A look at the fourth and fifth grade science units
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| If you are given a picture and asked to make an OBSERVATION, you must choose the answer that includes only | things that you can actually see with your own eyes
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| The mass of an object is | the amount of matter in an object - - how heavy it is.
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| Given a 2-liter bottle of Coke, 2 liters is a measure of | the volume of Coke - or how much space it takes up.
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| The capacity of a container is how much it can hold. The capacity our large Coke bottle, even if it is empty, is | 2 liters
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| The capacity of an eyedropper would be a few | milliliters
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| A milliliter of liquid is | a few drops
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| The volume of liquid in a graduated cylinder might be 50 | ml or 50 milliliters
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| The volume of liquid in a beaker might be 300 | ml or 300 milliliters
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| One thousand milliliters equals | 1 liter
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| A liter is close in volume to a | quart
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| 11.An instrument used to measure mass is a | balance
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| The mass of a paperclip or a sheet of paper is about | 1 gram or 1g
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| The mass of a book could be about | 1 kilogram or 1kg
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| 1000 grams equal | 1 kilogram
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| Length and distance are measured in these metric units | meters
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| Volume of a liquid or capacity of a container is measured in these metric units | Liters
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| Mass is measured in these metric units | grams
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| A centimeter is about as long as your | fingernail
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| The length of each of these dashes - - - is about | 1 or 2 millimeters (mm)
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| If your fingernail is one centimeter long, how long is it in millimeters? | 10 (10mm = 1cm)
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| The distance from your waist to the floor could be about | 1 meter or 1m
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| One-hundred centimeters equals | 1 meter
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| The distance from Terraset to the nearest 7-Eleven is about | 1 kilometer or 1km
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| One thousand meters equals | 1 kilometer or 1km
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| In an experiment to measure the how different types of soil affect tulip growth, you fill five identical pots with different types of soil and place a tulip bulb in each. The variable in the experiment is the | soil
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| The pots, tulip bulbs, water and amount of sunlight are should be the same for all of the pots. These are the | constants
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| Objects in motion have ______ energy. | kinetic
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| Potential energy is ________ energy. | stored
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| Due to the pull of gravity, the higher an object is off the ground, the more ____________ it has. | potential energy
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| When I hold a ball in the air, it has potential energy. When I let go, the ball starts to fall. Potential energy changes to | kinetic energy
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| There are many forms of energy. Energy caused by the movement of electrons is | electrical energy
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| Energy stored in food, batteries and fossil fuels like coal and gasoline is | chemical energy
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| Energy in moving or spinning objects like gears, car wheels, or joggers, is _______ energy | mechanical
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| 33. Machines make work easier and help us work more | efficiently
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| The six simple machines are | inclined plane, pulley, lever, screw, wedge, and wheel & axle.
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| A combination of two more simple machines is a | compound machine
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| Machines made of many compound machines are | complex machines
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| An object that is sharp, like a knife, ax, or nail, is a | wedge
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| Doorknobs, screwdrivers, and wheels of all sorts are | wheel and axles
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| A seesaw, crowbar, shovel, and nutcracker are | levers
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| A ramp, staircase, and ladder are | inclined planes
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| A jar lid and corkscrew are | screws
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| What simple machine is used to hoist a flag or raise window blinds? | pulley
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| A wheelbarrow, scissors, and a bicycle are | compound machines
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| Simple machines with fulcrums (pivot points) are usually | levers
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| These simple machines have ropes or chains. | pulleys
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| A pair of scissors has | a lever and wedges
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| Two objects rubbing together create | friction
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| Friction resists or stops motion, and creates | heat
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| Unless acted on by a force, objects in motion tend to stay in motion and objects at rest remain at rest. This is the principal of | inertia
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| It's harder to push a real truck than a toy truck because objects with more mass have | more inertia
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| Which will light a bulb, an open or closed circuit? | A closed circuit
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| If your string of holiday lights goes dark when one little bulb burns out, the string of lights is a | series circuit
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| 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
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| Electrical energy moves easily through materials that are | conductors.
