Scientific Inquiry Unit Test Name _________________________________Study Guide

Test date: ____________________________________________

This test will include:

● Steps of the Scientific Method

o Problem/Question

o Hypothesis

o Materials & Procedure

o Observation & Analysis

o Conclusion

● Asking a Scientific Question

● Observations vs. Inferences

● Control & Variable

o Independent Variable vs. Dependent Variable

o Test Group and Control Group

● The Metric System

o Metric Units: Meter, Liter, Gram, Celsius

o Metric Prefixes: Kilo-, Hecto-, Deca-, Deci-, Centi-, Milli-

o Converting between units (Metric Ladder/Amazing Z)

● Measurement and Tools

o Length

▪ Metric ruler, meter stick, trundle wheel

o Volume

▪ Graduated Cylinder, beaker, Erlenmeyer Flask, Florence Flask

o Mass

▪ Spring scale, balance

o Density

▪ Formula: Density = mass/volume

● Analyzing data from Charts and Graphs

● Additional Vocabulary- scientific law, scientific theory, model, research

Prep Questions

1. Identify the steps of the scientific method:

Step: Example:

a. 2 of 5 cut seeds germinated; all 5 intact seeds germinatedthe 2 cut seeds germinated into single plants

b. I think two separate plants will grow from each half.

c. How would cutting a seed in half affect germination?

d. Cutting a seed in half decreases the chances of it germinating; cut seeds germinate into one plant, not two.

e. 10 seeds, knife, soil, water, cups, sunlight1. Cut 5 seeds in half, leave 5 seeds intact2. Label cups with cut seeds and cups with intact seeds3. Place 2 cups of soil into each cups and plant all seeds4. Water all seeds and place in sunlight5. Observe over 21 days

a. ________________________________________________

b. ________________________________________________

c. ________________________________________________

d. ________________________________________________

e. ________________________________________________

2. In the experiment above, what is the

a. independent variable? ____________________________________________________________________

b. dependent variable? ______________________________________________________________________

c. test group? _________________________________________________________________________________

d. control group? _____________________________________________________________________________

3. Looking at the clock on the classroom wall, you notice that the time is reading 45

minutes slow. Write two inferences you could make about this:

a. ______________________________________________________________________________

b. ______________________________________________________________________________

4. Name 3 benefits of the metric system.

a. _______________________________________

b. _______________________________________

c. _______________________________________

5. Name the metric unit used to measure:

a. temperature: __________________________

b. mass: ____________________

c. length: _____________________

d. volume: ____________________

6. What is the boiling point of water in the metric system? _______________

7. What is the freezing point of water in the metric system? _________________

8. What does “absolute zero” mean?

___________________________________________________________________________________________________

9. Write in the metric approximations for: (about how big is it?)

a. mm- _________________________________________________________________________

b. cm- __________________________________________________________________________

c. dm- _________________________________________________________________________

d. meter- __________________________________________________________________________

e. Dm- __________________________________________________________________________

f. hm- ____________________________________________________________________________

g. km- ___________________________________________________________________________

h. gram- _________________________________________________________________________

i. liter- ___________________________________________________________________________

10. Use the metric ladder or Amazing Z to convert the following:

a. 97.5 mL = _________________ L

b. 0.167 Dg = ___________________ g

c. 1,567.2 km = _________________ hm

d. 45.6 cm = _____________________ m

e. You measure yourself in cm. You are 142.6 cm. How tall are you in m? _______________

11. Identify the following tools:

____________________ ______________________ ___________________ ___________________

_________________________________________ _____________________ ______________________

_____________________________ _____________________ _____________________

12. According to the graph below:

a. What percentage of females prefer an active learning style? __________________________

b. Which learning style is preferred by both males and females? _________________________

c. Which is the least popular learning style for males? _____________________ at _________%

13. According to the graph below:

a. What percentage of students took the bus to school in 1969? ____________

b. What percentage of students walked or biked to school in 1969? __________

c. What percentage of students walked to school in 2009?____________

d. What percentage of students biked to school in 2009? _______________

e. What is the difference between % of students being driven to school from 1969 to

2009? _________________

14. According to the graph:

a. Which age range texts the most ________________________________

b. Does the frequency of texting increase or decrease with age? ______________________

c. About how many texts per day do people over the age of 65 make? ______________

d. About how many mobile calls do people in the age range 20 - 49 make? ______________

15. Which day of the week has the greatest sales of cookies? __________________

How do sales increase or decrease throughout the week?

____________________________________________

____________________________________________

____________________________________________

____________________________________________