3rd Grade Science - Forces and Matter Questions

3rd Grade Science - Forces and Matter Questions - Part 1

These girls can hear each other because the string —
(2007 test question)
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 test question)
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 test question)
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?
(2007 test question)
Which part of a bicycle BEST moves in a circle?
(2010 test question)
1. Seat
2. Frame
3. Foot pedal
4. Kickstand
Which picture shows the way that two magnets will attract?
(2007 test question)
Which of these is the BEST title for the group of objects shown?
(2010 test question)
1. Heavy Objects
2. Rough Objects
3. Wooden Objects
4. Magnetic Objects
Which of these is the BEST title for the picture?
(2008 test question)
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 test question)
1. Rope
2. Magnetic compass
3. Blanket
4. Measuring tape
What makes the needle on the compass in the picture point north?
(2007 test question)
1. Rainfall
2. Evaporation
3. Wind currents
4. Magnetism
A simple machine makes work easier because using it —
(2010 test question)
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 test question)
Which of these is an example of a lever?
(2008 test question)
Which of these shows a pulley?
(2007 test question)
A student wants to look under a heavy rock. Which simple machine would be BEST to use to lift the rock?
(2007 test question)
1. Wheel and axle
2. Lever
3. Inclined plane
4. Screw
Which of these simple machines does this model represent?
(2010 test question)
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 test question)
1. Ramp
2. Pulley
3. Screw
4. Wedge
Which machine uses a wheel and axle?
(2009 test question)
Which kind of work is made easier by the wheels of a wagon?
(2009 test question)
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 test question)
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 test question)
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 test question)
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 test question)