.
Which item is NOT used as a "wedge" (cái nêm)?
A knife (Con dao)
An axe (Cái rìu)
A steering wheel (Vô lăng)
A doorstop (Cái chặn cửa)
A bicycle is a "compound machine" (máy phức hợp). Which of the following is a simple machine found on a bicycle?
Wheel and axle
Electric motor
Solar panel
Battery
A screw is actually an inclined plane wrapped around a cylinder.
True
False
The fixed point that a lever pivots on is called the ___
Fulcrum
Axle
Pulley
Load
A pair of scissors is made up of which two simple machines?
Lever and wedge
Pulley and wheel
Inclined plane and screw
Wheel and axle
When water falls from the sky as rain, snow, or hail, it is called ___.
Precipitation
Evaporation
Condensation
Transpiration
Evaporation is when water vapor in the air turns into liquid clouds.
True
False
Transpiration (sự thoát hơi nước) là gì?
Quá trình cây thải hơi nước qua lá
Quá trình cây hấp thụ nước từ đất
Quá trình cây tạo ra oxy
Quá trình cây hấp thụ khí CO2
Which is NOT a form of precipitation (hiện tượng mưa)?
Rain (Mưa)
Snow (Tuyết)
Cloud (Mây)
Hail (Mưa đá)
The three states (thể) of water are ___, ___, and ___.
Solid (rắn), Liquid (lỏng), Gas (khí)
Solid (rắn), Plasma (plasma), Liquid (lỏng)
Liquid (lỏng), Gas (khí), Plasma (plasma)
Solid (rắn), Gas (khí), Plasma (plasma)
The sun's energy causes evaporation.
True
False
Water that flows over the land (dòng chảy) and back into rivers or lakes is called ___.
Runoff
Evaporation
Condensation
Infiltration
The water that forms clouds comes from:
the oceans and other bodies of water
the sun
the wind
the mountains
Which of these is NOT a simple machine?
Lever
Pulley
Battery
Screw
A flagpole (cột cờ) uses a ___ to raise the flag.
Pulley
Lever
Wheel
Screw
Which of these is NOT a main part of the water cycle?
Evaporation
Condensation
Pollution
Collection
Water stored underground in rocks and soil is called ___.
Groundwater
Surface water
Rainwater
Evaporation
The ___ system (hệ thống) sends electrical signals all over your body.
Nervous system
Digestive system
Respiratory system
Circulatory system
Your stomach is part of the respiratory system.
True
False
We breathe IN _______ and breathe OUT _______.
oxygen, carbon dioxide
carbon dioxide, oxygen
nitrogen, oxygen
oxygen, nitrogen
Which organ (cơ quan) cleans your blood?
Heart (Tim)
Lungs (Phổi)
Kidneys (Thận)
Brain (Não)
The red liquid that carries oxygen and nutrients around your body is ___
Blood
Saliva
Sweat
Urine
The small intestine absorbs nutrients from your food.
True
False
The bone that protects your brain is the ___
Skull
Femur
Rib
Humerus
The main job of the skeleton (bộ xương) is:
to support and protect the body
to help digest food
to pump blood
to produce hormones
A list of steps to complete a task or solve a problem is called an ___
Algorithm
Variable
Loop
Function
A "loop" in coding makes the program stop.
True
False
What is "debugging"?
Finding and fixing mistakes (bugs) in the code.
Writing new features for a program.
Designing the user interface of an application.
Translating code into different languages.
(Odd One Out) Which block in Scratch would you use to make a decision?
Move
Wait
If...Then
Say
(Fill-in-the-blank) An "If...Then" statement is also called a ___.
Conditional
Loop
Array
Function
In coding, "sequence" means the order of the steps is not important.
True
False
A ___ is a place to store information (like a score) that can change.
Variable
Constant
Function
Loop
What is the difference between an "input" and an "output"?
Input is information given TO the computer; output is information the computer gives you.
Input is information the computer gives you; output is information you give to the computer.
Input and output are the same thing in computing.
Input is only used for printing documents; output is only used for saving files.
(Odd One Out) Which is NOT one of the five senses?
Sight
Hearing
Thinking
Smell
(Fill-in-the-blank) ___ are attached to bones and pull them to make you move.
Muscles
Veins
Nerves
Ligaments
Which is NOT a programming language or tool?
Scratch
Python
Algorithm
Code.org
Binary code (mã nhị phân) uses only two numbers: ___ .
0 and 1
1 and 2
2 and 3
8 and 9
The "brain" of the robot that follows instructions is the ___
Controller / CPU
Sensor
Actuator
Chassis
A sensor (cảm biến) helps a robot move.
