4 th Grade science vocabulary

1. CST Prep 4th Grade science vocabulary

2. An animal that eats plants • herbivore

3. Groups of living things and the environment they live in • ecosystem

4. The Earth’s innermost layer; ball shape, mostly nickel and iron • core

5. The way organisms in ecosystem interact according to what they eat • food chain

6. The layer just below the Earth’s crust (2nd layer and thickest layer) • mantle

7. Animals that eat the remains of other animals that have died • scavenger

8. The measure of the pull of gravity on an object • weight

9. Movement of seeds from parent plant (wind, water, animals, people) • Seed dispersal

10. A living thing such as a plant that makes its own food • producer

11. A hardness scale from softest to hardest (1-10); diamond is hardest • Mohs

12. Electrical force, strength of power source • voltage

13. Sprouting of a seed • germinate

14. A living thing that breaks down organisms for food • decomposer

15. The space around a magnet where the force of a magnet can act • magnetic field

16. A mineral’s ability to resist being scratched • hardness

17. A vibration or shaking of the Earth’s crust • earthquake

18. An animal that eats (meat) other animals • carnivore

19. A device for determining direction (north, south, east, west) • compass

20. A type of rock that forms from completely melted rock • igneous

21. The Earth’s outer layer (1st layer) • crust

22. Behavior or body part that helps an animal meet its needs in its environment • adaptation

23. A diagram that shows how food chains relate and overlap • food web

24. A circuit that has more than one path for current to flow • parallel circuit

25. A test where you scrape a piece of rock on a white plate to determine color • streak test

26. The amount of space an object takes up • volume

27. A material made up of one or more minerals • rock

28. A type of rock changed by heat or pressure but not completely melted • metamorphic

29. A type of rock formed by layers of sediment squeezed together over time • sedimentary

30. Powderlike male cells that travel from plants to help other plants reproduce • pollen

31. The smallest unit of an element that has all of the properties of that element • atom

32. A living thing that eats other living things for energy • consumer

33. An object that attracts certain materials such as steel, iron, nickel • magnet

34. Living things that cannot make their own food (mushrooms) • fungi

35. A material that electrical current can pass through easily • conductor

36. A device that converts chemical energy into electrical energy • battery

37. The area where magnetic force is greatest in a magnet • magnetic poles (north, south)

38. The flow of an electrical charge • current (electrical)

39. The process of dropping or depositing sediment in a new place • deposition

40. A temporary magnet made by passing electric current through a wire coiled around an iron bar • electromagnet

41. The process of moving sediment from one place to another (wind, water, ice) • erosion

42. An animal that has six-jointed legs • insect

43. An electric charge that stays on an object (rubbing balloon on wool cloth, shuffling feet on rub) • static electricity

44. A circuit that has only one path for current • series circuit

45. A simple test of rocks to determine the hardness of the rock • scratch test

46. Small organisms that can be seen only with a microscope, many only have one cell • microorganism

47. A natural solid material with its particles arranged in repeating pattern • mineral

48. An animal that eats both plants and animals • omnivore

49. The transfer of pollen from a stamen to a pistil by wind or animals • pollination

50. To reuse a resource to make something new • recycle