SCIENCE 6

 __________________

is the number of times a complete wave repeats in a given amount of time.

A _____ is a disturbance that transfers energy from place to place.

______________ describes a mirror that curves outward or a lens that is thicker in the center than at the edges.

A type of material that transmits light without scattering it is called ___________.

What is the relationship between wave frequency and energy level?

• The higher the frequency, the lower the energy level.

• The higher the frequency, the higher the energy level.

• The lower the frequency, the higher the energy level.

• The lower the frequency, the more mid-range the energy level.

What properties of a magnet is the maglev train using to keep it levitating or floating above the track?

• north and south poles repel each other, and cause the train to levitate/float

• north and south poles attract each other, and cause the train to levitate/float

• like poles (north to north or south to south) attract each othr, and cause the train to levitate/float

• like poles (north to north or south to south) repel each other, and cause the train to levitate/float

What is the order of visible light from lowest frequency to highest frequency?

• violet, indigo, blue, green, yellow, orange, red

• red, orange, yellow, green, blue, indigo, violet

• green, blue, indigo, violet, red, orange, yellow

• green, red, orange, yellow, blue, indigo, violet

Which is true about mixtures?

• Substances in a mixture cannot be separated after combining

• Each substance in a mixture develops new chemical properties

• Each substance in a mixture keeps its individual properties

• Substances in a mixture exchange electrons

What is the difference between chemical and physical changes?

• Chemical changes do not produce new substances.

• Only chemical changes can affect the appearance of a substance.

• Physical changes can be predicted but chemical changes cannot.

• Chemical changes produce new substances.