Objects in Motion
Transferring Energy
Investigating Sound
Conducting Heat
Mixed Questions
100
A ball is rolling across a flat playground. If nothing touches the ball, what will most likely happen?
A.It will keep rolling in the same direction at the same speed until it is affected by a force.
B.It will suddenly turn and rolling a different direction.
C. It will float into the air.
D. It will stop immediately without anything touching it.
A.It will keep rolling in the same direction at the same speed until it is affected by a force.
100
Which of the following is an example of mechanical energy?
A. a light bulb shining
B. a speaker playing music
C. a microwave heating food
D. a wind-up toy moving across the floor
D. a wind-up toy moving across the floor
100
What causes the sound you hear when you pluck a rubber band stretched between two fingers?
A.The rubber band vibrates back and forth.
B.The rubber band moves air around it.
C.The rubber band changes color.
D.The rubber band heats up.
A.The rubber band vibrates back and forth.
100
Nathan picks up a book from his desk and hands it to his teacher. His teacher sets the book down and slides it across a table to another student. Which of the following actions produces the most heat?
A. handing the book to his teacher
B. picking the book up from his desk
C. sliding the book across the table
D. setting the book down on the table
C. sliding the book across the table
100
Mr. Alberca drinks a cup of coffee every morning. When it is too hot to drink, he adds an ice cube to it. Which of the following best explains what happens in the coffee cup after the ice has been added?
A. Cold from the ice transfers to the warm coffee.
B. Heat from the warm coffee transfers to the ice.
C. Heat from the warm coffee sinks to the bottom of the cup.
D. The warm coffee does not let the cold escape from the ice.
B. Heat from the warm coffee transfers to the ice.
200
Racecars change their positions as they race around a track. What is a change in an object's position called?
A.distance
B.direction
C.position
D.motion
D. Motion
200
A ball is rolling down a hill. Which of these actions could happen that would most likely cause a change in the motion 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
200
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.
200
Which of the following shows heat moving from a warmer object to a cooler one and causing a change?
A.a warm hand melting an ice cube
B.sound from a microphone traveling in the air
C.a fan blowing air across a room
a light turning on in a dark room
A.a warm hand melting an ice cube
200
Lisa follows the procedure listed below during an investigation in science class.
Procedure:
1. Tear up two sheets of paper into smaller pieces. 2. Place the paper pieces on a plate in front of a small fan. 3. Turn on the fan. 4. Observe the paper.
Which of the following conclusions will Lisa most likely make based on her observations?
A. Motion in the paper pieces creates motion in the fan.
B. Moving air is used to create a new substance.
C. Moving air causes the paper pieces to move.
D. Energy in the paper pieces moves the fan.
C. Moving air causes the paper pieces to move.
300
Two friends are racing toy cars.
Car A goes 60 feet in 10 seconds.
Car B goes 60 feet in 15 seconds.
Car C goes 60 feet in 20 seconds.
Which car is going the fastest?
A.Car A is the fastest.
B.Car B is the fastest.
C. Car C is the fastest.
D. All cars are going the same speed.
A.Car A is the fastest.
300
Samantha needs to dry her hair. Which of the following best identifies an energy change that takes place when an electric hair dryer is used?
●
A.electrical to light energy
B.electrical to chemical energy
C.electrical to heat and sound energy
D.electrical to heat and chemical energy
C. electrical to heat and sound energy
300
What is happening when a toaster turns bread into toast?
A.Sound energy is creating crumbs.
B.Heat energy is changing the bread.
C.Light energy is keeping the bread fresh.
D.Electrical energy is making the bread cooler.
B.Heat energy is changing the bread.
300
Patsy puts some ice in a glass of lemonade. Which of the following best describes the temperature change that will happen?
A. The temperature of the ice will decrease.
B. The temperature of the lemonade will increase.
C. The temperature of the lemonade will decrease.
D. The temperature of the ice and lemonade will not change.
C. The temperature of the lemonade will decrease.
300
Kevin plays at the park. He notices many different forms of energy. Which of the following items is the best example of mechanical energy?