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| Wires are usual made from ____ because it conducts electricity well. | metal (often copper)
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| Material like rubber, plastic and wood do not conduct electricity well. They are | insulators
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| This is a dry-cell battery. Common dry-cells usually have low | voltage (1.5v or 9v)
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| Magnets attract these metals | iron (steel) cobalt, nickel
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| 60.The iron filings in this picture show ________created by a magnetic field. | lines of force
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| Magnetism and _______ are very closely related. | electricity
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| An electric current creates a magnetic field, and a magnetic field creates an _________ . | electric current
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| If you rub your feet on the carpet, or rub a balloon on a wool sweater, you may create | static electricity
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| Static electricity occurs when negatively charged _____ are rubbed off of one surface and on to another. | electrons
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| Benjamin Franklin learned that lightning was a form of electricity. What kind of electricity? | static electricity
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| Who invented the light bulb? | Thomas Edison
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| Which plant part takes in water and nutrients? | the root
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| Which part supports the plant and allows the movement of water and nutrients? | the stem
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| Which plant part makes food for the plant? | the leaves
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| The seed forms in the female reproductive part of the flower called the | pistil
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| Pollen forms on the ends of the male reproductive parts of the flower called the | stamen
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| The small leaves that form around the developing flower are the | sepals
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| Pollen is transferred from the stamen to the pistil in a process called | pollination
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| Most plants reproduce with seeds, but ferns and mosses reproduce with | spores
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| Green plants produce their own food in a process called | photosynthesis
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| To produce food, green plants use | water, nutrients, sunlight, carbon dioxide (from the air) and chlorophyll.
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| Plants are green because of | chlorophyll
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| 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
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| An organism's _____ provides food, water, shelter and space. | habitat
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| All energy comes from _____ , and then cycles through the food webs to all of the animals in the community. | the sun
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| _______ get energy directly from the sun and use it to make food. | Plants
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| Because plants produce their own food, they are called ___________ . | producers
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| Other organism do not get their energy from the sun. They get their energy by | eating plants, or eating animals that have eaten plants.
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| Organisms that get their energy from eating plants or other animals are called | consumers
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| The sun's energy cycles through the ecosystem in this order | sun->producers->consumers>decomposers
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| All of the interrelated food chains in an ecosystem make up a | food web
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| Food chains and food webs always start with a | plant
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| The food chain starts with a producer (a plant) and ends with a | decomposer
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| Decomposers like ______ break down organisms and recycle them back to the nutrient pool. | fungi
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| All of the living and nonliving things in an environment make up | an ecosystem
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| Everything in an ecosystem depends on everything else. Humans often destroy ecosystems by | polluting ponds, chopping down forests, etc.
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| The specific place an organism has in the food web is the organism's | niche
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| The niche of every organism is different, and an organism's niche changes as it grows. A niche is the organism's role in the community, and includes | what it does, what it eats, and what eats it.
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| All organisms have _________ that allow it to survive in its environment. | adaptations
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| Structural adaptations are __________ that help an organism survive, like long beaks, webbed feet, camouflage. | body parts
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| Behavioral adaptations are things that organisms do to survive. Examples of behavioral adaptations are | migration, hibernation, instincts, etc
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| The measure of the amount of heat energy in the atmosphere is | temperature
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| The amount of moisture in the air is | humidity
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| The weight of the air causes | air pressure
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| Air circulates around the Earth in big chunks called | air masses
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| The boundary between two air masses is called a | front
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| A warm front occurs when a warm air mass pushes out a cold mass. A warm front usually brings | steady rain or drizzle followed by warmer temperatures.
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| A cold front occurs when a cold air mass pushes out a warm air mass. A cold front usually brings | a short period of heavy rain or thunder, followed by clear colder weather.
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| A falling barometer often means | rainy weather ahead.
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| What kind of cloud brings stormy weather, thunderstorms, and sometimes even tornadoes? | Cumulonimbus
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| Puffy white clouds that look like cotton balls are | cumulus clouds
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| High, thin, wispy clouds are | cirrus clouds
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| Which cloud forms a gray blanket over the sky, often bringing steady rain or drizzle? | stratus cloud
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| This instrument measures air pressure is a | barometer
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| This instrument measures wind speed | anemometer
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| This instrument measures moisture in the air | hygrometer
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| This instrument measures precipitation | rain gauge
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| These severe storms usually form over water in the Caribbean | hurricanes
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| Earth is one of ____ planets that revolve around the sun. | nine (eight now, officially)
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| Earth is the ______ planet from the sun. | third
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| Venus, Mercury, Earth and Mars are the | rocky inner planets
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| How far is the Earth from the sun? | 150 million km
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| What does the Earth have that allows it to support life? | water and an oxygen rich atmosphere
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| How does the Earth's atmosphere protect the Earth? | It blocks out most of the sun's damaging rays.
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| Ancient Greeks like Aristotle and Ptolemy believed _________ was the center of our solar system, and the planets and the sun revolved around us. | the Earth
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| Copernicus and Galileo tried to convince the world that ________ was actually the center of the solar system, and all of the planets revolve around it, and not around the Earth. | the sun
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| The NASA Apollo missions sent astronauts to the ______ . | the moon
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| 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
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| Land drained by rivers west of Roanoke is part of the Mississippi _________. | watershed
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| Much of Virginia is covered in ______, an important natural resource for Virginia. | forests
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| An important energy resource mined in the southwestern part of Virginia is ________ . | coal
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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