Question 1

A photograph of a litter of six-week-old bulldog puppies shows that the puppies are not identical.

Even though these puppies have the same parents, they do not all look alike because —

Accepted Answer

each puppy has a different combination of genetic material as a result of sexual reproduction

Answer

some of the puppies have genetic material from only one of the parents

Answer

all the puppies developed from the same fertilized egg

Answer

they were produced by asexual cloning

Question 2

Sodium and lithium have similar chemical properties. What characteristic of these elements explains why they are chemically similar?

Accepted Answer

Their atoms both have one valence electron.

Answer

Their atoms have the same number of energy levels.

Answer

Their atoms both have more neutrons than protons.

Answer

Their atoms contain equal numbers of protons and electrons.

Question 3

The diagram shows a model of an atom. The model contains three different subatomic particles. Particles X and Y are inside the nucleus, and particle Z is outside of the nucleus.

Which statements best describe the charges on the particles in this model?

Accepted Answer

Either particle X or particle Y has a positive charge.

Particle Z has a negative charge.

Answer

Both particles X and Y have a positive charge.

Particle Z has a negative charge.

Answer

Both particles X and Y have a negative charge.

Particle Z has a positive charge.

Answer

Either particle X or particle Y has a negative charge.

Particle Z has a positive charge.

Question 4

Two students record the distance they each traveled in $60$ seconds in the data table shown.

If the students continue at the same speed, which statement describes the total distance traveled after $90$ seconds?

Accepted Answer

Student $60$ traveled $60m$ , and student $2$ traveled $30m$ .

Answer

Student $60$ traveled $60m$ , and student $2$ traveled $30m$ .

Answer

Student $60$ traveled $60m$ , and student $2$ traveled $30m$ .

Answer

Student $60$ traveled $60m$ , and student $2$ traveled $30m$ .

Question 5

Students collected data on five elements. Their data are shown in the table.

Which element has the same number of energy levels as lithium?

Accepted Answer

Beryllium

Answer

Potassium

Answer

Sodium

Answer

Magnesium

Question 6

Maps of predicted weather conditions are shown.

Which answer choice best describes the weather at location $X$ on Day 1 and Day 2?

Accepted Answer

Day 1: cold and rainy

Day 2: clear and sunny

Answer

Day 1: warm and wind

Day 2: cloudy and cold

Answer

Day 1: warm and rainy

Day 2: cool with more rain

Answer

Day 1: clear and cool

Day 2: warm and rainy

Question 7

Oxygen and oxygen-containing compounds are involved in many different reactions. Which balanced equation represents a reaction that involves 14 atoms of oxygen?

Accepted Answer

$2C_2H_6+7O_2\rightarrow4CO_2+6H_2O$

Answer

$2C_2H_6+7O_2\rightarrow4CO_2+6H_2O$

Answer

$2C_2H_6+7O_2\rightarrow4CO_2+6H_2O$

Answer

$2C_2H_6+7O_2\rightarrow4CO_2+6H_2O$

Question 8

Two plant species that grow in the same area are shown.

Which statement best explains a difference between Plant 1 and Plant 2?

Accepted Answer

Plant 1 obtains more water from the soil because of its root surface area and root depth.

Answer

Plant 2 obtains more sunlight because of its root surface area and root depth.

Answer

Plant 1 obtains more sunlight because of its root surface area and root depth.

Answer

Plant 2 obtains more water from the soil because of its root surface area and root depth.

Question 9

A student is building a model of a solar eclipse. Solar eclipses occur only during a new moon phase. Which motion best demonstrates a solar eclipse?

Accepted Answer

The moon moves between the sun and Earth, casting a shadow of the moon on Earth.

Answer

Earth moves between the sun and the moon, casting a shadow of the moon on the sun.

Answer

The sun moves between the moon and Earth, casting a shadow of the sun on Earth.

Answer

Earth moves between the sun and the moon, casting a shadow of Earth on the moon.

Question 10

Which statement best explains why the sun appears brighter to people on Earth than any other star?

Accepted Answer

The sun is closer to Earth than any other star.

Answer

The sun burns at a higher temperature than any other star.

Answer

Sunlight reaches Earth’s atmosphere at an angle that causes the sun’s light rays to intensify.

Answer

Unique chemical reactions in the sun’s core produce a high-energy wavelength of light.

Question 11

Students jump rope for one minute to determine changes in heart rate and breathing rate. Their data are shown in the table.

Which table explains the functions of the two body systems that the students investigated?

Accepted Answer

https://uploads.quizalize.com/aba1625c-fc9b-40e6-8394-fb29f3ac57c7/question/71eab8c37ec0131d15919ff4bf0e6c40934b5b04.png

Answer

https://uploads.quizalize.com/aba1625c-fc9b-40e6-8394-fb29f3ac57c7/question/ace9f2a69a14e65f744cc910219f3f052715f2f9.png

Answer

https://uploads.quizalize.com/aba1625c-fc9b-40e6-8394-fb29f3ac57c7/question/15adb20760b520c67a5e5059922246e4d44d033c.png

Answer

https://uploads.quizalize.com/aba1625c-fc9b-40e6-8394-fb29f3ac57c7/question/4ee8f2846cdfa1ab58edf9b206e4f29644d01bbb.png

Question 12

The diagram shows how a cylinder in a car engine causes the car to move.

