What force keeps us on the ground?
Gravity
What is the process by which plants make food?
Photosynthesis
What is the chemical symbol for water?
H2O
What layer of Earth do we live on?
The crust
What is the nearest star to the Earth?
The sun
What metal element has the symbol Al?
Aluminium
Which organ in the human body pumps blood?
The heart
What is the first element in the periodic table?
Hydrogen
What do we call molten rock that erupts from a volcano?
Lava
Which planet is nearest to the sun?
Mercury
How fast does light travel in a vacuum in m/s?
300,000,000
What is the smallest unit of life?
Cell
What do we call it when a gas turns into a liquid?
Condensation
What type of rock is formed from cooled magma or lava?
Igneous rock
What do we call a group of stars that form a pattern in the night sky?
Constellation
Which scientist came up with the three laws of motion?
Isaac Newton
What gas do plants release during photosynthesis?
Oxygen
What is the pH of pure water?
7
What is the process called where water changes from a liquid to a gas?
Evaporation
What is the name of the galaxy that contains our Solar System?
Milky Way
What is the term for the bending of light when it enters glass or water?
Refraction
What is the name of the molecule that carries genetic information in living things?
DNA
What element is common to all living things?
Carbon
What element makes up most of the Earth's core?
Iron
What object in space is so dense that even light cannot escape?
Black hole