Reading Comprehension

Mr. Gonzalez's class was worried. The polar bears at the zoo were acting nervous. The oldest bear was swimming all the time. He never rested!

The zookeeper told the kids the problem was noise. The bear reserve was near the highway. The bears heard cars go by. Drivers blew their horns. What could be done?

The class wrote letters to the mayor. The mayor suggested lowering the speed limit for the cars. She also said she could post signs that said, “NO HONKING! It disturbs the bears.” The signs went up and the speed limit was lowered.

The class noticed right away that the bears were napping more. They felt they had made a change using their government.

How did the class solve the polar bears’ problem?

• They used the government to solve it.

• They made phone calls to solve it.

• They ignored the problem.

• They wrote the signs.

Tags

NGSS.MS-ETS1-1

What is the primary function of chlorophyll in plants?

• A) Absorbing water

• B) Absorbing sunlight

• C) Releasing oxygen

• D) Storing nutrients

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Which of the following best describes the process of photosynthesis?

• A) Conversion of glucose into energy

• B) Conversion of sunlight into chemical energy

• C) Conversion of oxygen into carbon dioxide

• D) Conversion of water into oxygen

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

In an experiment, a student measures the temperature of a liquid every minute for 10 minutes. What type of data is the student collecting?

• A) Qualitative data

• B) Quantitative data

• C) Hypothetical data

• D) Theoretical data

Which of the following is a chemical change?

• A) Melting of ice

• B) Boiling of water

• C) Rusting of iron

• D) Breaking of glass

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the role of the mitochondria in a cell?

• A) Protein synthesis

• B) Energy production

• C) DNA replication

• D) Photosynthesis

Tags

NGSS.MS-LS1-2

Which of the following best explains why the sky appears blue?

• A) Reflection of the ocean

• B) Scattering of sunlight by the atmosphere

• C) Absorption of blue light by the atmosphere

• D) Emission of blue light by the sun

What is the main purpose of the scientific method?

• A) To prove hypotheses

• B) To systematically investigate phenomena

• C) To create new scientific laws

• D) To disprove existing theories

Tags

NGSS.MS-PS2-2

Which of the following is an example of a renewable energy source?

• A) Coal

• B) Natural gas

• C) Solar energy

• D) Nuclear energy

Tags

NGSS.MS-ESS3-4

What is the chemical formula for table salt?

Tags

NGSS.MS-PS1-1