Magnets attract objects made of iron, such as nails and paper clips. They do not attract wood, plastic or paper. Which object would a magnet attract?
- AAn iron nail
- BA wooden spoon
- CA plastic cup
- DA sheet of paper
Magnets attract objects made of iron, such as nails and paper clips. They do not attract wood, plastic or paper. Which object would a magnet attract?
The Sahara is the largest hot desert in the world. It stretches across much of northern Africa. Very little rain falls there, and daytime temperatures can be extremely high. Where is the Sahara?
The tides in the ocean rise and fall mainly because of the pull of the moon’s gravity on Earth’s water. What mainly causes the tides?
“The bridge was closed for repairs. As a result, drivers had to take a longer route into the city.” What relationship does “As a result” show?
Passage: “Coral reefs are sometimes called the rainforests of the sea.” Why might coral reefs be compared to rainforests?
Washing hands with soap for at least 20 seconds removes many germs. Soap breaks up the oily layer that holds germs on the skin, and rinsing washes them away. What is the author’s main purpose?
“By 1900, cities were growing fast. Factories drew workers from farms, and crowded housing led to the spread of disease.” Which cause-and-effect chain does the passage describe?
“At first, the villagers laughed at Ana’s plan to plant trees on the bare hillside. Ten years later, the forest she started prevented a landslide that would have buried the village.” What is the main theme?
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