Matter
What are the three phases of Matter?
Solid, Liquid, Gas
Define the difference between an independent and dependent variable?
Independent variable is the variable that the scientist changes in the experiment. The Dependent is the data/outcome.
A truck is traveling north at a speed of 55 miles per hour. Which characteristic of the truck is being described?
A.Temperature
B.Matter
C.Volume
D.Motion
D.Motion
Give an example of Electrical Energy transferring to Light Energy
Light Bulb
Which is an example of static electricity?
A. Thunder
B. Hail
C.Lightning
D.Tornado
C.Lightning
Choose two (2) that are examples of solutions:
Powdered Drink Mix
Fruit Salad
Bowl of cereal with milk
Salt Water
A handful of pennies, nickels & dimes
Powered Drink Mix and Salt Water
9. During an experiment, students found that when a piece of iron is left outside in the rain, it rusts over time, while pieces of plastic left outside do not change. What conclusion can be drawn from this observation?
A. Rain causes iron to rust
B. Rain causes plastic to deteriorate
C. Iron is resistant to rain
D. Rain causes plastic to rust
B. Rain causes plastic to deteriorate
What best describes what happens when a boy uses his brakes on a bike?
A.Friction causes the bike to travel more slowly
B.Potential energy causes the bike to travel more slowly.
C.Kinetic energy causes the bike to travel more slowly.
D.Force causes the bike to travel more slowly.
A.Friction causes the bike to travel more slowly
Give an example of Electrical Energy transferring to Thermal Energy
oven, toaster
When building a circuit and the light bulb is on, the circuit is
A.open
B.broken
C.static electricity
D.closed
D.closed
A student makes lemonade by stirring a powdered mix into cold water. Why is the lemonade a solution?
A.The student stirs the water.
B.The water is cold.
C.The powder dissolves in the water.
D.The water changes color.
C.The powder dissolves in the water.
What instrument is used to measure liquid volume?
Graduated Cylinder
What is a force that opposes motion?
A.Energy
B.Potential Energy
C.Friction
D.Kinetic Energy
C.Friction
Give an example of Chemical Energy transferring to Thermal Energy
Grill, gas stove, gas fireplace
Why is electrical wire often wrapped in plastic?
A.Plastic is an insulator
B.Plastic is a conductor
C.Plastic is colorful
D.Plastic keeps the wire warm
A.Plastic is an insulator
Which of the following will happen if the temperature of a cookie sheet is increased in an oven?
A.The molecules will move closer together.
B.The speed of the molecules will decrease.
C.The speed of the molecules will increase.
D.The metal will change into a new metal.
C.The speed of the molecules will increase.
A student did a blindfold taste-test to see if she could tell the difference between diet soda and regular soda. She made a list of constants for her experiment. Which constant did she leave off her list that should have been included?
Lists of Constants:
-Blindfold
-Brand of Soda
A. Amount of soda
B. Type of soda (diet versus regular)
C. Age of experimenter
D. Time of day
A. Amount of soda
Four boys were pushing wheel barrows with different items in them. Who had to use the most amount of force to push his wheel barrow?
A. Boy #2 with feathers in his wheel barrow.
B. Boy #3 with cement bricks in his wheel barrow.
C. Boy #1 with cotton balls in his wheel barrow.
D. Boy #4 with Legos in his wheel barrow.
B. Boy #3 with cement bricks in his wheel barrow.
Extra 100 points if you can explain your reasoning
Give an example of Radiant Energy transferring to electrical Energy
solar panels
What part of a circuit can open and close the flow of electricity through the circuit?
A. wire
B. bulb
C.plastic coating on the wire
D. switch
D. switch
Draw, describe the organization and movement of the molecules for a solid, liquid, and gas.
Teacher will Discuss
A student conducted an experiment which tested the effect a ramp’s surface would have on the distance a toy car would travel. She covered one ramp with sandpaper, one with oil, one with cloth, and one was left uncovered. What is the dependent variable?
A.The type of material on the ramp.
B.The height of the ramp.
C.The ramp covered in sandpaper.
D.The distance the car traveled.
D.The distance the car traveled.
What is the difference between potential and kinetic energy. Draw an example of how they can transform from one to another.
potential- stored energy
Kinetic- moving energy
Example: roller coaster, ball dropping
List all six forms of energy and give an example of each:
Mechanical- moving energy baseball
Heat- Thermal anything that produces heat, oven
Light- Radiant- produces light, light bulb
Sound- produces sounds, speaker
Chemical- battery
Electrical- power lines
Draw and explain the difference between a parallel and a series circuit
Series, one continuous strand
Parallel all lights have their own pathway