Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
4th grade science
| Question | Answer |
|---|---|
| The small leaves that form around the developing flower are the: | sepals |
| Who invented the light bulb: | Edison |
| Which plant part takes in water and nutrients? | roots |
| Which part supports the plant and allows the movement of water and nutrients? | stem |
| Which plant part makes food for the plant? | leaves |
| The seed forms in the female reproductive part of the flower called the | pistil |
| Pollen forms on the ends of the male reproductive parts of the flower called the: | stamen |
| 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 |
| Plants are green because of: | chlorophyll |
| Many plants enter a period of ______ in the winter, which is similar to hibernation for animals. During this period most of their normal activities stop. | dormancy |
| An organism's _____ provides food, water, shelter and space. | habitat |
| All energy comes from the _____ , and then cycles through the food webs to all of the animals in the community. | sun |
| _______ get energy directly from the sun and use it to make food. | plants |
| Because plants produce their own food, they are called ___________ . | producers |
| Organisms that get their energy from eating plants or other animals are called: | consumers |
| All of the interrelated food chains in an ecosystem make up a food: | web |
| Food chains and food webs always start with a: | plant |
| The food chain starts with a producer (a plant) and ends with a: | decomposer |
| Decomposers like ______ break down organisms and recycle them back to the nutrient pool. | fungi |
| All of the living and nonliving things in an environment make up an: | ecosystem |
| the role an oraganism plays in its environment | niche |
| All organisms have _________ that allow it to survive in its environment | adaptations |
| The measure of the amount of heat energy in the atmosphere is: | temperature |
| The amount of moisture in the air is: | humidity |
| The weight of the air causes: | air pressure |
| The capacity of an eyedropper would be a few | milliliters |
| One thousand milliliters equals one: | liter |
| A liter is close in volume to a: | quart |
| An instrument used to measure mass is a: | balance |
| The mass of a paperclip or a sheet of paper is about one: | gram |
| 1000 grams equals one: | kilogram |
| Length and distance are measured in these metric units: | meters |
| Two objects rubbing together create: | friction |
| Friction resists or stops motion, and creates: | heat |
| If your string of holiday lights goes dark when one little bulb burns out, the string of lights is a: | series circuit |
| This circuit has more than one pathway for the flow of electrical current. If one bulb burns the others will remain lit. It is a: | Parallel circuit |
| Electrical energy moves easily through materials that are: | conductors. |
| Wires are usual made from ____ because it conducts electricity well. | metal |
| Material like rubber, plastic and wood do not conduct electricity well. They are: | insulators |
| Magnetism and _______ are very closely related. | electricity |
| An electric current creates a magnetic field, and a magnetic field creates an _________ . | electric current |
| If you wrap wire around a nail and run electricity through the wire, you have created an: | electromagnet |
| 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 on to another. | electrons |
| Objects in motion have ______ energy. | kinetic |
| Potential energy is ________ energy. | stored |
| Which will light a bulb, an open or closed circuit? | closed circuit |
| A falling barometer often means: | rainy weather |
| What kind of cloud type brings stormy weather, thunderstorms, and sometimes even tornadoes? | Cumulonimbus |
| Puffy white clouds that look like cotton balls are: | cumulus |
| High, thin, wispy clouds are: | cirrus |
| Which cloud type forms a gray blanket over the sky, often bringing steady rain or drizzle? | stratus |
| This instrument measures air pressure is a: | barometer |
| This instrument measures wind speed | anemometer |
| This instrument measures moisture in the air: | hygrometer |
| This instrument measures precipitation: | rain gauge |
| These severe storms usually form over water in the Caribbean: | hurricanes |
| Earth is one of ____ planets that revolve around the sun. | nine |
| Earth is the ______ planet from the sun. | third |
| Venus, Mercury, Earth and Mars are the : | rocky inner planets |
| Ancient Greeks like Aristotle and Ptolemy believed the _________ was the center of our solar system, and the planets and the sun revolved around us. | Earth |
| Copernicus and Galileo tried to convince the world that the ________ was actually the center of the solar system, and all of the planets revolve around it, and not around the Earth. | sun |
| The NASA Apollo missions sent astronauts to the ______ . | moon |
| About half of Virginia is considered to be in the Chesapeake Bay ________ because the surface water and all of the materials it carries drain into the Chesapeake Bay. | watershed |
| Much of Virginia is covered in ______, an important natural resource for Virginia. | forests |
| An important energy resource mined in the southwestern part of Virginia is ________ . | coal |
Created by:
MrLittle5
Popular Science sets