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Mariah has a model car. She takes the parts of the car and places them on a pan balance. All of the parts have a mass of 64 g. She then puts the model together and places it on the balance again. What can she say about the mass of the model?
age
It will have the same mass as all of the parts
The mass of a group is equal to the sum of the masses of all its parts.
It will move away from the other magnet.
making an inference
odor and taste
The magnet will attract objects made of metals.
snow melting
Tyler hangs a magnet from a string. He then takes another magnet and moves it toward the magnet on the string. Both magnet have the south pole facing each other. What will happen to the magnet on the string?
age
It will have the same mass as all of the parts
The mass of a group is equal to the sum of the masses of all its parts.
It will move away from the other magnet.
making an inference
odor and taste
The magnet will attract objects made of metals.
snow melting
Hans is classifying a group of minerals by examining their characteristics. Which of the following would NOT be an observable property Hans can use to sort the minerals?
age
It will have the same mass as all of the parts
The mass of a group is equal to the sum of the masses of all its parts.
It will move away from the other magnet.
making an inference
odor and taste
The magnet will attract objects made of metals.
snow melting
Tegan goes into her kitchen. She also observes footprints of orange juice across the kitchen floor. Tegan figures that her cat knocked over the juice, stepped in it, and left the kitchen, making the footprints. What science skill is Tegan using?
age
It will have the same mass as all of the parts
The mass of a group is equal to the sum of the masses of all its parts.
It will move away from the other magnet.
making an inference
odor and taste
The magnet will attract objects made of metals.
snow melting
Skylar makes a list of chemical changes she finds around her home for a homework assignment. Her notes are shown next: leaves decaying, snow melting, wood burning, rust on a bicycle. Which of the items on the list DOES not belong?
age
It will have the same mass as all of the parts
The mass of a group is equal to the sum of the masses of all its parts.
It will move away from the other magnet.
making an inference
odor and taste
The magnet will attract objects made of metals.
snow melting
Angie has three bouncy balls that all have the same mass. She knows that one bouncy ball has a mass of 10 grams. To find out the total mass of all her bouncy balls together, she adds three 10s and gets a total of 30 grams: Why does this method work?
age
It will have the same mass as all of the parts
The mass of a group is equal to the sum of the masses of all its parts.
It will move away from the other magnet.
making an inference
odor and taste
The magnet will attract objects made of metals.
snow melting
Anna is describing the physical properties of red and green grapes. Which two physical properties can she determine without using any measurement instruments?
age
It will have the same mass as all of the parts
The mass of a group is equal to the sum of the masses of all its parts.
It will move away from the other magnet.
making an inference
odor and taste
The magnet will attract objects made of metals.
snow melting
Ahmed is conducting an investigation with magnets. He will use the magnet to try to attract the following objects: a dime, a plastic button, a nail, a paper clip, and a pencil. Which of the following statements is a prediction Ahmed might make?
age
It will have the same mass as all of the parts
The mass of a group is equal to the sum of the masses of all its parts.
It will move away from the other magnet.
making an inference
odor and taste
The magnet will attract objects made of metals.
snow melting
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