Science 4 Flashcards
(19 cards)
Material like rubber, plastic and wood do not conduct electricity well. They are:
insulators
This is a dry-cell battery. Common dry-cells usually have low:
voltage (1.5v or 9v)
Magnets attract these metals:
iron (steel) cobalt, nickel
The iron filings in this picture show _______ created by a magnetic field. (looks like two magnets facing each other)
lines of force
Magnetism and ______ are very closely related.
electricity
If you wrap a wire around a nail and run electricity through the wire, you have created an:
Electromagnet (Electromagnets are useful because they can be turned on and off)
If you rub your feet on the carpet, or rub a balloon on a wool sweater, you may create
static electricity
Static electricity occurs when negatively charged _____ are rubbed off of one surface and onto another
electrons
Benjamin Franklin learned that lighting was a form of electricity. What kind of electricity?
static electricity
Who invented the light bulb?
Thomas Edison
Which plant part takes in water and nutrients?
the root
Which part supports the plant and allows the movement of water and nutrients?
the stem
Which plant part makes food for the plant?
the leaves
The seed forms in the female reproductive part of the flower called the:
pistil
Pollen forms on the ends of the make reproductive parts of the flower called the:
stamen
The small leaves that form around the developing flower are the:
sepals
Pollen is transferred from the stamen to the pistil in a process called:
pollination
Most plants reproduce with seeds, but ferns and mosses reproduce with:
spores
Green plants produce their own food in a process called:
photosynthesis
