Biology
What is the powerhouse of the cell?
Mitochondria
What causes objects to fall on Earth?
gravity
What is the molecular formula for water?
H2O
What is the center of our solar system?
the Sun
What are the building blocks of life?
Cells
Why is the gravity of the moon less than that of Earth?
Because the moon has less mass.
What is the center of an atom?
Nucleus
What planet is the largest?
Jupiter
What is the gel-like substance in the cell?
Cytoplasm.
What type of energy does a moving ball have?
Kinetic energy
What is the first element in the periodic table?
Hydrogen
What constellation is in the shape of a bear?
Ursa Major
What bodily system circulates blood?
Cardiovascular
Who discovered the laws of motion?
Newton
Why does ice float in water?
Name the four inner planets.
Mercury, Venus, Earth, Mars
Charles Darwin
What is energy?
The ability to do work
What is the pH of neutral water?
7
Where is the asteroid belt?
between Jupiter and Mars