Choose the correct answer: When we throw a ball upward, it returns back to the ground due to

Choose the correct answer: The mass of an object and its distance from the Earth's surface affect the gravity force

Choose the correct answer: Gravity and magnetism

Choose the correct answer: Magnets can be made of

Choose the correct answer: ______ is a magnetic material that is attracted to the magnet

Choose the correct answer: Some materials cannot be attracted to the magnet, because they are

Choose the correct answer: If we put a piece of aluminum foil and a piece of wood close to a magnet, the magnet

Choose the correct answer: All the following materials are called magnetic materials, except

Choose the correct answer: A magnet attracts certain objects like ______ when they locate in its magnetic field

Choose the correct answer: The area around the magnet in which magnetism can be observed is known as

Choose true or false: Electric circuit is the path for electricity that consists of many components that work together as one system

Choose true or false: The force of gravity between an object and the Earth increases when the distance between them increases

Choose true or false: Light bulbs can be connected together by two ways, which are series way and parallel way

Choose true or false: Due to the great mass of Earth, it attracts all objects towards its center

Choose true or false: The attraction force of a far object from the Earth's surface is more than that of a near object

Choose true or false: Magnetism is an attraction or a repulsion force, while gravity is a repulsion force only

Choose true or false: The force of gravity appears when any object is thrown upward into the air as it will return back to the Earth's surface

Choose true or false: The magnet has a force called magnetism

Choose true or false: Small pieces of paper can be used to see the magnetic field of a magnet

Choose true or false: All materials can be attracted to the magnet

Choose true or false: Magnets attract the non-magnetic materials such as iron, nickel and steel

Choose true or false: Cobalt is an example of magnetic materials

Choose true or false: Magnets are made of some metals like iron

Choose true or false: If non-magnetic objects are put at any distance from the magnet, they will be attracted

An electric shock may happen to a human body due to

A magnetic field can be formed when an electric current flows around

Choose True or False: Electricity can be produced from magnetism.

Choose True or False: Water in dams are used to operate wind turbines.

Choose True or False: To make an electric current flow through a circuit, all of its components must be connected in a closed path.

Choose True or False: The electric circuit must contain a source of electricity such as the switch.

Choose True or False: The thermostat in a refrigerator contains an automatic switch.

Choose True or False: All materials allow electric current to flow through them.

Choose True or False: Copper, aluminum and rubber are electric conductors.

Choose True or False: When the electric circuit is opened, the electric current doesn't flow through it.

Choose True or False: All metals are electric insulators.

Choose True or False: Electric wire can be made of copper and covered with plastic or rubber.

Choose True or False: Electricity and magnetism can work together.

Select the correct scientific term: The device which converts mechanical energy into electrical energy.

Select the correct scientific term: A form of energy that is produced from generators and turbines.

Select the correct scientific term: The flow of electrons through an electric wire.

Select the correct scientific term: A closed loop which electric current can flow through.

Select the correct scientific term: A tool which is used to open and close the electric circuit.

Select the correct scientific term: It contains an automatic switch to adjust the temperature inside the refrigerator.

Select the correct scientific term: The materials that allow the electric charges to flow through.

Select the correct scientific term: The materials that do not allow the electric charges to flow through.

Generators convert energy to energy.

Electrical energy is used in all the following, except

The flow of electric charges along a closed path is known as

are used to spin the magnet in the generator to produce electricity.

Wind turbines need to produce electricity.

The source of electricity in an electric circuit is a

The electric circuit contains a which is responsible for opening and closing the circuit.

When the switch is turned off, it the circuit, so the electric current

All the following materials are considered as electric conductors, except

The automatic internal switch on a is used in the refrigerator to adjust its temperature.

Electric insulators like and do not allow electricity flow through them.

Choose the correct answer: .......... is a material that cannot allow electric current to flow through.

Choose the correct answer: The electric wires can be made of ........ or ........

Choose the correct answer: The electric wires are covered with .......... as it is a .......... conductor of electricity.

