Free FTCE MGGS 5-9 (004) Practice Questions

Question 1

Solution X has a pH of 3 and Solution Y has a pH of 6. How do their hydrogen ion concentrations compare?

Accepted Answer

Solution X has 1,000 times the hydrogen ion concentration of Solution Y

Answer

Solution X has twice the hydrogen ion concentration of Solution Y

Answer

Solution X has three times the hydrogen ion concentration of Solution Y

Answer

Solution X has one one-thousandth the hydrogen ion concentration of Solution Y

Question 2

A crystalline solid does not conduct electricity in its solid form, but it conducts well once it is melted or dissolved in water. What type of bonding holds this substance together?

Accepted Answer

Ionic bonding

Answer

Metallic bonding

Answer

Nonpolar covalent bonding

Answer

Hydrogen bonding

Question 3

While balancing an equation, a student changes H₂O to H₂O₂ so that the oxygen atoms come out even on both sides. Why is this approach incorrect?

Accepted Answer

Changing a subscript changes the substance into a different compound

Answer

Coefficients must always be written before any subscript is adjusted

Answer

The equation was already balanced before the student made the change

Answer

Oxygen cannot carry a subscript greater than one on the product side

Question 4

A large truck traveling at highway speed collides head-on with a small car. Which statement correctly describes the forces during the collision?

Accepted Answer

The two vehicles exert equal forces on each other

Answer

The truck exerts a greater force on the car than the car exerts on the truck

Answer

The force on each vehicle is proportional to that vehicle's own mass

Answer

The car exerts the greater force because it is stopped more suddenly

Question 5

A car travels around a circular track at a constant speed of 20 m/s. Which statement about the car is correct?

Accepted Answer

It is accelerating, because its direction is constantly changing

Answer

It is not accelerating, because its speed remains constant

Answer

It is accelerating only while entering and leaving the curve

Answer

It is not accelerating, because the forces on it are balanced

Question 6

A 1,500 kg car starts from rest and reaches a speed of 24 m/s in 8.0 seconds. What is the average net force acting on the car?

Accepted Answer

4,500 N

Answer

500 N

Answer

12,000 N

Answer

36,000 N

Question 7

A bathtub holds 150 L of water at 40 °C. A mug holds 0.3 L of water at 90 °C. Which one contains more total thermal energy, and why?

Accepted Answer

The bathtub, because it contains far more water molecules

Answer

The mug, because its water is at the higher temperature

Answer

They contain the same amount, because both hold only water

Answer

The mug, because thermal energy depends only on temperature

Question 8

Two identical 6 Ω resistors are connected in parallel in a simple circuit. What is the total resistance of this combination?

Accepted Answer

3 Ω

Answer

6 Ω

Answer

12 Ω

Answer

36 Ω

Question 9

Sinkholes form frequently across much of the Florida peninsula. What is the primary reason?

Accepted Answer

Slightly acidic groundwater dissolves the limestone bedrock

Answer

Frequent small earthquakes fracture the bedrock below the surface

Answer

Heavy seasonal rainfall washes surface soil into low-lying areas

Answer

Ancient lava tubes beneath the peninsula collapse over time

Question 10

A researcher wants to determine the age of a fossil estimated to be about 200 million years old. Why is carbon-14 dating unsuitable for this sample?

Accepted Answer

Its half-life is too short for measurable carbon-14 to remain

Answer

Carbon-14 can be used only on igneous rock, never on fossil material

Answer

The decay rate of carbon-14 becomes unpredictable in older samples

Answer

Carbon-14 is produced only in organisms that lived after the last ice age

Free FTCE MGGS 5-9 (004) Practice Questions

Domain 1: Conceptual and Quantitative Knowledge of the Structure and Behavior of Matter 14% of exam

Question 1

Question 2

Question 3

Domain 2: Conceptual and Quantitative Knowledge of Forces and Motion 13% of exam

Question 4

Question 5

Question 6

Domain 3: Conceptual and Quantitative Knowledge of Energy and Its Effects 12% of exam

Question 7

Question 8

Domain 4: Knowledge of Earth and the Processes That Affect It 13% of exam

Question 9

Question 10

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