Free Printable Unit 1 Lesson 1 : Investigating Matter & Energy

1.

The unit m³ is used to express

a)

length

b)

mass

c)

volume

d)

density

2.

SI base units for length and mass are

a)

centimeter

b)

meter and gram

c)

centimeter and kilogram

d)

meter and kilogram

3.

The abbreviations for units of length in order from smallest to largest are

a)

m, cm, mm, km

b)

mm, m, cm, km

c)

km, mm, cm, m

d)

mm, cm, m, km

4.

The conversion factor $\frac{1000\ mL}{1\ L}$ would be used to change

a)

mass to density.

b)

liters to milliliters.

c)

units of volume to units of length.

d)

units of length to units of volume

5.

A measure of the quantity of matter is

a)

density.

b)

weight.

c)

volume.

d)

mass.

6.

All of the following are examples of units except

a)

weight.

b)

kilometer.

c)

gram.

d)

teaspoon.

7.

Which of these abbreviations represents a volume unit?

a)

mL

b)

mg

c)

mm

d)

cm

8.

The relationship between the mass m of a material, its volume V, and its density D is

a)

V = mD.

b)

Vm = D.

c)

m = DV.

d)

D + V = m

9.

The density of aluminum is 2.70 g/cm³. What is the mass of a solid piece of aluminum with a volume of 1.50 cm³?

a)

0.556 g

b)

1.80 g

c)

4.05 g

d)

4.20 g

10.

A sample of gold has a mass of 95.5 g and a volume of 5.00 cm³. The density of gold is

a)

0.0518 g/cm³

b)

19.3 g/cm³

c)

101.5 g/cm³

d)

483 g/cm³

11.

The number of grams equal to 0.5 kg is

a)

0.0005

b)

0.005

c)

500

d)

5000

12.

How many minutes are in 1 week?

a)

168 min

b)

1440 min

c)

10,080 min

d)

100,800 min

13.

If 1 inch equals 2.54 cm, how many centimeters equal 1 yard?

a)

0.0706 cm

b)

14.2 cm

c)

30.5 cm

d)

91.4 cm

14.

Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?

a)

Chemical to light

b)

Electrical to chemical

c)

Electrical to light

d)

Chemical to electrical

15.

What energy transformations take place when a battery-operated radio is in use?

a)

Electrical to chemical to light

b)

Sound to chemical to mechanical

c)

Chemical to electrical to sound

d)

Light to electrical to thermal

16.

Which of the following devices transforms electrical energy into mechanical energy?

a)

An e-reader

b)

a fan

c)

a manual pencil sharpener

d)

ipod

17.

Which of the following best describes the energy transformations that occur when a flashlight that runs on batteries is turned on?

a)

chemical to mechanical to electrical to radiant

b)

radiant to electrical to sound

c)

chemical to radiant to mechanical to electrical

d)

electric to radiant to chemical

18.

The picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —

a)

solar

b)

light

c)

thermal

d)

mechanical

19.

Turning on a lamp is an example of energy transformation from electrical to 3 forms of energy. Which of these is NOT created by the lamp?

a)

radiant

b)

light

c)

heat

d)

chemical

20.

In energy transformations, "wasted energy" usually takes what form?

a)

heat

b)

chemical energy

c)

light

d)

sound waves

21.

According to the Law of Conservation of Energy, energy cannot be _________ or ____________.

a)

destroyed, destroyed

b)

created, saved

c)

created, destroyed

d)

lost, found

22.

Energy of motion is which type of energy?

a)

Potential

b)

Kinetic

c)

Sound

d)

Gravitational

23.

At higher temperature

a)

Particles in an object have less kinetic energy

b)

particles in an object move faster

c)

a gas contracts

d)

particles in an object move slower

24.

Hot objects begin to cool as

a)

cooler air is transferred to the hot object

b)

atoms in the object react with the oxygen in the air

c)

thermal energy in the object is transferred to the surrounding air

d)

thermal energy in the object cancels out the energy in the air

25.

Which of the following is TRUE when particles GAIN thermal energy?

a)

particles move more slowly

b)

particles stop moving

c)

particles move further apart

d)

particles move closer together

26.

The temperature of a substance increases as

a)

the substance expands

b)

the substance's volume increases

c)

the substance's mass increases

d)

the average kinetic energy of its particles increaes

27.

How many significant figures does the following number have: 0.00204

a)

6

b)

4

c)

3

d)

2

28.

How many significant figures does the following number have?1.2500 x $10^3$

a)

5

b)

3

c)

Ambiguous: 3 or 5

d)

7

29.

Round 1289 to three significant figures

a)

1290

b)

130

c)

1300

d)

1.29x10³

30.

Choose the correct conversion factor and answer for this conversion: $8,203\ mL\ \times\ \frac{1\ L}{1000\ mL}\ \times\ \ \ \ \ \ \ ?\ \ \ \ \ \ \ \ =\ \ \ \ ?$

(1.0 L = 0.264 gal)

a)

$\frac{3.7854\ gal}{1\ L}\ =\ 31.05\ gal$

b)

$\frac{3.7854\ L}{1\ gal}\ =\ 31.05\ gal$

c)

$\frac{1\ gal}{3.7854\ L}\ =\ 2.167\ gal$

31.

How would you write -5.6 x 10^-3 in standard form?

a)

0.0056

b)

-5,600

c)

0.00056

d)

-0.0056

32.

How do you write
8.317 x 10⁶in standard form?

a)

8, 371, 000

b)

83, 170, 000

c)

837, 100

d)

8, 317, 000

33.

Which of the following is correct scientific notation?

a)

20.35 x 10⁴

b)

.2035 x 10⁴

c)

2035⁴

d)

2.035 x10⁴

34.

Convert to scientific notation:
520,000,000

a)

52 x 10⁷

b)

5.2 x 10⁷

c)

5.2 x 10⁸

d)

0.52 x 10⁹

35.

Which one of these is in scientific notation?

a)

8.987000

b)

8.98 x 10⁶

c)

80.987 x 10

d)

8.98⁶

Unit 1 Lesson 1 : Investigating Matter & Energy

Total questions: 35

Worksheet time: 21mins

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