light
Earth and space
electricity + waves
energy
forces
100

Light radiates from a source in


Waves

100

Whats the biggest planet in our solar system?

Jupiter


100

 What is electric current?

Electric current is the flow of charge around a circuit.


100

what is the unit of energy?

Joules 


100

What is a force?

strength or energy as an attribute of physical action or movement

200

Light waves are


forms of moving energy


200

Which planet has the smallest rings?

Neptune

200

What is resistance ?

Resistance is anything in a circuit that slows down the flow of current.


200

What is the main source of energy?

sun

200

What are balanced forces?

forces that are equal in size and opposite in direction.

300

What are the colors that make up white light in order?


Red ,orange ,yellow ,green ,blue, indigo and violet.

300

why does the earth rotate around the sun?

Earth rotates because Sun attracts the earth and thus pulls earth towards it

300

What is the difference between series and parallel circuits?

The difference between series and parallel circuits is that in parallel circuits, current can take different routes around the circuit. 


300

What are the 7 main energy types?

Thermal Energy.

geothermal Energy. ...

Electrical Energy. ...

Sound Energy. ...

Light Energy.

chemical Energy

300

What makes a ball bounce?

The force of the ball hitting the hard ground puts an equal force back onto the ball,

400

Can one bit of light bounce off another bit of light?


Yes, one bit of light can bounce off another bit of light, but not directly, and the effect is very rare.

400

explain why sound cannot travel in space 

Sound travels through the vibration of atoms and molecules in a medium (such as air or water). In space, where there is no air, sound has no way to travel.

400

Why are parallel circuits sensible?

Because part of them can be ON while other bits are OFF.


400

What is stored energy called?


Potential energy is stored energy and the energy of position

400

What can force change?

A force can speed up or slow down an object. A force can change the direction in which an object is moving

500

Is light a particle or a wave?

light is both a particle and a wave.

500

What are the 7 oceans in order?

Arctic, North Atlantic, South Atlantic, North Pacific, South Pacific, Indian, and Southern oceans

500

What will happen if you increase the potential difference?

More current will flow.


500

Why is energy important to society ?

Energy powers computers, transportation, communications, cutting edge medical equipment and much more.

500

 Explain force in Newton's laws of motion

This law states that force is equal to the rate of change of momentum.

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