3rd Grade Science - Forces and Matter Questions

These girls can hear each other because the string —
1. vibrates
2. stretches
3. is strong
4. is long
A kazoo is a toy that makes a sound when a person hums into it. Sound comes out of the kazoo because it —2008
1. is shiny
2. can float
3. is plastic
4. can vibrate
A metal rod is struck and starts to vibrate. Which of these could happen next? 2009
1. The metal rod becomes a liquid.
2. The metal rod becomes heavier.
3. The metal rod attracts other metals.
4. The metal rod produces sound.
Which diagram shows a back-and-forth motion?
Which part of a bicycle BEST moves in a circle? 2010
1. Seat
2. Frame
3. Foot pedal
4. Kickstand
Which picture shows the way that two magnets will attract?
Which of these is the BEST title for the group of objects shown? 2010
1. Heavy Objects
2. Rough Objects
3. Wooden Objects
4. Magnetic Objects
Which of these is the BEST title for the picture? 2008
1. How Magnets Attract
2. Using the Sense of Touch
3. How to Measure Distance
4. Using a Magnetic Compass
While a sailor was out fishing, he got lost at sea. Which object would help him direct the boat back to shore? 2008
1. Rope
2. Magnetic compass
3. Blanket
4. Measuring tape
What makes the needle on the compass in the picture point north? 2007
1. Rainfall
2. Evaporation
3. Wind currents
4. Magnetism
A simple machine makes work easier because using it — 2010
1. takes less force to move something heavy
2. changes the weight of something heavy
3. improves the way something looks
4. lets something become a different shape
Which of these is a compound machine that is a lever and a wedge working together? 2009
Which of these is an example of a lever? 2008
Which of these shows a pulley?
A student wants to look under a heavy rock. Which simple machine would be BEST to use to lift the rock? 2007
1. Wheel and axle
2. Lever
3. Inclined plane
4. Screw
Which of these simple machines does this model represent? 2010
1. A screw
2. A wedge
3. A lever
4. A pulley
The picture shows a jar with its lid. What kind of simple machine is a jar lid? 2009
1. Ramp
2. Pulley
3. Screw
4. Wedge
Which machine uses a wheel and axle? 2009
Which kind of work is made easier by the wheels of a wagon? 2009
1. Pulling a heavy load
2. Lifting a wide load
3. Dividing a large load
4. Holding a small load
Which of these describes water in a solid state? 2010
1. Vapor rising in the sky
2. Hail during a storm
3. Waves crashing on the seashore
4. Rain falling from the clouds
An ice cube placed in sunlight melts quickly. Which BEST explains this event? 2008
1. The Sun is far away.
2. The Sun makes heat.
3. The ice cube is a solid.
4. The ice cube looks clear.
A puddle of water on a concrete driveway will disappear after a few hours during a sunny day. Where does the water go as it disappears? 2009
1. It goes into the air.
2. Animals drink it.
3. It soaks into the concrete
4. It becomes a different substance.
Which of these glasses will MOST likely become empty first because of evaporation? 2010
A container was filled with ice cubes. The container was left outside until the ice cubes melted. Based on the picture, how much water came from the melted ice cubes? 2010
1. 3 milliliters
2. 5 milliliters
3. 7 milliliters
4. 10 milliliters
Ice cubes are an example of which form of water? 2008
1. Gas
2. Liquid
3. Solid
4. Natural
Which of these is an example of liquid water? 2007
1. Frost
2. Ice
3. Rain
4. Steam
Which of these can be dissolved in water? 2010
1. Grains of sand
2. Baking soda
3. Wood chips
4. Cooking oil
Which of these dissolve in water? 2008
1. Sand grains
2. Sugar cubes
3. Plastic straws
4. Wooden spoons
The graph shows what happened when salt was added to water in a glass. According to the graph, which of these is correct? 2007
1. Salt tastes different when water is heated.
2. Salt will cause water to heat up.
3. Salt is used to make hot water.
4. Salt dissolves more easily in hot water.
The picture shows a balance. One side of the balance holds an empty balloon. The other side holds the same kind of balloon full of air. Which of these is shown by the balance?
1. Air is solid.
2. Air has heat.
3. Air has mass.
4. Air is energy
Barry collected four different rocks. The rock with the GREATEST mass will feel the — 2007
1. heaviest
2. smoothest
3. A paper clip
4. A pair of shoes
Which of these is MOST likely made from only one material? 2008
1. A pencil
2. A bicycle
3. A paper clip
4. A pair of shoes
When notebook paper is folded to make an airplane, what physical property of the paper changes? 2010
1. Mass
2. Weight
3. Shape
4. Smell
All of the objects shown can be described as — 2010
1. having moving parts
2. having the same size
3. needing a magnifying glass to be seen
4. being made from more than one material
A paper bag is ripped into pieces. Which of these BEST describes the pieces of the bag? 2009
1. Stronger than the whole bag
2. Thicker than the whole bag
3. Smaller than the whole bag
4. Darker than the whole bag
A student is asked to bring something that feels rough to class. Which would be BEST for him to bring?
1. Pillow
2. Marble
3. Sandpaper
4. Trading card
Which of these is MOST flexible? 2008
1. Broom handle
2. Wooden ruler
3. Drinking straw
4. Sewing needle
Which word tells how a lasagna noodle looks compared to a spaghetti noodle? 2007
1. Longer
2. Lighter
3. Smaller
4. Wider
Which of these is MOST likely the hardest to bend?
1. Rubber band
2. Cloth ribbon
3. Leather shoe
4. Wooden board
Which shape is MOST like the one made by connecting the bases on the baseball field?
1. Circle
2. Square
3. Triangle
4. Oval
Which of these tells something about how an apple looks?
1. It is soft.
2. It is blue.
3. It is square.
4. It is smooth.
Which of these BEST describes the way a feather feels? 2009
1. Colorful
2. Soft
3. Low
4. Bright
Compared to the lawn mower tire, the tractor tire is — 2009
1. smaller
2. thinner
3. lighter
4. rougher
A student is blindfolded and given several objects to feel. Which of these would he describe as hard and smooth? 2010
Which of these BEST describes the texture of the metal spoon?
1. Small
2. Smooth
3. Flexible
4. Shiny