Intro Chapter Test #1 (3086)

advertisement
Intro Chapter Test #1 (3086)
MULTIPLE CHOICE: Choose the best answer for each question and bubble in the correct letter on the
scan sheet.
_____ 1. Your teacher hands out a copy of a laboratory experiment. What is the first
thing you should do to conduct the experiment safely?
A. Obtain and open any materials described in the experiment.
B. Read over the lab, ask questions and begin.
C. Mix your materials with those of another group to save time.
D. Create your own experiment
______2. The smallest unit of an element that retains the properties of that element is
called a(n) _____________________.
A. molecule
B. element
C. compound
D. atom
_____3. A substance composed of a single kind of atom.
A. Molecule
B. Element
C. Compound
D. Atom
._____4. A substance in which two or more elements are chemically joined is called a(n)
____________________.
A. mixture
B. element
C. compound
D. atom
_____5. Two or more substances that are not chemically combined and are easily separated physically are
called a(n) ______________________.
A. Mixtures
B. Elements
C. Compounds
D. Atoms
_____ 6. Anything that has mass and takes up space is classified as
A. Atom
B. Element
C. Compound
D. Matter
1
_____ 7. What is an example of a mixture?
A. H2O water
B. O + N (gases in the air)
C. Na (solid)
D. NaCl (salt)
Matching: Choose the best word in box A for questions 10-13
Box A
_____ 8. The basic unit of length
A. Volume
_____ 9. The amount of space an object takes up
B. Grams
C. Liter
_____ 10. The basic unit of volume
D. Meter
_____ 11. The basic unit for mass
E. Kilograms
Matching: Choose the best word in box B for questions 14-17
Box B
____ 12. The instrument used to measure liquid volume
_____ 13. The curve of a liquid
A. Balance
B. Meniscus
_____ 14. The instrument used to measure length
C. Graduated Cylinder
_____ 15. The instrument used to measure mass.
D. Metric Ruler
E. Beaker
2
Use the Periodic Table below to answer questions 16 - 20.
16. Which element has two protons, neutrons and electrons?
A. Hydrogen (H)
B. Oxygen (O)
C. Helium (He)
D. Nitrogen (N)
17. How many protons does Oxygen (O) have?
A. 5
B. 8
C. 1
D. 17
18. How many neutrons does Sulfur (S) have?
A. 16
B. 32
C. 34
D. 33
19. How many neutrons does Cobalt (Co) have?
A. 27
B. 58
C. 31
D. 32
20. If Nickel (Ni) has 28 protons how many electrons does it have?
A. 59
B. 28
C. 31
D. 30
21. What is an example of compound?
A. He (a gas)
B. oxygen plus nitrogen (O + N)
C. Na (solid)
D. NaCl (salt)
3
28. Which title should be classified as pseudoscience?
A. Is Life Possible on Mars?
B. Aliens Built the Pyramids!
C. The Best Ways for Making Money
D. The Disappearance of Ancient Civilizations in South America
29. What is the term for the cumulative body of observations on which scientific explanations are based?
A. Peer review
B. Pseudoscience
C. Logical reasoning
D. Empirical evidence
30. What type of mixture is the pizza below?
A.
B.
C.
D.
Homogeneous
Solution
Compound
Heterogeneous
31. What is this mixture (after it is mixed) called?
A. Heterogeneous
B. Solvent
C. Solution
D. Solute
4
32. Find the volume of Sponge Bob.
A.
B.
C.
D.
50ml
51ml
1ml
2ml
33. Find the volume of the object below.
A.
B.
C.
D.
13.7cm3
93.81cm2
13.7cm
93.81cm3
5
34. Find the mass.
A.
B.
C.
D.
72.2g
272.1g
272g
722.1g
6
NAME ______________________________________ DATE ___________________ PERIOD ________
OPEN ENDED QUESTIONS – INTRO TEST #1
WRITE YOU ANSWER ON THIS PAPER.
Diagram A
1. Determine the mass of the rock using
Diagram A.
2. Determine the volume of the rock using diagram B.
Diagram B
3. Determine the density of the rock. SHOW ALL 3 STEPS WITH UNITS
1.
2.
3.
4. What will happen to the rock when placed in water? Explain your answer.
7
60
60
55
55
50
50
45
45
40
40
35
35
30
30
25
25
20
20
15
15
10
10
5
5
Using metric conversions answer questions 5-7
5. _____________km = 567.1m
6. _____________ dag = 34.2 kg
7. _____________ cl = 395.1 ml
PERIOD 4 ONLY!!!!
Scientists have several characteristics in common. Which characteristic (pick only one) is most important for a
scientist to have? Back up your answer with details including why you think it is the most important.
Careful Observation
Curiosity
Creativity
8
Logic
Skepticism
Objectivity
Download
Related flashcards

Chemistry

– Cards

Chemical properties

– Cards

Pigments

– Cards

Dyes

– Cards

Acids

– Cards

Create flashcards