Life Science - 8th Grade - Chapter 4-6 Review

44 Questions | By Divinemercyacade | Updated: Mar 18, 2022 | Attempts: 81

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Life Science - 8th Grade - Chapter 4-6 Review - Quiz

Life ScienceSeton Home Study School EditionAll Creatures Great and Small

Questions and Answers

1.

Which of the following is incorrect?
- A.
  
  The triple beam balance is also called the pan balance
- B.
  
  The triple beam balance measures the mass of an object
- C.
  
  The pan balance measures the weight of an object
2.

A thermometer is used to measure calories.
- A.
  
  True
- B.
  
  False
3.

The Bunsen Burner is used in many laboratories to
- A.
  
  Measure temperature.
- B.
  
  Magnify objects so they may be more easily seen.
- C.
  
  Measure liquids.
- D.
  
  Provide heat.
4.

Which of the following is not a part of the compound microscope?
- A.
  
  Eyepiece
- B.
  
  Objective lens
- C.
  
  Stage
- D.
  
  Rider
- E.
  
  Arm
- F.
  
  Nose piece
5.

A carefully marked tube of glass or plastic that is used to determine the volume of a liquid is called a
- A.
  
  Compound microscope
- B.
  
  Graduated cylinder
- C.
  
  Compound cylinder
- D.
  
  Graduated microscope
- E.
  
  Granulated cylinder
- F.
  
  Bunsen Burner
6.

What is this instrument?
- A.
  
  Bunsen Burner
- B.
  
  Compound Microscope
- C.
  
  Graduated Cylinder
- D.
  
  Thermometer
7.

A compound microscope is used to measure very small objects or organisms.
- A.
  
  True
- B.
  
  False
8.

Bright light will "scare" many microbes away, which part of the compound microscope allows you to reduce the light?
- A.
  
  Stage
- B.
  
  Diaphragm
- C.
  
  Mirror
- D.
  
  Nose piece
- E.
  
  High power objective
- F.
  
  Body tube
- G.
  
  Coarse adjustment
9.

Which of the following is the smallest?
- A.
  
  Neutron
- B.
  
  Electron
- C.
  
  Atom
10.

Which of the following is the smallest?
- A.
  
  Neutron
- B.
  
  Nucleus
- C.
  
  Molecule
11.

Which of the following is the smallest?
- A.
  
  Atom
- B.
  
  Nucleus
- C.
  
  Molecule
12.

Which of the following are elements? (check 4)
- A.
  
  Hydrogen
- B.
  
  Seawater
- C.
  
  Oxygen
- D.
  
  Plasma
- E.
  
  Protoplasm
- F.
  
  Sulfur
- G.
  
  Air
- H.
  
  Carbon
13.

Which of the following are compounds? (check 4)
- A.
  
  Sodium
- B.
  
  Seawater
- C.
  
  Oxygen
- D.
  
  Plasma
- E.
  
  Protoplasm
- F.
  
  Chlorine
- G.
  
  Air
- H.
  
  Carbon
14.

An atom is the smallest part of an element with all the properties of the element.
- A.
  
  True
- B.
  
  False
15.

An atom is the smallest part of a compound with all the properties of the compound.
- A.
  
  True
- B.
  
  False
16.

An molecule is the smallest part of a compound with all the properties of the compound.
- A.
  
  True
- B.
  
  False
17.

A molecule is the smallest part of an element with all the properties of the element.
- A.
  
  True
- B.
  
  False
18.

Mass is the downward force of an object due to gravity.
- A.
  
  True
- B.
  
  False
19.

Weight is the downward force of an object due to gravity.
- A.
  
  True
- B.
  
  False
20.

Weight is the amount of matter in an object.
- A.
  
  True
- B.
  
  False
21.

The nucleus of an atom is the ______________________.
- A.
  
  Dense center region
- B.
  
  Very tiny negative particles
- C.
  
  Orbit that the particles follow around the dense center region
- D.
  
  Empty space within it
22.

Atoms are mostly made up of empty space.
- A.
  
  True
- B.
  
  False
23.

Select all that are correct.
- A.
  
  Neutrons have a positive charge
- B.
  
  Neutrons have a negative charge
- C.
  
  Neutrons do not have a charge
- D.
  
  Protons have a positive charge
- E.
  
  Protons have a negative charge
- F.
  
  Protons do not have a charge
- G.
  
  Electrons have a positive charge
- H.
  
  Electrons have a negative charge
- I.
  
  Electrons do not have a charge
24.

There are more than __________ kinds of atoms.
- A.
  
  10000
- B.
  
  1000
- C.
  
  100
- D.
  
  10
25.

Na is the symbol for _______________.
- A.
  
  Nitrogen
- B.
  
  Sulfur
- C.
  
  Iron
- D.
  
  Sodium