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4th grade science

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: lit123
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