Free Printable Knowledge Check #2

1.

What type of energy does a ball rolling down a hill have?

a)

Potential

b)

Kinetic

c)

Mechanical

d)

Momentum

2.

What is stored energy called?

a)

Kinetic

b)

Mechanical

c)

Saved Energy

d)

Potential

3.

What type of energy is stored in the food that we eat?

a)

Mechanical

b)

Electrical

c)

Chemical

d)

Thermal

4.

Which type of energy is caused by a force and travels in waves to your ears?

a)

Electrical

b)

Chemical

c)

Sound

d)

Thermal

5.

When an object is heated up, what kind of energy is this?

a)

Mechanical

b)

Kinetic

c)

Potential

d)

Thermal

6.

When the nucleus of an atom is broken, what type of energy is released?

a)

Electromagnetic

b)

Nuclear

c)

Thermal

d)

Chemical

7.

As you pull back a rubber band slingshot, what type of energy is increased?

a)

Mechanical

b)

Potential

c)

Kinetic

d)

Thermal

8.

Which example has kinetic thermal energy?

a)

A burning campfire

b)

A rolling bowling ball

c)

A man sledding down a hill

d)

A girl dribbling a basketball

9.

Which option would have the greatest gravitational potential energy?

*remember how mass and height affect GPE*

a)

A 58 pound bird perched in a tree

b)

A 4700 pound airplane in the sky

c)

A 37 pound child riding a bike

d)

A 5000 pound tiger laying on the ground

10.

Increasing the speed of an object _______ the kinetic energy.

a)

Decreases

b)

Does not change

c)

Increases

d)

Delays

11.

Fission and fusion are example of which type of energy?

a)

Electrical

b)

Thermal

c)

Nuclear

d)

Mechanical

12.

Riding a bike is an example of which type of energy?

a)

Electrical

b)

Mechanical

c)

Nuclear

d)

Thermal

13.

Heating a marshmallow in the microwave is an example of ___________.

a)

Radiation

b)

Conduction

c)

Convection

d)

Explosion

14.

Cooking an egg in a frying pan is an example of __________.

a)

Convection

b)

Radiation

c)

Breakfast

d)

Conduction

15.

Mixing baking soda with water to make the water colder is an example of which type of reaction?

a)

Endothermic

b)

Exothermic

c)

Conduction

d)

Convection

16.

Shaking a hand warmer to make it hotter is an example of which type of reaction?

a)

Endothermic

b)

Kinetic

c)

Potential

d)

Exothermic

17.

At what temperature does water boil?

a)

212 °F

b)

100 °F

c)

32 °F

d)

410 °F

18.

At what speed do COLD molecules move?

a)

Very fast

b)

Speed of light

c)

Very slow

d)

They don't move

19.

Which side are the reactants on?

a)

Left

b)

Right

20.

Which side are the products on?

a)

Left

b)

Right

21.

Identify the coefficient: $4O_2H$

a)

4

b)

O

c)

2

d)

H

22.

Identify the subscript: $2H_3\left(OP\right)$

a)

2

b)

H

c)

3

d)

OP

23.

How many atoms of Hydrogen are in this equation?

$3H_2\left(O_2He\right)$

a)

9

b)

5

c)

6

d)

7

24.

How many elements are in this equation?

$2P_3H\left(CO_4\right)$

a)

18

b)

6

c)

4

d)

20

25.

How many total atoms are in this equation?

$H_3\left(O_2P\right)$

a)

10

b)

6

c)

7

d)

3

26.

Is this equation balanced?

$2H_2\ +\ 4P\ \ \ \longrightarrow\ \ \ 4HP$

a)

No

b)

Yes

27.

Is this equation balanced?

$3H\ +\ 2O_2\ \ \ \longrightarrow\ \ \ 2HO_2$

a)

Yes

b)

No

28.

My favorite part of this unit was:

a)

Balancing Equations

b)

Counting Atoms

c)

Energy

d)

Matter

Knowledge Check #2

Total questions: 28

Worksheet time: 14mins

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