Forces
This force causes objects to move closer to you.
What is a pull?
The names of the two poles on a magnet.
What is the North and South pole?
True or False: Gravity pulls objects towards the centre of the Earth.
What is true?
These 2 charges allow a balloon to stick to the wall.
What are positive and negative charges?
The 4 directions that make up a compass.
What is North, South, East and West?
Kicking a soccer ball is an example of this type of force.
What is push?
Charges that are the same _____ each other.
What is repel?
This scientist is credited with helping discover gravity.
Who is Isaac Newton?
True or False: The speed of sound is faster then the speed of light.
What is false?
The compass needle is composed of this type of metal.
What is iron?
This force is caused by electrical charges interacting with each other.
What is electrostatic force or static electricity?
Name 3 metals that will be attracted by a magnet.
What is nickel, iron and cobalt?
A feather takes longer then a rock to hit the ground because of this type of force.
What is air resistence?
What is lightning?
A compass works becuase of _______ field lines.
What is magnetic?
The names of the 3 main non-contact forces.
What is gravity, electrostatic force and magnetism?
List 5 everyday objects that use magnets.
What is a compass, hard drive, speakers, headphones, and MRI's?
This occurs when a pen and pencil are dropped to the ground.
What is they hit the ground at the same time?
This type of electricity can occur when clothes are in the dryer.
What is static electricity?
The names of the two layers of Earth that help create magnetic field lines.
What is the outer and inner core?
These two forces are working together to keep the planets in orbit around the Sun.
What is gravity and the velocity of the planets?
The name given to negative and positive electrical charges.
What are electrons and protons?
These 2 factors impact how fast an object falls to the ground.
What is mass and height (Distance)?
This device provides electricity to a flashlight.
What is a battery?
The 1st compass was used by this civilization and for this purpose. (Hint: A type of cookie is named after this).
What is China and fortune-telling?