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4th sci phys, chem,
phys, chem, mach
| Question | Answer |
|---|---|
| What are three states of water? | Solid, liquid, gas |
| Physical or chemical change: wood burning. | chemical change |
| Physical or chemical change: squash a ball of clay. | physical change |
| Name 2 simple machines | lever, wheel and axle |
| Name 2 complex machines | a car , a washing machine |
| Who was Timothy Berners Lee? | He invented the World Wide Web. |
| Who was Nicholas Appert? | He discovered new ways to preserve food. |
| Who was Marie Curie? | She discovered radioactivity. |
| Who was Alexander Fleming? | He discovered penicillin. |
| Who was Stephen Hawking? | He changed the way physicists think about the universe. |
| Who was Isaac Newton? | He studied gravity and developed 3 laws of motion. |