Simple Machines
Light Energy
Sound Energy
Forces At Work
Light and Color
100
A wagon is this kind of simple machine
What is lever
100
Light energy helps plants and humans
What is helping it to grow, and providing heat
100
Sound energy is
What is energy you can hear
100
Pressing a doorbell is an example of what kind of force
What is push
100
Opaque, transparent or translucent Wood___________
Wood - opaque
200
A slide and a ramp are examples of
What is inclined plane
200
This makes up white light
What is all the colors of light
200
Plucking a guitar string produces a vibration. A vibration is
What is a back and forth motion
200
Friction acts on motion by a. speeding it up b. remaining the same c. slowing it down
c. slowing it down
200
A blue balloon is floating in the air, why do you see the color blue
You see the color blue, because white light is absorbed and the blue light is the only color that is reflected
300
A flag pole and a clothes line are _______________; how do they work?
What is a pulley A pulling force is applied to one side, which cause the opposite side to go up.
300
We can see black light
When all the colors of white light is absorbed
300
Volume is _________ or ___________ sound is While pitch is _____________ or __________ sound is
Volume-Loud or soft Pitch-Low or high
300
A force that acts at a distance Do you need more, less , the same amount a force to push a empty cart vs a cart with 50 pounds in it
What is Gravity Less force to push the empty cart
300
Translucent, Transparent, or Opaque Wax paper_________ Aluminum foil_____________ Clear plastic_____________
Wax paper - translucent Aluminum foil -opaque Clear plastic- transparent
400
The steering wheel of a car is a ______________
What is a wheel and axle
400
The light on a object reflects yellow to your eye. The color of your object is
What is yellow
400
The guitar string that has the longest vibration and highest pitch is____________ why a. _________________________ b._______________ c.______
What is c. The shorter and thinner the string the shorter the vibration and it will produce the highest pitch.
400
Fastest scholar is a. Bryce 8m/min b. Jahnol 4m/min c. Sade 6m/min d. Donavon 9m/min
Who is d. Donavon at 9m/min
400
Light travels in ______________ lines Light bounces or ______________ Light ______________ when it passes through another material like water
- Straight lines - Reflects - Refracts
500
List all the similarities between a doorstop and a ax.
wedge triangular shape push things apart changes direction of the force applied to it
500
The light shines on a object on the right. The objects shadow would be on the ______________, why
Left. The shadow is produced when an opaque object blocks light from a light source. The shadow is produced on the opposite side of the light source.
500
Sound can not travel through empty space, why
Sound can not travel through empty space, because there are no particles to vibrate
500
Ms. Capers is traveled 375km North West in a hour. -What direction did she travel in -How distance did she travel -What was Ms. Capers speed
Direction- North West Distance- 375 km Speed- 375km per hour or 375km/hr
500
Ms. Dunlap wants to use direct sun light to warm her water. Should she use a white or black container, why
Ms. Dunlap should use a black container, because black absorbs light and the absorbed light will heat the water. Sunlight provides heat.
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