Jacob Is 4 Years Old

question 61

Multiple Choice

Jacob is 4 years old.Which of the following is true about his fine motor skills?

• A) He sometimes has trouble building high towers with blocks because he wants to place each block perfectly.
• B) He has lost some interest in building towers because he wants to build a house or store.
• C) His fine motor skills are much more precise than they were at 3 years of age.
• D) Although he sometimes has trouble building high towers with blocks because he wants to place each block perfectly,he has fine motor skills that are more precise than when he was 3 years of age.

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Definitions:

Compound

A substance formed by the chemical combination of two or more elements in fixed proportions.

Chemical Bonds

The attractive forces that hold atoms together in molecules or crystals, forming as a result of sharing or transferring electrons between atoms.

Molecule

The smallest particle of a chemical substance that can exist independently while retaining the chemical properties of the substance.

Atoms

The basic unit of a chemical element, consisting of a nucleus of protons and neutrons, and surrounded by electrons.