1. 4th Grade Physical Science
4th Grade Physical Science Lesson 4

2. BIG IDEA
Electricity and magnetism are related effects that have many useful applications such as conversion to heat, light, motion, sound.
4th Grade Physical Science

3. 4th Grade Physical Science Lesson 1

4. Standard: 1a
Students know how to design and build simple series and parallel circuits by using components such as wires, batteries, and bulbs.

5. Standard: 1g
Students know electical energy can be converted to heat, lights, and motion.

6. A closed path that electric current follows
electric circuit
A closed path that electric current follows
4th Grade Physical Science Lesson 1

7. A flow of electric charges close
electric current
A flow of electric charges close
4th Grade Physical Science Lesson 1

8. insulate
to protect from electricity with a material that does not conduct current
4th Grade Physical Science Lesson 1

9. Allow electrical charges to move through them easily
conductor
Allow electrical charges to move through them easily
4th Grade Physical Science Lesson 1

10. 4th Grade Physical Science Lesson 2

11. Standard: 1a
Students know how to design and build simple series and parallel circuits b using components such as wires, batteries, and bulbs.

12. Standard: 1g
Students know electrical energy can be converted to heat, lights, and motion.

13. has only one path for current to follow
simple series circuit
has only one path for current to follow
4th Grade Physical Science Lesson 2

14. changing electricity to motion
convert
changing electricity to motion
4th Grade Physical Science Lesson 2

15. 4th Grade Physical Science Lesson 3

16. Standard 1a
Students know how to design and build simple series and parallel circuits b using components such as wires, batteries, and bulbs.

17. has more than one path for the current to follow
parallel circuit
has more than one path for the current to follow
4th Grade Physical Science Lesson 3

18. resistance
how much a material (usually wire) opposes, or resists, the flow of electric current
4th Grade Physical Science Lesson 3

19. 4th Grade Physical Science Lesson 4

20. Standard: 1b
Students know how to build a simple compass and use it to detect magnetic effects, including Earth’s magnetic field.

21. Standard: 1f
Students know that magnets have two poles (north and south) and that like poles repel each other while unlike poles attract each other.

22. An object that attracts iron and other metals
magnet
An object that attracts iron and other metals
4th Grade Physical Science Lesson 4

23. The places on a magnet where the force (pull) is the strongest
magnetic poles
South
North
The places on a magnet where the force (pull) is the strongest
4th Grade Physical Science Lesson 4

24. The space in which the magnetic force arcs around a magnet.
magnetic field
The space in which the magnetic force arcs around a magnet.
4th Grade Physical Science Lesson 4

25. cardinal directions
The four principal compass points north, south, east, and west.
4th Grade Physical Science Lesson 4

26. A tool used to determine directions.
compass
A tool used to determine directions.
4th Grade Physical Science Lesson 4

27. 4th Grade Physical Science Lesson 5

28. Standard: 1c
Students know electric currents produce magnetic fields and know how to build a simple electromagnet.

29. Standard: 1d
Students know the role electromagnets in the construction of electric motors, electric generators, and simple devices, such as doorbells and earphones.

30. Standard: 1g
Students know that electrical energy can be converted to heat, light, and motion.

31. A device made up of a current-carrying wire coil around an iron core.
electromagnet
A device made up of a current-carrying wire coil around an iron core.
4th Grade Physical Science Lesson 5

32. The energy of motion (movement).
kinetic energy
The energy of motion (movement).
4th Grade Physical Science Lesson 5

33. electric motor
Motor powered by electricity; a machine that converts energy from electricity into mechanical energy.
4th Grade Physical Science Lesson 5

34. a machine or device that is used to convert mechanical energy
generator
a machine or device that is used to convert mechanical energy
4th Grade Physical Science Lesson 5

35. a device for converting signals into sounds
loud speaker
a device for converting signals into sounds
4th Grade Physical Science Lesson 5

36. a button or lever controlling the electrical circuit
switch
a button or lever controlling the electrical circuit
4th Grade Physical Science Lesson 5

37. 4th Grade Physical Science Lesson 6

38. Standard: 1e
Students know electrically charged objects attract or repel each other.

39. electric charge
basic property of the tiny particles that make up matter. Electric charges can be positive or negative
4th Grade Physical Science Lesson 6

40. positive
basic property of the tiny particles that make up matter with a positive charge
4th Grade Physical Science Lesson 6

41. Object that pull towards each other. (animated)
attract
Object that pull towards each other. (animated)
4th Grade Physical Science Lesson 6

42. Objects that push away from each other. (animated)
repel
Objects that push away from each other. (animated)
4th Grade Physical Science Lesson 6

43. attract and repel
4th Grade Physical Science Lesson 6

44. electric charge
basic property of the tiny particles that make up matter. Electric charges can be positive or negative
4th Grade Physical Science Lesson 6

45. positive
basic property of the tiny particles that make up matter with a positive charge
4th Grade Physical Science Lesson 6

46. negative
basic property of the tiny particles that make up matter with a negative charge
4th Grade Physical Science Lesson 6

47. the buildup of electric charges in one place
static electricity
the buildup of electric charges in one place
4th Grade Physical Science Lesson 6