True
False
One difference between a robot and a simple remote-control car is:
A robot can perform tasks autonomously, while a remote-control car requires direct human control.
A remote-control car can think for itself, while a robot cannot.
A robot is always smaller than a remote-control car.
A remote-control car is programmed to make decisions on its own, while a robot is not.
Which part senses the environment?
Camera
Motor (Động cơ)
Touch Sensor (Cảm biến chạm)
Microphone
A motor, which makes a robot move, is an example of an ___
Actuator
Sensor
Processor
Transmitter
All robots look like humans (humanoid).
True
False
A robot designed to fly is often called a ___.
Drone
Submarine
Bulldozer
Excavator
Name one job (task) that robots are good at in a factory.
Building cars
Cooking food
Painting portraits
Writing novels
Which is NOT usually part of a robot?
Battery
Sensor
Roots
Controller
Giving a robot instructions (code) is called ___.
Programming
Painting
Dancing
Sleeping
"Reduce, Reuse, and ___" are the three R's.
Recycle
Remove
Replace
Refuse
Plastic bags are "biodegradable".
True
False
Why is "reducing" (using less) often better than "recycling"?
Recycling still uses energy and water to make new things. Reducing saves the resource completely.
Recycling always creates more waste than reducing.
Reducing is only important for plastic, not other materials.
Recycling is illegal in most countries.
Which item is "compostable"?
An apple core
A glass bottle
An aluminum can
A plastic toy
The natural home of an animal or plant is its ___.
Habitat
Climate
Region
Territory
Planting trees helps reduce carbon dioxide (CO2) in the air.
True
False
The slow warming of the Earth caused by air pollution is called ___ ___. (2 words)
Global warming
Acid rain
Ozone depletion
Greenhouse effect
An "endangered species" is:
a species at risk of extinction
a species that is very common
a species that lives only in water
a species that is newly discovered
Which is a type of air pollution?
Litter
Smog
Oil spill
Pesticides
A ___ bag (like a cloth bag) can be used many times, "reducing" the need for plastic bags.
Reusable
Disposable
Plastic
Single-use
A butterfly has ___ symmetry.
Bilateral
Radial
Asymmetrical
Spherical
A starfish has bilateral symmetry.
True
False
A "fractal" is:
a complex geometric shape that can be split into parts, each of which is a reduced-scale copy of the whole
a type of polygon with equal sides
a straight line segment
a regular three-dimensional object
Which one usually shows a "spiral" pattern?
A river
A snail shell
A brick wall
A beehive
The number sequence 0, 1, 1, 2, 3, 5, 8... is called the ___ sequence.
Fibonacci
Arithmetic
Geometric
Lucas
All snowflakes look exactly the same.
True
False
A beehive (honeycomb) is made of six-sided shapes called ___
Hexagons
Pentagons
Triangles
Squares
Why is a hexagon (hình lục giác) a good shape for bees to use in their honeycomb?
It fits together perfectly with no gaps and is very strong.
It is the easiest shape for bees to draw.
It is the most colorful shape.
It is the only shape bees can see.
Which pattern is LEAST common in nature?
Fractals
Spirals
Perfect square grids
Symmetry
The study of shapes (hình học) is called ___
Geometry
Biology
Chemistry
Algebra
___ (Canxi), found in milk, helps build strong bones and teeth.
Calcium
Iron
Potassium
Magnesium
"Oxidation" (Ô-xi hóa) is the process that makes a cut apple turn brown.
True
False
What is one way to "preserve" (bảo quản) food to make it last longer?
Freezing
Painting
Burning
Melting
Which food is mainly a "protein" (chất đạm)?
Rice (Cơm)
Chicken (Thịt gà)
Apple (Táo)
Carrot (Cà rốt)
(Fill-in-the-blank) The things in food our body needs (like vitamins, protein, fats) are called ___.
Nutrients
Calories
Minerals
Sugars
Eating only sugar and candy gives you a "balanced diet" (chế độ ăn cân bằng).
True
False
(Fill-in-the-blank) ___ (Chất béo), like butter or oil, are a food group that stores energy.
Fats
Proteins
Carbohydrates
Vitamins
Putting salt on meat (like beef jerky) makes it last longer because:
Salt draws out moisture, preventing bacteria from growing.
Salt adds flavor, making the meat taste better.
Salt makes the meat softer and easier to chew.
Salt changes the color of the meat, making it look fresher.
Which is NOT a method of cooking food?
Boiling (Luộc)
Freezing (Làm đông)
Roasting (Nướng)
Frying (Chiên/Rán)
(Fill-in-the-blank) The process where yeast (men) eats sugar and releases gas (khí) to make bread rise is called ___
Fermentation
Photosynthesis
Respiration
Evaporation
