TEXES Science Questions

Question 1

What is the best indicator of the severity of the volcanic explosion?

Accepted Answer

gas in the magma

Question 2

What is an occluded front?

Accepted Answer

cold air mass over takes warm air mass & joins cold air mass

Question 3

Which of the following organisms in a food chain or food web absorbs and holds the most energy?

Accepted Answer

Producers, plants that produce own food from sun

Question 4

What are examples of vestigial structures?

Accepted Answer

human tail bone and whale pelvis, human appendix

Question 5

What form of energy transfer best explains warmer surface temperatures at surface of pond?

Accepted Answer

convection

Question 6

What is the proper instrument to use in measuring the mass of an object?

Accepted Answer

Triple beam balance

Question 7

How can teachers minimize the danger of working with chemicals in their pure form?

Accepted Answer

substitute household chemicals diluted with water

Question 8

What causes sound waves?

Accepted Answer

vibrations of air molecules

Question 9

What is the symbol for a stationary front

Accepted Answer

Curved line with triangles facing down & red circles on top

Question 10

When it is winter in North America, it is because

Accepted Answer

North Pole tilted away from the Sun as Earth tilts on axis.

Question 11

In the electromagnetic spectrum, which of the following has the longest wavelength?

Accepted Answer

sound waves

Question 12

What is relative humidity and what instrument is used to measure it?

Accepted Answer

moisture in air measured by a psychrometer (Pyscho hair)

Question 13

Who proposed theory of plate tetonics?

Accepted Answer

Alfred Wegener

Question 14

What happens to stuffed animal on a car going down a ramp?

Accepted Answer

It flies forward cause object in motions continues in motion

Question 15

What is plate tectonics?

Accepted Answer

Earth’s continents were originally one single land mass, continents have drifted apart over time

Question 16

What time would the New Moon phase be as close to directly overhead of you?

Accepted Answer

Moon directly overhead at noon

Question 17

Used to most accurately measure a liquid in milliliters in a laboratory investigation

Accepted Answer

What is a graduated cylinder?

Question 18

What does the concrete state of intellectual development require?

Accepted Answer

engaging hands on activities

Question 19

The use of hot plates and burners is initially allowed in

Accepted Answer

fifth grade

Question 20

Which of the following part of a flower holds the pollen containing the sperm nuclei?

Accepted Answer

anther

Question 21

How is a physical change different from a chemical change?

Accepted Answer

Salt can dissolve in water and yet still be salt, the substance doesn't change

Question 22

Aesetic acid and water combined to make vinegar is a ...

Accepted Answer

mixture

Question 23

How will adding more twists of wire around a nail increase magnetic strength?

Accepted Answer

makes electric field stronger

Question 24

What do green plant leaves do with green wavelengths of visible light and what is the evidence?

Accepted Answer

they reflect the wavelengths that's why they are green

Question 25

The chemical formula for water is H20, making water which of the following?

Accepted Answer

compound

Question 26

If mom is homozygous and the dad heterozygous for a trait, will child have recessive trait?

Accepted Answer

No, 0% chance

Question 27

What changes least in animal habitat when forest and pond are removed & replaced by restaurant?

Accepted Answer

air

Question 28

Which cell process produces gametes?

Accepted Answer

meiosis

Question 29

How does a moveable pully affects force needed to move an object?

Accepted Answer

Reduces amount of force by 1/2

Question 30

What is the 5E Learning Cycle & who introduced it?

Accepted Answer

Engage,Explore,Explain,Elaborate/Extend, Evaluate John Dewey

Question 31

Which planet has the shortest year?

Accepted Answer

Mars, the one closest to the sun

Question 32

Where does the mass come from when a seed becomes a tree?

Accepted Answer

carbon dioxide from the air

Question 33

What are examples of analogous structures?

Accepted Answer

birds and bat wings

Question 34

What is a homologous structure?

Accepted Answer

similar form, embryology & anatomy but different function, structures inherited from a common ancestor

Question 35

What type of energy transfer transfers heat from an open flame to a spoon?

Accepted Answer

conduction

Question 36

During the “engage” and “explore” phases of the 5-E model, what method of reasoning is used?

Accepted Answer

The inquiry or inductive method

Question 37

When does cellular respiration occur in plants?

Accepted Answer

All night and all day same as animals

Question 38

Reasons species may not be able to adapt to changes in environment: Check all that apply.

Accepted Answer

Population becomes dependent on humans, Urbanization destroys habitat, Water in lakes and marshlands decreases, Predators increase

Question 39

Gas that comprises the majority of the air in Earth’s atmosphere?

Accepted Answer

nitrogen

Question 40

Which of the following best describes the transpiration in the water cycle?

Accepted Answer

The evaporation of water from the leaves of green plants

Question 41

What is a blue moon?

Accepted Answer

Extra full moon period that occurs every two or three years.

Question 42

What is the main function of Earth’s atmosphere?

Accepted Answer

Protect and preserve life

Question 43

How many chromosomes are in the fertilized egg or zygote in humans?

Accepted Answer

46

Question 44

Why was mercury ideal for thermometers?

Accepted Answer

The substance expands when heated.

Question 45

Which of the following are known as the three main universal forces?

Accepted Answer

gravity, electricity, and magnetism

Question 46

What are examples of homologous structures?

Accepted Answer

forearm of cat, human and bat

TEXES Science Questions

Questions 46

TEXES Science Questions

Questions 46