NAME ____________________________________________________________ PERIOD __________________
INTRO TEST #1 STUDY GUIDE (Periods 3 and 8)
Vocabulary:
_____ 1. Smallest unit of an element that retains the properties
of that element
A. Element
B. Compound
_____ 2. A substance composed of only one kind of atom
C. Mixture
_____ 3. A substance in which two or more elements are chemically
joined
D. Homogeneous
_____ 4. Two or more substances that are NOT chemically joined
E. Heterogeneous
_____ 5. Anything that has mass and takes up space
F. Matter
_____ 6. A special mixture where all the substances are evenly
distributed
G. Atom
_____ 7. A special mixture where the substances are not evenly
Distributed
8. Label the following as an observation or an inference.
O = observation
_____ The sky is cloudy.
_____ The sky is cloudy it will rain.
_____ The dog is barking.
I= Inference
_____ The dog is barking someone is at the door.
9. What is the first thing you do when handed the directions to an experiment?
_____ Create your own experiment.
_____ Read the directions and ask questions.
_____ Play with the materials.
10. Determine whether the substances below are mixtures (M), compounds(C), or elements (E).
_____ NaCl (salt)
_____ Trail mix
_____ a bag of M&M’s
_____Oxygen (O)
_____Water (H2O)
_____ Helium (He)
_____ Chex mix
_____ Sodium (Na)
_____ Salad
_____ salt water
_____ Oxygen plus Nitrogen (air)
_____ Hydrogen Peroxide (H2O2)
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11. The center of an atom is called the _________________________________________.
12. What are the two subatomic particles in the center of the atom? _____________________ ___________________
Using the Periodic Table below answer questions 13 – . If you cannot read this table because it is too small, use the
Periodic Table in your packet.
13. Which element has 3 protons, 3 electrons and 4 neutrons? _______________________
14. How many protons does Potassium (K) have? __________________________________
15. How many electrons does Iron (Fe) have? _____________________________________
16. How many neutrons does Aluminum (Al) have? _________________________________
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Vocabulary:
17. _____ Basic unit of length
A. Graduated cylinder
18. _____ Amount of space an object takes up
B. Metric ruler
19. _____ Basic unit for volume
C. Meniscus
20. _____ Basic unit for mass
D. Balance
21._____ instrument used to measure liquid volume
E. Meter
22. _____ The curve of a liquid
F. Volume
23. _____ Instrument used to measure length
G. Liter
24._____ Instrument used to measure mass
H. Gram
25. What is the charge for each of the subatomic particles?
_____________________ proton
_____________________ neutron
_____________________ electron
26. In what part of the atom are protons and neutrons found? ________________________________
27. Are the five mixtures below heterogeneous or homogeneous? Label the pictures with the correct name.
A.__________________________________
B.__________________________________
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C.__________________________________
D.__________________________________
E.__________________________________
28. Study the pictures below and record the measurement and unit for each.
A._____________
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B.___________________
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C.__________________
D.________________
E._____________________
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F._________________________
A. _________________________
E. ________________________
B. _________________________
F. ________________________
C. _________________________
G. ________________________
D. _________________________
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29. Using water displacement find the volume of the object.
Volume of little man is ______________________________________.
Volume of the rock is _______________________.
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30. Find the volume of the regularly shaped objects below.
Volume of the rectangle is _____________________________.
Volume of the square is ____________________________.
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