What are the 7 basic forms of energy...
Mechanical, Sound, Heat, Light, Electrical, Chemical, and Energy from wind and water
Sound energy is produced by...
A. pitch
B. waves
C. vibrations
D. volume
c. vibrations
Cars, bicycles, and people are all objects that can be in motion. What is
motion?
A. a device used for measuring mass
B. a measure of the force of gravity on an object
C. a natural force that is produced by a magnetic field
D. a change in the position of something over time in comparison to a
reference point
D. a change in the position of something over time in comparison to a
reference point
What two things do you always need to know to calculate speed?
A. time and acceleration
B. distance and time
C. the type of object and distance
D. the type of object and time
B. distance and time
What type of energy comes from headphones?
A. light energy
B. sound energy
C. electrical energy
D. mechanical energy
B. sound energy
What refers to how high or low a sound is...
A. pitch
B. vibrations
C. sound waves
D. volume
A. pitch
Objects travel in a direction. Which of the following best defines direction?
A. the path that a moving object follows
B. the place where an object sits
C. the distance an object moves
D. how fast an object moves
A. the path that a moving object follows
Mia wants to know how fast a ball rolls down a ramp. Which
action would most likely help her find this out?
A. construct a prediction
B. observe the ball rolling flat on the floor
C. measure the ball's speed rolling down the ramp
D. explain why the ball rolls so fast down the ramp
C. measure the ball's speed rolling down the ramp
Isaac's mom turns on a lamp in her living room. What forms of energy does the lamp give off?
A. heat and light
B. magnetic and electrical
C. mechanical and magnetic
D. light and electrical
A. heat and light
Destiny hits a drum with her drumstick and makes it vibrate.
She then puts her hand on the drum and stops the vibration.
What happens to the sound when Destiny puts her hand on the
drum?
A. The sound continues but not as loud.
B. The sound continues but has a lower pitch.
C. The sound stops because the vibrations have stopped.
D.The sound stops because the drum absorbs the sound.
C. The sound stops because the vibrations have stopped.
A ball is rolling down a hill. Which of these actions could happen
that would most likely cause a change in the of the
ball?
A. the ball hitting something
B. changing the material the ball is made of
C. changing the type of energy the ball is using
D. leaving the ball to roll down the hill on its own
A. the ball hitting something
Caitlin was studying speed. She measured the time it took for
four different cars to travel 2 meters (m) after rolling down a
ramp. She recorded the time in seconds (s) for each car in her
data table.
According to the data, which toy car traveled the slowest?
A. Car 1
B. Car 2
C. Car 3
D. Car 4
B. Car 2
At recess, Layla pushes her friend on the swings. What is the source of energy that moves the wagon?
A. electrical energy pushing the swing
B. sound energy from the swing swinging
C. mechanical energy from Layla's body
D. heat energy from the Sun
C. mechanical energy from Layla's body
The faster something vibrates...
A. the higher the sound or pitch
B. the lower the sound or pitch
C. the faster the sound travels
D. does not change the pitch
A. the higher the sound or pitch
Racecars change their positions as they race around a track. What is a change in
an objects position called?
A. distance
B. direction
C. position
D. motion
D. motion
Jayden is at the bowling alley and is wondering how he could figure out
the speed of the ball as he rolls it down the lane towards the pins.
Which two tools would he need to find the speed of the bowling ball?
A. ruler and a magnifying glass
B. meter stick and stopwatch
C. scale and thermometer
D. graduated cylinder and scale
B. meter stick and stopwatch
Samantha needs to dry her hair. Which of the following best
identifies the basic forms of energy when an electric
hair dryer is used?
A. electrical and light energy
B. electrical and chemical energy
C. electrical, heat, and sound energy
D. electrical, heat, and chemical energy
C. electrical, heat, and sound energy
A teacher makes a model guitar using an open box for the
guitar body and rubber bands for the strings. Students observe
that the pitch of the sound produced by each rubber band
depends on how tight the rubber band is.
Based on your understanding of pitch, what is a possible reason
that the tightness of a rubber band can change the pitch of
sound?
A. It makes the rubber band vibrate faster or slower.
B. It makes the rubber band for different lengths of time.
C. It makes the rubber band vibrate in different directions.
D. It makes the rubber band vibrate more loudly and softly.
A. It makes the rubber band vibrate faster or slower.
Some people enjoy going to amusement parks because there are rides that move. Ellie wants to ride the rollercoaster with a big loop.
Which of the following statements is true about the rollercoaster?
A. The object is changing only its position.
B. The object is changing only its direction.
C. The object is changing both its position and direction.
D. The object is changing neither its position nor direction.
C. The object is changing both its position and direction.
Ashley and Brian want to race each other to see who is the fastest runner. They will each run
a distance of 50 meters. Whoever has the fastest speed will be the winner. What are the two
measurment tools they will need to measure each other’s speed when running a distance of
50 meters?
A. a stopwatch and a measuring tape
B. a measuring tape and a scale
C. a stopwatch and a graduated cylinder
D. a measuring tape and foot sizes of the runners
A. a stopwatch and a measuring tape