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- 1. Multiple Choice
Emma is studying the physical properties of a rock. She puts water in a graduated cylinder, and then puts a rock into the graduated cylinder. Which of these properties is Emma measuring? Choose the correct answer.
A. Mass
B. Texture
C. Volume
D. Temperature
- 2. Multiple Choice
How does sound get from the inner ear to the brain?
A. They pass through the eardrum.
B. They are translated by receptors into nerve signals.
C. They make tiny hairs move in the cochlea.
D. They cause fluid to move in the outer and middle ear.
- 3. Multiple Choice
Electromagnets create a ________ field around a core. The battery, wire, and core cause the ________ current to flow, which magnetizes the metal.
A. compass, electricity
B. magnetic, electric
C. magnetic, compass
D. electric, energy
- 4. Multiple Choice
Roberto makes an electric circuit that has a switch as one of its parts. The diagram shows the circuit that he makes. What would happen to the light bulb if Roberto changed the switch from closed to open?
A. It would be duller.
B. It would be brighter.
C. It would stop glowing.
D. It would start glowing.
- 5. Multiple Choice
Kelly launches her toy rocket straight up into the air on a day that is not windy. How will gravity affect the toy rocket?
A. Gravity will have no effect on the movement of the toy rocket.
B. Gravity will make the toy rocket fly a few inches above the ground.
C. Gravity will pull the toy rocket down toward the center of the planet.
D. Gravity will push the toy rocket up into space.
- 6. Multiple Choice
A company is making plans for a skyscraper. They consider adding extra support to the structure using stronger materials. Which constraints might the company experience by doing this? Select ALL that apply.
A. Safety of the building
B. Cost of the materials
C. Durability of the skyscraper
D. Time it will take to build
- 7. Multiple Choice
Kayla boils a pot of water. What will happen when she sticks a metal spoon that is at room temperature into the boiling water?
A. Heat energy from the boiling water will cause the spoon to dissolve.
B. Heat energy from the water will flow to the metal spoon, causing the spoon to increase in temperature.
C. The metal spoon will soak up the boiling water, causing the spoon to increase in temperature.
D. Heat energy from the metal spoon will flow into the water, causing the spoon to decrease in temperature.
- 8. Multiple Choice
What is the measurement from the straight line to the top of the wave?
A. its pitch
B. its speed
C. its vibration
D. its amplitude
- 9. Multiple Choice
Every night, Sarah and her friend Jessica wave to each other from their kitchen windows. The arrow below points to their two windows. Sarah wishes she and Jessica could talk to each other, but parents do not allow them to use their cell phones after 8:00 p.m. If Sarah made a sound loud enough for Jessica to hear, it might wake up their parents and neighbors. What would be the fastest, easiest way for Sarah and Jessica to get messages to each other at night without using their cell phones and bothering their parents or neighbors?
A. Use Morse code to send messages by playing drums.
B. Send smoke signals to each other using lit candles.
C. Write large messages on dry erase boards and hold them out the windows.
D. Shine flashlights toward each other and use Morse code.
- 10. Multiple Choice
The diagram shows a wave pattern. What part of a wave is represented by B?
A. crest
B. trough
C. amplitude
D. wavelength
- 11. Multiple Choice
The handles of the pots and pans must not get hot when being used.
A. Reflectivity
B. Thermal Conductivity
C. Hardness
D. Magnetic Forces
- 12. Multiple Choice
The lids of the pans are attracted to a rack on the back of the cabinet door for easy storage.
A. Reflectivity
B. Thermal Conductivity
C. Hardness
D. Magnetic Forces
- 13. Multiple Choice
The cookware is made of a shiny material to look clean and new.
A. Reflectivity
B. Thermal Conductivity
C. Hardness
D. Magnetic Forces
- 14. Multiple Choice
The cookware does not dent when dropped.
A. Reflectivity
B. Thermal Conductivity
C. Hardness
D. Magnetic Forces
- 15. Multiple Choice
The diagram includes a producer and a consumer. How is energy transferred in the diagram below?
A. Matter is transferred from the sun, to the grass, to the cow.
B. Matter is transferred from the cow, to the grass, to the sun.
C. Energy is transferred from the sun, to the grass, to the cow.
D. Energy is transferred from the cow, to the grass, to the sun.
- 16. Multiple Choice
The diagram shows some organisms that live in a grassland environment. Which of these describes all the organisms shown?
A. producers (leaves and grass) and decomposers (antelope, lion and baboon)
B. producers (leaves and grass) and consumers (antelope, lion and baboon)
C. producers (antelope, lion and baboon)
D. consumers (leaves and grass)
- 17. Multiple Choice
The model represents sound from a drum. What does the model show?
A. only the amplitude of the waves
B. only the wavelength of the waves
C. the amplitude and wavelength of the waves
D. the waves traveling in air, water, and glass
- 18. Multiple Choice
Alonzo has a battery-operated toy car. When he turns the toy car on, it moves across the floor. Which energy transformation happens in the toy car?
A. sound energy to stored energy to electrical energy
B. electrical energy to stored energy to motion energy
C. motion energy to electrical energy to sound energy
D. stored energy to electrical energy to motion energy
- 19. Multiple Choice
Jacob noticed that when he opened his bedroom door, the door hit the wall. He decided to design something to absorb the energy of the door so that it does not damage the wall. Which solution would be best?
A. a spring
B. a pencil
C. a glass
D. a fork
- 20. Multiple Choice
A bee collects nectar from a flower. The nectar is taken back to the beehive, where it is made into honey. The honey is used as food for the entire beehive. Where does the energy of the honey originally come from?
A. bee
B. flower
C. sugar
D. sun
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