Choose the correct answer: All the following materials are electric insulators, except ..........

Choose the correct answer: To insulate electric wires we can wrap them with all the following materials, except ..........

Choose the correct answer: Metallic materials are considered as electric .........., while plastic and rubber are considered as electric ..........

Put (✓) or (x): Wood and plastic are electric insulators.

Put (✓) or (x): Electric current can flow through all materials.

Put (✓) or (x): Electric wires are covered with plastic to protect us from electric shock.

Put (✓) or (x): Electric insulators allow electric current to pass through them.

Put (✓) or (x): Copper, rubber and iron are electric conductors.

Put (✓) or (x): Materials made of metals can conduct electricity.

Put (✓) or (x): If a person touches an insulated electric wire, he will be shocked by electricity.

Put (✓) or (x): Rubber is a good conductor of electricity, while water is a bad conductor of electricity.

Put (✓) or (×): In the series circuits, the electric current can flow in different branches.

Put (✓) or (×): The materials that are used to connect the components of the electric circuit are called electric insulators.

Put (✓) or (×): Electric resistors are used to slow the flow of electrons through an electric circuit.

Put (✓) or (×): The electric insulators keep us safe from getting shocked by the electric current.

Put (✓) or (×): Towns and cities are parts of an electric circuit.

Put (✓) or (×): The electric devices in houses are connected in series circuits.

Put (✓) or (×): The device that is used to detect the electric current is called galvanometer.

Put (✓) or (×): When a magnet is placed at rest away from a coil, an electric current will be produced.

Put (✓) or (×): The needle of a galvanometer moves on moving a magnet in and out of a copper coil.

Put (✓) or (×): By increasing the number of loops in a coil and moving a magnet inside it rapidly, the amount of generated electric current will decrease.

Put (✓) or (×): There is no relation between magnetism and electricity.

Write the scientific term: Materials that allow electrons to flow through them easily.

Write the scientific term: Materials that don’t allow electrons to flow through them easily.

Write the scientific term: One of the components of an electric circuit that is used to limit the flow of electricity through the circuit.

Write the scientific term: The type of electric circuits in which all components must be connected in one loop.

Write the scientific term: The type of electric circuits that is found in houses and help in operating many devices at the same time.

Write the scientific term: A device can be used to detect the flow of electric currents.

Choose the correct answer: Electricity can flow through ..........

Choose the correct answer: .......... can be found in toasters and ..........

Choose the correct answer: In the .......... circuit, the light bulbs that are connected in one loop will light up.

Choose the correct answer: .......... are used to stop the flow of electricity.

Choose the correct answer: In a .......... , the electric current can flow through different branches.

Choose the correct answer: A .......... is used to slow the flow of an electric current in the electric circuit.

Choose the correct answer: Scientists use a .......... to detect the flow of electric currents.

Choose the correct answer: Electric resistors are found in all of the following devices, except ..........

Choose the correct answer: All of the following are from the properties of parallel electric circuits, except ..........

Choose the correct answer: The _____ is a muscle that beats inside the human body to push the blood to all body parts.

Choose the correct answer: The healthy heart has a _____ which produces electrical currents that cause the heart to _____.

Choose the correct answer: The artificial pacemaker is inserted into the _____ of the human body.

Choose the correct answer: The artificial pacemaker contains a _____ to send information to physicians, so they know the condition of the _____.

Choose the correct answer: The artificial pacemaker is made to produce _____ that makes the heart contracts.

Choose the correct answer: All of the following are correct about artificial pacemaker, except _____.

Put (✓) or (x): Sometimes electricity can be used to help the human heart to beat correctly.

Put (✓) or (x): The heart is a muscle that beats constantly for the duration of our lives.

Put (✓) or (x): The natural pacemaker inside our heart produces electrical currents to make it contracts.

Put (✓) or (x): The natural pacemaker contains a built-in antenna.

Put (✓) or (x): Scientists use an artificial pacemaker to stimulate the heart muscle to beat regularly.