If something is difficult to understand, it is this.
What is confusing?
This is the closest planet to the Sun.
What is Mercury?
What is 9 × 8?
What is 72?
This organ pumps blood through your body.
What is the heart?
What has hands but cannot clap?
What is a clock?
If someone is honest and always tells the truth, they are this.
What is trustworthy?
Plants use sunlight, water, and carbon dioxide to make food in this process.
What is photosynthesis?
What is 144 ÷ 12?
What is 12?
These organs help you breathe and take in oxygen.
What are the lungs?
What has to be broken before you can use it?
What is an egg?
This word means to look at something very carefully.
What is examine?
This force keeps the planets moving around the Sun.
What is gravity?
A class has 24 students. They split into groups of 6. How many groups are there?
What is 4 groups?
This part of your body sends messages that control thinking, movement, and feelings.
What is the brain?
The more you take away from me, the bigger I get. What am I?
What is a hole?
This word means very big or huge.
What is enormous?
The center of the Earth is called the Earth’s _____.
What is the core?
What is 3/4 + 1/4?
What is 1?
This system in the body helps break down food and turn it into energy.
What is the digestive system?
What comes once in a minute, twice in a moment, and never in a thousand years?
What is the letter M?
This word means to make something better or improve it.
What is enhance?
Animals that eat only plants are called this.
What are herbivores?
What is the perimeter of a rectangle with sides 5 cm and 8 cm?
What is 26 cm?
These vessels carry blood away from the heart.
What are arteries?
I speak without a mouth and hear without ears. I have no body, but I come alive with wind. What am I?
What is an echo?