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Join us for 70 fun science questions and answers.
Let's explore and learn about the amazing world of science together.
What's the boiling point of water?
100 degrees Celsius.
What planet is closest to the sun?
Mercury.
What do plants need to make food?
Sunlight, water, and carbon dioxide.
What gas do we breathe in?
Oxygen.
What's the largest planet in our solar system?
Jupiter.
What is the chemical symbol for water?
H2O.
What force pulls objects toward Earth?
Gravity.
What organ pumps blood through the body?
The heart.
What is the center of an atom called?
The nucleus.
What do bees make?
What is the hardest natural substance?
Diamond What kind of energy does the sun provide?
Solar energy What is the main gas found in the air we breathe?
Nitrogen
What organ do humans use to breathe?
The lungs.
What planet is known as the Red Planet?
Mars.
What is the process by which plants make their food?
Photosynthesis.
How many legs do spiders have?
Eight.
What part of the plant holds it in the soil?
The roots.
What is the largest mammal?
The blue whale.
What gas do plants produce during photosynthesis?
Oxygen.
What is the human body's largest organ?
The skin.
How many planets are in our solar system?
Eight.
What is the closest star to Earth?
The Sun.
What is the most common element in the universe?
Hydrogen.
What do you call the change from a liquid to a gas?
Evaporation.
How many bones are in the human body?
206 What is the main gas found in the air we breathe?
Nitrogen What type of animal is a frog?
An amphibian
What is the basic unit of life?
The cell.
What planet is known for its rings?
Saturn.
What do cows produce that humans drink?
Milk.
What is the study of weather called?
Meteorology.
What are animals that eat only plants called?
Herbivores.
What is the main function of leaves?
To make food for the plant.
What planet is known as the Earth's twin?
Venus.
What natural satellite orbits the Earth?
The Moon.
What is the hardest natural substance on Earth?
Diamond.
What is the center of our solar system?
The sun.
What is the main source of energy for Earth?
The sun.
What kind of animal is a dolphin?
A mammal.
How many teeth do adults usually have?
32 What is the chemical formula for salt?
N-A-C-L What are the building blocks of proteins?
Amino acids
What is the freezing point of water?
Zero degrees Celsius.
What gas do humans exhale?
Carbon dioxide.
What type of rock is formed from lava?
Igneous rock.
What is the smallest unit of matter?
An atom.
What planet is farthest from the Sun?
Neptune.
What is the study of living things called?
Biology.
What are the primary colors of light?
Red, green, and blue.
How many continents are there on Earth?
Seven.
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