Energy made from vibrations.
Sound Energy
Electricity is made from moving ___________.
Electrons
Oreo
Insulator
A student is riding a bicycle on a flat sidewalk. If the student pedals harder and applies a greater force to the pedals, what will most likely happen to the bicycle?
Select TWO correct answers.
A. The bicycle will increase in speed.
B. The bicycle will stop moving completely.
C. The bicycle will move faster in the direction it is traveling.
D. The bicycle will remain at the same speed.
E. The bicycle will move backward.
A. The bicycle will increase in speed.
C. The bicycle will move faster in the direction it is traveling.
The tv changes the electricity to _______ to show a picture on a screen.
light
What types of energy are made by fire. (2)
Thermal and Light
If the light bulb turns on it is what type of circuit?
Closed Circuit
Paperclip
Conductor
A teacher is pushing a wagon filled with books across the playground. The amount of force the teacher must use to move the wagon MOST likely depends on the wagon’s —
A. direction
B. color
C. mass
D. shape
C. mass
The _________ energy from the outlet converts into mechanical energy as the blades turn.
Electrical
Jenny turns on the radio. She is turning electrical energy into what type of energy?
Sound energy
A circuit that does not have a complete path for electric current to flow.
Incomplete Circuit
Identify 3 conductors
Answers may vary
Which question about force and motion could be answered by conducting an experiment in the classroom?
A. How does the amount of force affect how far a toy car travels?
B. How do black holes affect objects in space?
C. What causes planets to orbit the Sun?
D. How does the Moon affect ocean tides?
A. How does the amount of force affect how far a toy car travels?
What energy transformation happens when rubbing your hands together?
_________ energy to __________ energy
mechanical energy to thermal energy
Write down 3 types of mechanical energy.
answers may vary
Which energy transformation occurs when the switch is closed?
______-________-________
chemical → electrical → light
Plastic Water Bottle
Insulator
Two students push identical toy cars across the floor. Student A pushes with a greater force than Student B. Both cars start at rest and move across the same type of surface. Which statement BEST describes what will most likely happen?
A. Student A's car will travel faster because a greater force is applied.
B. Student A's car will have more mass because a greater force is applied.
C. Student B's car will travel farther because less force is applied.
D. Both cars will move at the same speed because they have the same mass.
A. Student A's car will travel faster because a greater force is applied.
What type of energy transformation happens when you play a drum?
Mechanical energy → Sound energy
Write down 3 types of sounds energy.
answers may vary
In a circuit, where does the energy source come from?
Battery
Water
Conductor
A student rolls a ball across two different surfaces. The ball travels 5 meters across a smooth floor but only 2 meters across a rough carpet. Which statement BEST explains why the ball travels a shorter distance across the carpet?
A. Gravity stops acting on the ball when it reaches the carpet.
B. The carpet creates more friction that opposes the ball's motion.
C. The ball gains mass as it rolls across the carpet.
D. The carpet applies a force that makes the ball move faster.
B. The carpet creates more friction that opposes the ball's motion.
What type of energy transformation happens when you turn on a flashlight?
Chemical energy → Electrical energy → Light energy