A. a streetlight shining
B. a cell phone ringing
C. a grill cooking hamburgers
D. a skateboard rolling down the sidewalk
D. a skateboard rolling down the sidewalk
400
Gretchen rolls a ball across a table as shown below. Which of the following best describes the motion of the ball while on the table?
A. The ball will change direction but not position.
B. The ball will always change position and direction. C. The ball will change direction before changing position.
D. The ball will change position and may change direction.
D. The ball will change position and may change direction.
400
A person observes four objects. A stove plugged into the wall, a flashlight used while camping, a bicycle being pedaled by a boy, and a drum being played by a girl. Which of the following most likely describes the objects?
A. The stove uses heat energy and gives off sound energy.
B. The flashlight uses sound energy and gives off light energy.
C. The bicycle uses heat energy and gives off chemical energy.
D. The drum uses mechanical energy and gives off sound energy.
D. The drum uses mechanical energy and gives off sound energy.
400
Mary plays a violin. She notices that some of the strings on her violin vibrate faster than others. Which of the following best describes the sound made by the faster vibrating strings?
A. The pitch is lower.
B. The pitch is higher.
C. The pitch gets softer.
D. The pitch gets louder.
B. The pitch is higher.
400
While cooking soup for dinner, Andy's mother answers the phone and leaves two spoons a wooden spoon and metal spoon in the pot. When she returns to check on the soup, what will Andy’s mother most likely observe?
A. Both of the spoons made the soup colder.
B. Both of the spoons get hotter than the soup.
C. The metal spoon gets warmer than the wooden spoon.
D. The wooden spoon gets warmer than the metal spoon.
C. The metal spoon gets warmer than the wooden spoon.
400
Laura places salt on a piece of paper. She sets the salt and paper on a speaker and turns on music. Which of the following most likely explains what happens to the salt?
A. The salt bounces on the paper because the music causes the speaker, the paper, and the salt to vibrate.
B. The salt sits on the paper and does not move because salt will not move when the music forms vibrations in the air.
C. The salt flies off the paper and across the room because salt tries to get away from the vibrations in the air caused by music.
D. The salt slides to the other side of the paper because the salt wants to move away from the music and the vibrations in the air.
A. The salt bounces on the paper because the music causes the speaker, the paper, and the salt to vibrate.
500
Chris, Stacy, and Matt met at the mall. All three of them rode their bikes from their own homes. Chris made the trip in 10 minutes. Stacy made it in 12 minutes. Matt made it in 15 minutes. If they wanted to know who rode the fastest, what else would they need to know?
A. the distance between their houses
B. the time each of them left their house
C. the time each of them arrived at the mall
D. the distance between their houses and the mall
D. the distance between their houses and the mall
500
John and Susie conduct an investigation while playing outside. They use a meter stick and a stopwatch to measure how long it takes them to run from one house to the next. What does their investigation most likely measure?
A. speed
B. position
C. direction
D. distance
A. speed
500
What causes the sound you hear when you pluck a rubber band stretched between two fingers?
A.The rubber band vibrates back and forth.
B.The rubber band moves air around it.
C.The rubber band changes color.
D.The rubber band heats up.
A.The rubber band vibrates back and forth.
500
Mr. Hall constructs a model of two rooms with a closed door between them. One room has 50 degree Celsius temperature and other room's temperature is 80 degree Celsius. Which of the following best explains what will happen when Mr. Hall opens the door that is between the two rooms?
A. Heat will move from the 50 degree room to the 80 degree room.
B. Heat will move from the 80 degree room to the 50 degree room.
C. Cold will move from the 50 degree room to the 80 degree room.
D. Cold will move from the 80 degree room to the 50 degree room.
B. Heat will move from the 80 degree room to the 50 degree room.