Science Test 2

Question 1

What are the seven steps of the scientific Method?

Answer 1

1. Make observations
2. State a Problem
3. Research
4. Form a Hypothesis
5. Test your Hypothesis
6. Draw a Conclusion
7. Share your Results

Question 2

What is a Hypothesis?

Answer 2

A hypothesis is an educated guess

Question 3

What is a Variable?

Answer 3

A variable is the factor being tested

Question 4

What is a Control?

Answer 4

A control is the group that lacks the variable

Question 5

Why do we use the Metric System?

Answer 5

It is used worldwide and it is easier to convert

Question 6

Abbreviate each prefix:
1. Kilo:
2. Deca:
3. Centi:

Answer 6

1. K
2. Da
3. C

Question 7

What is the prefix for the examples below?
1. H
2. D
3. M

Answer 7

1. Hecto
2. Deci
3. Milli

Question 8

What prefix corresponds with these values?
1. 100
2. 0.01
3. 10

Answer 8

1. Hecto
2. Centi
3. Deca

Question 9

What values do these prefixes have?
1. Deci
2. Kilo
3. Milli

Answer 9

1. 0.1
2. 1000
3. 0.001

Question 10

What tools do you use to measure…
1. Length of pen
2. Mass of pen
3. Volume of pen cap

Answer 10

1. Metric Ruler
2. Balance
3. Granulated Cylinder

Question 11

What unit do you use for…
1. Length
2. Mass
3. Volume
4. Temperature

Answer 11

1. Meters
2. Grams
3. Liters
4. Degrees Celsius

Question 12

What does each of the abbreviations stand for?
1. km
2. dL
3. mg

Answer 12

1. kilometers
2. deciliters
3. milligrams

Question 13

What does each on abbreviated look like?
1. hectoliters
2. decagrams
3. centimeters

Answer 13

1. hL
2. dag
3. cm

Question 14

Metric conversion:
12.358 dm = _________ km

Answer 14

0.0012358 km

Question 15

Metric conversion:
64.28 hg = __________ dag

Answer 15

642.8 dag

Question 16

Metric conversion:
4590 mm = __________ m

Answer 16

4.59 m

Question 17

What temperature does water freeze? (Both Fahrenheit and Celsius)

Answer 17

0 degrees Celsius
32 degrees Fahrenheit

Question 18

What temperature does water boil? (Both Fahrenheit and Celsius)

Answer 18

100 degrees Celsius
212 degrees Fahrenheit

Question 19

What is Length?

Answer 19

Length is the distance between two points

Question 20

What is Mass?

Answer 20

Mass is the amount of matter in an object

Question 21

What is Volume?

Answer 21

Volume is how much space a thing occupies.

Question 22

What is Weight?

Answer 22

Weight is the attraction between objects due to gravity.

Question 23

What is Temperature?

Answer 23

Temperature is the average kinetic energy of particles in a sample of matter. (How hot or cold something is)

Question 24

What is Density?

Answer 24

Density is the amount of mass per unit volume

Question 25

Density Problem:
What is the density of a cube that has a mass of 128 grams and it has a side length of 4 centimeters?

Answer 25

2 g/cubic centimeters

Question 26

Density Problem:
If there are 25 mL of a liquid and its mass is 100 g, what is its density?

Answer 26

4 g/mL

Question 27

Density Problem: Cube one has a mass of 14.5 g. Cube two has a mass of 10.95 g. If both cubes have a volume of 5 cubic centimeters, which one is more dense?

Answer 27

Cube one is more dense.

Question 28

1 cubic cm of water = ____ mL = ____ g?

Answer 28

1 mL and 1 g

Question 29

True or False: Is the Metric system a base 10 system?

Answer 29

True