Middle school
Science review
Cells, forces, the periodic table, space and famous scientists, for a science review lesson.
Cells
- 100The control centre of the cell, holding its DNAWhat is the nucleus?
- 200Plant cells have this rigid outer layer; animal cells don’tWhat is the cell wall?
- 300Where photosynthesis happens in a plant cellWhat is the chloroplast?
- 400The type of cell division your body uses for growth and repair, making two genetically identical cellsWhat is mitosis?
- 500The part of the cell that releases energy from foodWhat is the mitochondrion (mitochondria)?
Forces
- 100The force of attraction between masses that keeps the Moon in orbit around the EarthWhat is gravity?
- 200DDThe unit of force, named after a scientistWhat is the newton?
- 300The force that slows a book sliding across a tableWhat is friction?
- 400Speed in a given directionWhat is velocity?
- 500The law of motion that says every action has an equal and opposite reactionWhat is Newton’s third law (the third law of motion)?
The periodic table
- 100The element with the chemical symbol OWhat is oxygen?
- 200The element with the chemical symbol FeWhat is iron?
- 300The number of protons in an atom’s nucleusWhat is the atomic number (proton number)?
- 400The lightest elementWhat is hydrogen?
- 500The only metal known to be liquid at a normal room temperature of about 20 °CWhat is mercury?
Space
- 100The planet closest to the SunWhat is Mercury?
- 200The largest planet in our solar systemWhat is Jupiter?
- 300The galaxy our solar system is inWhat is the Milky Way?
- 400The only planet known to have lifeWhat is Earth?
- 500A light-year measures this, not timeWhat is distance?
Famous scientists
- 100He described the laws of motion and universal gravitationWho is Isaac Newton?
- 200She was the first person to win two Nobel PrizesWho is Marie Curie?
- 300He published his theory of evolution by natural selection in 1859Who is Charles Darwin?
- 400He developed the theory of general relativityWho is Albert Einstein?
- 500Her X-ray images of DNA, including Photo 51, helped reveal its double helixWho is Rosalind Franklin?
Final round: Chemistry
The chemical formula for water
What is H₂O?