Free Printable Episode 3: Conversions

1.

NASA is building a space probe and they add a bolt that has a mass of 4 grams. How many kilograms is this?

a)

0.004 kg

b)

0.04 kg

c)

4000 kg

d)

0.4 kg

2.

The average distance from the Earth to Sun is $1.50\times10^{11}m$ . About how many miles is this?

Note: 1 mi = 1609.34 m

a)

$9.32\times10^7mi$

b)

$2.41\times10^{14}mi$

c)

$10.45\times10^7mi$

d)

$1.01\times10^{14}mi$

3.

The speed of light is $3.00\times10^8\ \frac{m}{s}$ . How fast is this in mph?

Note: 1m/s = 2.24 mph

a)

$6.72\times10^8\ mph$

b)

$6.72\times10^8\ \frac{m}{s}$

c)

$1.34\times10^8\ mph$

d)

$1.34\times10^8\ \frac{m}{s}$

4.

The international space station (ISS) has a mass of 420,000 kg. How much does it weigh in pounds?

a)

$9.25\times10^5lbs$

b)

$1.91\times10^5lbs$

c)

$9.25\times10^4lbs$

d)

$1.91\times10^4lbs$

5.

The ISS has been in orbit for about 20 years. How long is that in seconds? This will require multiple conversions.

a)

$6.3072\times10^8s$

b)

$1.0512\times10^7s$

c)

$1.752\times10^5s$

d)

$6.703\times10^9s$

6.

The average distance from Earth to Mars is 54.6 million km. How many meters is this in scientific notation?

a)

$5.46\times10^{10}m$

b)

$5.46\times10^9m$

c)

$5.46\times10^7m$

d)

$5.46\times10^{11}m$

7.

The charge of an Alpha Particle is 0.00000000000000000032 C. Where C represents Coulombs, a unit of electric charge. What is this number in scientific notation?

a)

$3.2\ \times10^{+18\ }C$

b)

$3.2\ \times10^{-18\ }C$

c)

$3.2\ \times10^{-19\ }C$

d)

$3.2\ \times10^{-20\ }C$

e)

$3.2\ \times10^{+19\ }C$

8.

The mean radius of the Earth is $6.37\ \times10^{6\ }m$ . How many kilometers is this?

a)

6,370 km

b)

637 km

c)

6,370,000 km

d)

6.37 km

9.

The width of a human hair is around $100\mu m$ . What is another correct way of writing this number?

a)

$1.00\times10^{-6}m$

b)

$100\times10^{-6}m$

c)

$1\times10^{-8}m$

d)

$1\times10^8m$

10.

The mean distance from the Earth to the Sun is $3.84\times10^8m$ . What is this distance in km?

a)

$3.84\times10^5m$

b)

$3.84\times10^6m$

c)

$3.84\times10^3m$

d)

$3.84\times10^{12}m$

Episode 3: Conversions

Total questions: 10

Worksheet time: 56mins

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