What planet is known as the Red Planet ?
Mars
What is the freezing point of water ? (in Celsius)
0°C
Fastest animal on land ?
Cheetah
What's this ?
DNA
An object that stores chemical energy and gives electricity
Battery
The only planet in the solar system known to have life
Earth
name the force that pulls everything toward the center of the Earth
Gravity
What's the chemical formula for water ?
H₂O
a layer of gases around Earth
Atmosphere
How many legs do insects have ?
six
Which organ helps us breathe ?
Lungs
What is this tool called ?
Microscope
Name at least 3 parts of a plant
root/ stem/ branch/ leaf/ flower/ bark...
What's the main gas in Earth's atmosphere ?
Nitrogen (N₂)
What's the boiling point of water ?
100°C ( a hunred degrees Celsius)
name the blood vessels that carry blood TO the heart
Veins
What organ is responsible for filtering blood?
kidneys
What is the largest animal on Earth?
Blue whale
What do we use to measure temperature?
Thermometer
What's the speed of light ?
Almost 300.000 km/s
What's this phenomenon called ?
Eclipse
What is the name for a group of stars that form a pattern? (For example: Orion, Ursa Major, Ursa Minor)
constellation
a body organ that pumps blood
heart
What body system controls your movements?
Nervous system
What do you call animals that only eat plants?
Herbivores
What's the name of this process?
Photosynthesis
Every object, every living creature are made up from..
atoms
The hardest natural substance found on Earth
Diamond
How many teeth do adults have ?
32
The natural satellite of Earth
The Moon
What type of blood cells fight infections?
white blood cells
What is this called ?
Periodic table
What planet has the most moons?
Saturn
The largest organ in the human body
skin
What is the main job of red blood cells?
To carry oxygen to organs
an expensive yellow metal used in jewelry
Gold
What gas do humans breathe out ?
CO₂ ( Carbon dioxide)
Which part of a plant absorbs water and nutrients ? (it's usually underground)
Roots
Which branch of science studies living things?
Biology
A gas that humans need to breathe
Oxygen