Forces & Motion
Motion
Energy in Mechanical Systems
Forms of Energy
Light Energy & Interactions
100
An airplane's flight path is an example of this type of motion.
What is variable motion?
100
Video question.
What is 4 units?
100
A student attempted to complete an electrical circuit using a wooden popsicle stick, a rubber eraser and a metal spoon. Which of the objects allowed the student to complete the circuit?
What is the metal spoon?
100
This is also known as heat energy.
What is thermal energy?
100
When you look at yourself in a mirror, the letters on your shirt will appear this way?
What is backward / reversed (but the same size)?
200
A soccer ball will travel farthest when rolled with the same amount of force on which surface: a sandy beach, a wood floor, a frozen pond, or a carpet?
What is a frozen pond?
200
A baseball is hit into the air. This forces causes the baseball to slow down and then fall to the ground.
What is gravity?
200
How does convection differ from conduction?
Convection is the transfer of heat through liquid, gas or air. The objects are NOT touching.
200
Complete the following sentence: Energy is never created or destroyed, it is only ___________?
What is transferred or transformed?
200
The bending of light causes a pencil to appear to bend when it is placed in water?
What is refraction?
300
An escalator, which constantly moves at the same speed and in the same direction, is an example of this final type of motion?
What is uniform motion?
300
Three students of equal weight and height are playing on a slide. Student A is wearing sweatpants, Student B is wearing a skirt, and student C is wearing jeans, which student will slide down the slide fastest?
The student in sweatpants.
300
Materials that allow electricity to flow, such as a copper penny and a metal spoon are called this?
What are conductors?
300
A child leaves a metal spoon in a boiling pot of water. When the student picks up the spoon, she burns her hand. Why?
Heat energy from the water is transferred to the spoon, a good conductor of heat, and burns the child.
300
This type of surface is needed for light to be reflected.
What is a smooth surface?
400
Give three examples of periodic motion.
Answers will vary (swing, see saw, a clock, a pendulum, etc.)
400
Students are attempting to move several containers with a rubber band. Container A weighs 250 grams, the Container B weighs 500 grams, and Container C weighs 750 grams. Which container will travel farthest when the same amount of force is applied to each container?
Container A
400
Video question.
What are A and C?
400
This type of energy (which can be potential or kinetic) is due to motion, movement, or its position (and therefore potential movement)
What is mechanical energy?
400
A bird is looking at itself in a mirror. The bird will appear to itself to be larger, smaller, or the same size as it is in real life?
What is the same size?
500
This is a force that occurs when two objects rub together. When an object is in motion, it causes that object to slow down. It can also create heat energy when applied for a long period of time.
What is friction?
500
Two identical basketballs are dropped from two different heights. Basketball A is dropped from 10 feet, while basketball B is dropped from 20 feet. When there bounce height was measured, they both bounced 8 feet. What is the only possible explanation for why they bounced the same height?
Different amounts of force were applied when dropped.
500
Copper wires used in circuitry are covered in plastic or rubber. Plastic and rubber are insulators. Why are insulators used in electrical circuits?
To keep electricity flowing in a single pathway.
500
A students plugs in a spotlight to the wall to use during a school play. Among which three forms of energy is energy being transferred?
What is electrical, light, and heat?
500
This is the reason that some objects, such as coal, appear black.
What is all light is absorbed / no light is reflected?
M
e
n
u