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Science Unit 10

Posljednje ažuriranje about 2 years ago

7

1

1

Pitanje 1

1.

Which of these waves has the highest pitch?

B

A

C

1

Pitanje 2

2.

___ means not allowing light to pass through.

Translucent

Opaque

Refract

Transparent

1

1

1

Pitanje 5

5.

A __ breaks white light into different colors.

Mirror

Prism

Lens

Shadow

1

Pitanje 7

7.

Which of these is a good sound conductor?

Paper

Cork

Foam

Metal

Pitanje 3

3.

___ means allowing some light to pass through.

Refract

Transparent

Translucent

Opaque

Pitanje 4

4.

Why is sunlight so important?

Sunlight energy transforms to heat energy on earth.

Plants transform sunlight energy into sugars.

All of these

Without the sun, there would be no water cycle.

Pitanje 6

6.

When light cannot travel through an object, _____ are formed.

Prisms

Shadows

Colors

Mirrors