Science · Fourth Grade, Primary · Unit 2: Animal Kingdom · First Semester
A 10-question quiz; after every question you'll see the right answer with an explanation.
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Most animals on Earth have no backbone, such as sponges, jellyfish, worms, insects, and spiders. In this lesson you learn the main groups of invertebrates and how to tell each group apart by its traits.
💡 Tip: A common mistake: counting a spider as an insect. An insect has 6 legs and a body in 3 parts, while a spider has 8 legs and a body in 2 parts.
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An insect has 6 legs and a body in 3 parts: the head, the thorax, and the abdomen, and many insects have wings and antennae. A spider has 8 legs and a body in 2 parts, and it has no wings.
The largest group of invertebrates. They have jointed legs and a hard exoskeleton that protects their body, and the group includes insects, spiders, and crustaceans such as shrimp.
Start the lesson quiz on Study with Ghada: 10 questions from the Science Fourth Grade, Primary question bank. After each answer you'll see the right answer with an explanation, and any questions you miss move to “Review my mistakes” until you master them.
Yes, completely free. They're built on the Science - Grade 4 - Semester 1 lessons in the same order as the book, and every question is reviewed and approved by a teacher before students see it.