wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Hydro Power

Total questions: 21

Worksheet time: 4mins

Name
Class
Date
1.

How does a dam work

a)

Water pushes a turbine to make electricity

b)

Water is turned into electricity

c)

None of the above

d)

all of the above

2.

Which one is a diversion Dam

(Water is diverting all or a part of the flow of the river.)

a)
b)
c)
d)
3.

A dam has a turbine, (a)   , Transformer, and Electricity

4.

Where are the dams built?

a)

Oceans

b)

Rivers

c)

Lakes

d)

Pools

5.

Where does the energy from dams come from?

a)

Water

b)

Ground

c)

Big turbines

d)

Trees

6.

What does a dam look like

7.

What is hydro?

a)

water

b)

wind

c)

nuclear

d)

gas

8.
Hyrdo Power is a __________ energy resource.
a)

Renewable

b)

Nonrenewable

9.

What are 2 cons (disadvantages) of using water power?

a)

Dams are expensive to build

b)

It creates a lot of electricity

c)

It is renewable

d)

numerous environmental consequences

10.

What do you call the area where water is stored behind a dam?

a)

reservoir

b)

generator

c)

refuge

d)

turbine

11.

What happens when water flows through a dam?

a)

The water evaporates.

b)

The water turns a turbine.

c)

The water is pumped back up.

d)

The water creates sparks making electricity.

12.

What allows water to flow through a dam?

a)

The water is pumped out.

b)

The water constantly flows through without ever stopping.

c)

The water is pushed out when a motor is turned on.

d)

The water is released from a higher elevation to a lower elevation.

13.

What is the job of a turbine?

a)

When it spins, it makes sparks causing electricity.

b)

It moves the energy from the flow of water to a generator.

c)

It slows down the speed of the water to keep it at a steady pace.

d)

It controls the water so it can be pumped back up the dam.

14.

What does a generator do?

a)

It spins when the water passes through it.

b)

It moves the water from a higher elevation to a lower elevation.

c)

It helps the movement of fish to pass safely through the dam.

d)

It produces electricity.

15.

An electric current flowing in one direction only is:

a)

Alternate Current

b)

Reverse Current

c)

Direct Current

d)

Indirect Current

16.

A barrier constructed to hold back water and raise its level, forming a reservoir used to generate electricity or as a water supply is a:

a)

generator

b)

reservoir

c)

dam

d)

turbine

17.

Hydroelectricity is constantly recycled by

a)

gravity

b)

the sun

c)

ocean

d)

clouds

18.

True or false: Moving water...generator...turbine

a)

True

b)

False

19.

Dams create a greenhouse gas.

a)

CO2

b)

CO

c)

Methane

d)

NOx

20.

Did this activity help you

a)

No

b)

Yes

c)

Neutral

d)

A little

21.

How many steps does a Dam have till electricity gets to the electricity lines.

a)

3

b)

4

c)

6

d)

5