Transcript 6th.MY.Exam - Newtunings.com

School:
Name:
Class:
Date:
6th Grade Midterm
Part 1: Scientific Method
Directions: Write the letter of the correct definition next to each vocabulary word.
1.
____ hypothesis
A. a tool used to measure mass
2.
____ procedure
B. set of steps a scientist follows in an investigation
3.
____ observations
C. equipment used to magnify and observe small things
4.
____ inferences
D. unit of volume
5.
____ data
E. what you see, feel, hear, touch, smell, or taste
6.
____ conclusions
F. a chart used to organize data you collect
7.
____ microscope
G. equipment used to measure volumes
8.
____ triple beam balance
H. an educated guess; a prediction
9.
____ ruler
I. any information collected during an investigation
10. ____ graduated cylinder
J. Graph good for organizing data by category
11. ____ liters
K. results; discussion of findings and explanation
12. ____ kilograms
L. equipment used to see far-off celestial (space) bodies
13. ____ meters
M. a decision based on observations and reasoning
14. ____ telescope
N. tool used to make linear (length, width) measurements
15. ____ variable
O. unit of mass
16. ____ control
P. a graph good for showing proportions or percentages
17. ____ lie graph
R. what the scientist changes in an investigation
18. ____ bar graph
S. unit of length
19. ____ pie chart/circle graph
T. the condition that is not changed and is compared
20. ____ data table
with the variable
U. a tool used to measure density
V. Graph good for showing the relationship between
variables such as distance traveled over time
Read each question and answer in the space provided.
21. What is the mass shown here on the triple beam balance. Don’t forget to write the unit that
mass is measured in.
100
200
10
20
1
30
300
40
2
50
60
70
3
4
22. Measure the volume of water before and after an object is added to a graduated cylinder. Use
these measurements to determine the volume of the object.
a. Volume before:
b. Volume after:
c. Volume of object:
6
6
5
5
4
4
3
3
2
2
1
1
____________
____________
____________
23. Use the data table below to make a line graph. Make sure to give your graph a title, labels for
the axes, and units.
Day
Height of
Plant
(cm)
1
0
2
2
3
3
4
5
For questions 24-26, use the graph below to answer the questions.
Distance Traveled by Car Over Time
Distance (km)
30
25
20
15
Series1
10
5
0
0
1
2
3
4
5
6
Time (hr)
24. How far did the car go in 2 hours?
25. How far would the graph go if it traveled 6 hours?
26. Make a data table for this graph. Include a label for each column and the appropriate units
for data.
Ms. March heard that a new toothpaste makes your teeth whiter. She wants to know if
that is true, so she buys the new toothpaste to try it. Help Ms. March design an
experiment to find out if the toothpaste is as amazing as the television commercial
suggests.
Ms. March’s question: What is the affect of the new toothpaste on the color of teeth?
Ms. March’s hypothesis: I think that the new toothpaste will make teeth whiter than the
old toothpaste does.
Design a procedure that Ms. March can follow to test the toothpaste.
27. Procedure:
___________________________________________________________________
_____________________________________________________________________________
_____________________________________________________________________________
_____________________________________________________________________________
_____________________________________________________________________________
_____________________________________________________________________________
_____________________________________________________________________________
_____________________________________________________________________________
28. What is the control?________________________________________________________
29. What is the variable? _______________________________________________________
30. What data needs to be collected to answer the question? _________________________
_____________________________________________________________________________
31. Imagine that another scientist performed an experiment to test the very same
question. She tested each toothpaste on 100 people and found no difference between the
color of their teeth. How might this observation change Ms. March’s hypothesis?
Part 2: Cells
Directions: Read each question an then circle the correct answer
1. The basic unit of life that carries on life functions and provides structure is:
a. tissues
b. cells
c. organs
d. systems
2. Cells do all of the following except:
a. grow and divide
b. take in nutrients to provide energy
c. make up nonliving things
d. make the materials an organism needs to survive
3. Which of the following is found in a plant cell but not an animal cell?
a. cell membrane
b. cell wall
c. cytoplasm
d. nucleus
4.Which of the following are single-celled organisms?
a.
humans
b. dogs
d. bacteria
c. pine trees
5. Which of the following lists an organism’s levels of organization in order from smallest to largest?
a. tissues, cells, systems, organs
b. cells, organs, tissues, systems
c. tissues, cells, organs, systems
d. cells, tissues, organs, systems
6. The type of cell division used to make new cells for growth and repair is called:
a. mitosis
b. meiosis
c. membrane
d. reproduction
7. The type of cell division that creates sperm and egg cells with ½ of the genetic information is called:
a. mitosis
b. meiosis
c. membrane
d. reproduction
8. Cell division is responsible for all of the following except:
a.
growth
b. reproduction
c. repair
d. energy
Part 3: Human Body
Directions: Read each system below and write the letter of the correct function for that system in the blank.
1. _____
Respiratory System
a. breaks down food so that it is small enough to be absorbed by cells
2. _____
Circulatory System
b. takes oxygen into the body and removes carbon dioxide
3. _____
Nervous System
c. provides shape, protection for organs, and movement for the body
4. _____
Skeletal System
d. protects the body from invading pathogens
5. _____
Digestive System
e. produces sex cells necessary for the production of offspring
6. _____
Muscular System
f. regulates growth, development, and reproduction through hormones
7. _____
Immune System
g. controls body’s response to changes in environment; coordinates
8. _____
Reproductive System
movement and senses
9. _____
Endrocine System
h. provides strength; helps move the body and substances within the
10. ____
Excretory System
body including food and blood
i. moves substances including gases, food molecules, and germ-fighting
cells around the body; removes wastes
j. disposes wastes
Directions: Read each question and circle the correct answer.
11. A group of organs and tissues which perform specific functions and interact with each other is called a:
a)
cell
b) organ
c) system
d) tissue
12. Tissues, organs, and systems work together to do all of the following EXCEPT:
a) provide cells with nutrients
b) provide cells with oxygen
c)
remove wastes
d) make food
13. The regulation of an organism’s internal environment even when the external environment changes is called:
a)
metabolism
b) homeostasis
c) digestion
d) growth
14. Special proteins created by B-cells to attach to antigens that invade the body are called:
a)
molecules
b) T-cells
c) pathogens
d) anibodies
15. Abnormal cell division is called:
a)
cancer
b) reproduction
c) AIDS
d) a virus
16. Food is used for all of the following EXCEPT:
a)
fuel for the body
b) building new materials
c) storing energy
d) breathing
17. The sum of all chemical reactions in the body is called:
a)
growth
b) breathing
c) metabolism
d) reproduction
18. The energy in food is measured in:
a)
kilograms
b) milliliters
c) calories
d) Calories
19. To maintain weight, the amount of food a person takes in should be ________ the amount of energy they use.
a)
more than
b) less than
c) the same as
20. The functions of your body can be damaged by all of the following EXCEPT:
a) contracting an infectious disease
b) the use of toxic substances such as drugs and alcohol
c) regular exercise
d) poor dietary habits