Main Idea and Key Details Quiz

Read the following passage: "The sun is a star at the center of our solar system. It provides light and heat to the planets orbiting around it." What is the main idea of this passage?

• The sun is a planet.

• The sun is a star that provides light and heat.

• The planets orbit around the moon.

• The sun is the only star in the universe.

Which detail supports the main idea that "The sun is important for life on Earth"?

• The sun is very far from Earth.

• The sun provides light and heat necessary for life.

• The sun is larger than the Earth.

• The sun is a part of the Milky Way galaxy.

What is the main idea of the following text: "Trees are essential to the environment. They provide oxygen, improve air quality, and support wildlife."?

• Trees are only found in forests.

• Trees are important for the environment.

• Trees are used to make paper.

• Trees grow very tall.

Identify a key detail that supports the main idea that "Trees improve air quality."

• Trees can live for hundreds of years.

• Trees absorb carbon dioxide and release oxygen.

• Trees have leaves that change color in the fall.

• Trees are made of wood.

Summarize the following text: "Water is vital for all living things. It makes up a large part of our bodies and is necessary for many bodily functions."

• Water is found in oceans and rivers.

• Water is important for life and bodily functions.

• Water is used for swimming.

• Water is a liquid.

Which key detail supports the main idea that "Water is necessary for many bodily functions"?

• Water is clear and tasteless.

• Water helps regulate body temperature and transport nutrients.

• Water can be found in different forms like ice and steam.

• Water is used in cooking.

What is the main idea of this passage: "Electricity powers many devices we use daily, such as lights, computers, and refrigerators."?

• Electricity is dangerous.

• Electricity is used to power many everyday devices.

• Electricity is invisible.

• Electricity is generated by wind.

Identify a key detail that supports the main idea that "Electricity is used to power many everyday devices."

• Electricity can be stored in batteries.

• Electricity is measured in volts.

• Electricity powers lights, computers, and refrigerators.

• Electricity flows through wires.

Summarize the following text: "The moon affects the tides on Earth. Its gravitational pull causes the ocean levels to rise and fall."

• The moon is made of rock.

• The moon's gravity affects Earth's tides.

• The moon is visible at night.

• The moon orbits the Earth.

Which detail supports the main idea that "The moon's gravitational pull causes the ocean levels to rise and fall"?

• The moon is smaller than the Earth.

• The moon's gravity pulls on the Earth's oceans.

• The moon has craters on its surface.

• The moon is a natural satellite.