Which description of the energy conversions in this process is correct?

Accepted Answer

The chemical energy in the fuel-air mixture is converted to thermal energy, which is then converted to mechanical energy.

Answer

The mechanical energy in the fuel-air mixture is converted to electrical energy, which is then converted to thermal energy.

Answer

The electrical energy in the fuel-air mixture is converted to mechanical energy, which is then converted to thermal energy.

Answer

The thermal energy in the fuel-air mixture is converted to electrical energy, which is then converted to mechanical energy.

Question 13

The model shows Earth in four different positions in its orbit around the sun.

Which statement correctly explains which position of Earth represents summer in the United States?

Accepted Answer

Position 2, because the Northern Hemisphere tilts toward the sun

Answer

Position 3, because Earth is at its closest point to the sun in its orbit

Answer

Position 1, because the Western Hemisphere is facing the sun

Answer

Position 4, because Earth is traveling at its fastest rate in its orbit

Question 14

A car initially traveling at $60$ meters per second doubles its speed while traveling in a northeast direction.

Students used a table to record the initial and final conditions for speed and velocity. Which table is correct?

Accepted Answer

https://uploads.quizalize.com/aba1625c-fc9b-40e6-8394-fb29f3ac57c7/question/83b907ac117198b38a0d3902a706db810fa2e91c.png

Answer

https://uploads.quizalize.com/aba1625c-fc9b-40e6-8394-fb29f3ac57c7/question/1d78857b4c15004ecce428befbd1d5b7cdcd973b.png

Answer

https://uploads.quizalize.com/aba1625c-fc9b-40e6-8394-fb29f3ac57c7/question/c77b2165d4d0b711833beeb8d7079c124f2d0507.png

Answer

https://uploads.quizalize.com/aba1625c-fc9b-40e6-8394-fb29f3ac57c7/question/63f1f1710edf93f36a953e4d6d9cfafc5daaafeb.png

Question 15

The speed of an object over time is shown in the graph.

Which table describes the object’s motion?

Accepted Answer

https://uploads.quizalize.com/aba1625c-fc9b-40e6-8394-fb29f3ac57c7/question/b5f6aaddb87389b447285a7cff704ec291157d0f.png

Answer

https://uploads.quizalize.com/aba1625c-fc9b-40e6-8394-fb29f3ac57c7/question/c8e8a642e8deacb340d8f1bc9b66682ad4f8d0fb.png

Answer

https://uploads.quizalize.com/aba1625c-fc9b-40e6-8394-fb29f3ac57c7/question/b3a40b71b52d07c12041acc52385bdac7b4ee83d.png

Answer

https://uploads.quizalize.com/aba1625c-fc9b-40e6-8394-fb29f3ac57c7/question/603092b134bf78f2e554efaa94d22e0166990622.png

Question 16

Early one morning students observed the moon as it appeared from Earth.

Which diagram shows the correct relative positions of the sun, the moon, and Earth when the moon was in the observed phase?

Accepted Answer

https://uploads.quizalize.com/aba1625c-fc9b-40e6-8394-fb29f3ac57c7/question/af342455b411f75ec3a3e92b8f0b0f42fbbcf134.png

Answer

https://uploads.quizalize.com/aba1625c-fc9b-40e6-8394-fb29f3ac57c7/question/5d217244a8c9d9feba2e5661c968bf4e6d8575a8.png

Answer

https://uploads.quizalize.com/aba1625c-fc9b-40e6-8394-fb29f3ac57c7/question/c1a4b000d7fab9a4f4b07687175d00f8c1603dd6.png

Answer

https://uploads.quizalize.com/aba1625c-fc9b-40e6-8394-fb29f3ac57c7/question/f4b4cef7f68712c8292e9800bec1c05832f7edf4.png

Question 17

Four students designed and built air propelled rockets that were launched into the air. Their data are recorded in the table.

Which rocket had the greatest acceleration?

Accepted Answer

Rocket 3

Answer

Rocket 2

Answer

Rocket 4

Answer

Rocket 1

Question 18

The picture shows a bicyclist increasing speed while riding down a hill during a bicycle race.

Which statements accurately describe the potential and kinetic energy of this bicyclist?

Accepted Answer

Kinetic energy increases.

Potential energy decreases.

Answer

Kinetic energy increases.

Potential energy remains constant.

Answer

Kinetic energy remains constant.

Potential energy decreases.

Answer

Kinetic energy remains constant.

Potential energy increases.

Question 19

Trees lose water through transpiration, when water evaporates from leaves. The list describes types of tree leaves that help reduce the amount of transpiration.

Which of these is most likely observed in an area experiencing a long-term drought?

Accepted Answer

Trees with leaves that have waxy coverings will be more healthy than trees without wax-covered leaves.

Answer

Trees with leaves without any hairlike structures will be more healthy than trees with leaves covered by hairlike structures.

Answer

Trees with broad leaves will be more healthy than trees with needlelike leaves.

Answer

Trees with broad leaves will be more healthy than trees with small, flat leaves.

Question 20

Two oceanic plates are shown in the image.

Which type of boundary results in the spreading of the oceanic ridge?

Accepted Answer

Divergent boundary

Answer

Convergent boundary

Answer

Subduction boundary

Answer

Transform boundary

Related quizzes

Related quizzes