For a circuit you need ____________, ______________, & _____________
What is Electricity source, object that uses electricity, and wires?
300
The distance an object travels in a specific amount of time
Speed
300
There is no gravity or friction here. An object will keep moving at the same speed & direction until another force acts upon it.
What is outer space
300
Sound vibrations spread out into
What are Waves?
300
Bouncing a light ray off a surface
What is a reflection?
300
Name at least two properties of electricty
What is Magnetism, Heat, Light, or Sound?
400
If a bike rider is traveling 60 km an hour for 3 hours, how many km will the rider have completed at the end?
90 km
400
Force that occurs when two things rub against eachtoher.
What is Friction.
400
When sound is created, it travels to our ears through ______ ________
What is vibrating air
400
Bending of light rays
What is refraction?
400
What is the difference between a complete circuit and incomplete circuit?
Complete circuit allows for constant flow of electricity. Incomplete circuit has interruption of electric flow.
500
A trailer travels in the same direction for 3 hours at 10km an hour. It turns around and travels 2 more hours in that direction which brings it 10km away from it's starting point. What influence of motion is this problem an example of?
What is Direction?
500
Where is friction greatest?
Rough surfaces
500
When space is empty (including no air particles), can sound travel through it?
No.
500
piece of glass that is curved
What is a lens?
500
What happens if both wires of a circuti are connected to the same side of a light bulb?
Electricity will only travel around the circuit and skip the lightbulb.