50 Science Facts

 

 

1. It takes 365 days or 1 year for the earth to orbit the sun. Activity

 

2. It takes 24 hours or 1 day for the earth to rotate once. Activity

 

3. It takes 28 days for the moon to orbit the earth. Activity

 

4. Shadows are formed because an object blocks the light. Activity

 

5. Light travels in a straight line. Activity

 

6. When light hits a shiny surface it makes a reflection. Activity 1

 

7. A light source makes its own light. Activity

 

8. A solid melts to make a liquid. Acitivity

 

9. A liquid evaporates to make a gas. Acitivity

    

10.  A liquid freezes or solidifies to make a solid. Acitivity

 

11.  A gas condenses to make a liquid. Acitivity

     

12.  In a food chain a producer makes its own food (plant). Activity

 

13.  In a food chain a consumer consumes other living things. Activity

 

14.  A predator hunts for food. Activity

 

15.  Prey is hunted by a predator. Activity

 

16.  A herbivore eats plants, a carnivore eats meat and an omnivore eats plants and meat

     

 

17.  The functions of the roots of a plant are to anchor the plant in the soil and to take in water and nutrients.

     

 

18.  The functions of the stem of a plant are to hold it upright and to allow water and nutrients to travel around the plant

     

 

19.  The leaves of the plant make food

     

 

20. Flowers have male and female parts; the male parts produce pollen and the female parts produce ovules (eggs). Activity     Activity2

      

21. Germination is when seeds begin to grow Activity

 

22. An electrical conductor allows electricity to pass through. Activity

 

23. An electrical insulator does not allow electricity to pass through. Activity

 

24. A thermal conductor allows heat through.

 

 

25. A thermal insulator does not allow heat through.

 

 

26.The brain controls the body.

 

 

27. Blood carries oxygen and waste around the body. Activity

 

28. The heart pumps blood. Activity

 

29. A pulse indicates the pumping of the heart. Activity

 

30. Lungs take in oxygen.

 

 

31. A filter separates small insoluble solids from liquid.

 

 

32. A sieve separates large solids from small solids

 

 

33. For magnets, North and South poles attract, North poles and North poles repel, South poles and South poles repel. Activity

 

34. Magnets attract only iron and steel.

 

 

35. Canine teeth rip and tear food. Activity

 

36. Incisors bite and cut food. Activity

 

37. Molars chew and grind food. Activity

 

38. Remember life process with the mnemonic  MR GREEN ? all living things: Move, Respire, Grow, Reproduce, Excrete, (show) Excitability, (need) Nutrition. Activity

 

39. Gravity is the downwards force that holds us on earth. Activity

 

40. Permeable means that it allows water through.

 

 

41. Impermeable means that it is waterproof.

 

 

42. Friction is a rubbing force that slows things down. Activity

 

43. Push and pull are forces. Activity

 Activities for electricity    Activity2

44. Electrical symbol for a cell (battery) is:

 

45. Electrical symbol for a bulb is.

 

46. Electrical symbol for a motor is. 

 

47. Electrical symbol for a buzzer is.

  

48. Electrical symbol for a switch is.

  

  

 

49. Force is measured in Newtons and is measured with a forcemeter.

 

 

50. In a fair test only one thing will be changed.

 

Glossary  

Activities to help