Matter
The temperature was 72 F at noon. By 5'clock the temperature was 78 F. What was the increase in temperature?
What is 6 F?
What is a mixture?
Lemon Juice and Water, Salt and Water, or Cereal and Milk
Cereal and Milk
Which of the following statements best describes the conservation of matter?
A) Matter can change from one form. to another, but the total amount remains the same.
B) Matter can be destroyed and disappear completely.
c) Matter can be created out of nothing.
Which of the following scenarios demonstrates energy transfer by water?
a) A person jumps into a pool and it causes a splash
b) A glass of water is placed on a table, nothing happens.
c) A water bottle is left in a car on a hot day, and the water becomes warm.
Aluminum, copper, steel and iron
What is a conductor?
Why do magnets stick to a refrigerator door?
The refrigerator door is made up of metal or magnetic material.
What is a solution?
trail mix, cereal and milk, or food coloring and water
Food coloring and water
What is a mixture?
A combination of two or more substances in which each keeps its own properties and both can be easily separated
Which of the following scenarios demonstrates energy transfer by objects in motion?
a) A basketball is placed on a shelf.
b) A soccer ball is kicked in the air and stays in the air.
c) A baseball is thrown back and forth between two people.
Rubber, cotton, plastic, and wood
What is an insulator?
A jar of ice cubes has a mass 60 grams. After all the ice cubes have melted what would the mass be?
60 grams
The mass of water is 70 grams and the mass of sand is 50 grams. Considering the conservation of matter, what is the total mass of the mixture?
120 grams
What is a solution?
A liquid mixture in which one substance is mixed evenly throughout another substance.
Which 2 statements demonstrates transfer of energy by sound?
A) Sound energy produced by speakers is transferred from the stage to the audience
B) A boat creates waves in the water
C) A guitar string vibrates creating sound waves
A pathway that prevents electric current from flowing freely or that stops the flow.
What is an open circuit?
List 3 items that will float.
Rubber duck, ping-pong ball, beach ball, raft, cotton ball
A solution is created when water and _____ are mixed together?
a) pepper
b) rocks
c) salt
d) sand
A pathway that allows an electric current to flow freely
What is a closed circuit?
Which 2 activities transfers energy by waves in the water?
A) Sound energy produced by speakers is transferred from the stage to the audience
B) A boat creates waves in the water
C) A surfer rides a wave on her surfboard
I have a circuit with a battery, a light bulb, a metal spoon, and wires all connected. What is the circuit called? Select 2 answers.
A) open circuit
B) closed circuit
C) incomplete circuit
D) complete circuit
A kid flattened a 25 gram ball. The flattened ball still had a mass of 25 grams. What can you conclude by this information?
Mass does not change when the shape of an object changes.
A combination of two or more substances that keep their own properties.
What is a mixture?
A material through which heat or electricity does not easily flow
What is an Insulator?
A guitar produces sound energy because ______
a) the movement of the string causes heat
b) you can see the person playing the guitar
c) when the strings are moved, they vibrate
What is the role of a battery in a closed circuit?
turning the light bulb on and off
producing energy for the circuit
carrying electrical energy to the light bulb
changing the electrical energy into light energy