What planet is closest to the Sun?
Mercury
What part of the body helps you think?
Brain
What is H₂O?
Water
What force pulls objects toward Earth?
Gravity
What layer do we live on?
Crust
What planet has rings?
Saturn
What do plants need to make food?
Sunlight
What gas do we breathe in?
Oxygen
What is the speed of light called?
Light speed
What is molten rock called?
Lava
What galaxy do we live in?
Milky Way
What is the basic unit of life?
Cell
What is the chemical symbol for iron?
Fe
What unit measures force?
Newton
What causes earthquakes?
Movement of tectonic plates
What is the name of Earth's natural satellite?
The Moon
What carries genetic information?
DNA
What is the pH of pure water?
7
What kind of energy is motion?
Kinetic energy
What instrument measures earthquakes?
Seismograph
What force keeps planets in orbit around the Sun?
Gravity
What process turns food into energy in cells?
Cellular respiration
What law states that every action has an equal and opposite reaction?
Newton’s Third Law
What law states that every action has an equal and opposite reaction?
Newton’s Third Law
What is the layer beneath the crust called?
Mantle