Which of the blocks shown would not move when exposed to the forces ?
Which of the blocks shown would not move when exposed to the forces ?
Energy can be ……
What energy store is in a cup of hot tea
The units for energy are
What energy store is in ball before it is dropped to the ground
What energy store is in a battery?
1.Calculate the mean from the following. Give answer to 1 decimal place:
2.2 2.8 3.5
The transfer of thermal energy through a substance by the vibration of particles is?
1. Convection
2. Conduction
3. Radiation
4. Insulator
A substance that does not easily transfer thermal energy e.g. rubber, is named?
1. Convection
2. Conduction
3. Radiation
4. Insulator
A substance that does allow thermal energy to pass through e.g. copper, is named?
1. Convection
2. Conductor
3. Radiation
4. Insulator
________ is the transfer of thermal energy from hot to cold places by the rise of particles in a fluid.
1. Convection
2. Conduction
3. Radiation
4. Insulation
How does the energy of the sun reach Earth?
1. Convection
2. Conduction
3. Radiation
4. Insulation
Roasting marshmallows over a fire is an example of-
An ice cube melting in your hand is an example of-
Ironing clothes is an example of-
The liquid moving in a lava lamp is an example of-
Heat from the sun warming your face is an example of-
Warming your hands on a cup of hot cocoa is an example of-
Energy cannot be...
Which equipment would you use to measure 93ml of water?
What is the correct definition of efficiency?
State the equation used to calculate efficiency
If a kettle has an efficiency of 0.875, what is this efficiency written as a percentage?
Which of the blocks shown would not move when exposed to the forces ?
The ball in Scenario D is moving at the same speed as the ball in Scenario A. This is because
The best way to counteract momentum is by _____________________.
What is the unit for momentum?
What is momentum?
As the mass increases, the amount the spring stretches…
When we stretch a spring, the force acting through it is…
When hot air rises, this is an example of...
You accidentally touch a hot stove and burn your hand. This is an example of...
The metal part of the seat belt burns your leg when you sit on it after the car sat in the sun all day is an example of...
How do you get a sun burn?
A hot air balloon moving up and down in the sky is an example of-
Which of the following is NOT an example of matter?
Which of these statements is true for potential and kinetic energy?
An illustration of a roller coaster is provided. At which point in the roller coaster's journey along the track does it have the greatest kinetic energy?
A book is sitting on a shelf. How could you decrease the potential energy of the book?
An object's potential energy would be most influenced by which of the following:
What type of electromagnetic wave are we observing when we (humans) see colors?
Sound can travel through outer space.
Which word means energy in motion?
Which word means how fast an object is moving?
Which word means stored energy an object has because of its position ?
Which word means force that pulls objects to Earth ?
What is friction?
What is energy?
For every action is there is an equal and opposite reaction.
The mathematical relationship between momentum, mass, and velocity is
If momentum is conserved, then the total momentum after a collision is equal to
Which of the following best show the mathematical relationship between force, mass, and acceleration.