1Which stage of the life cycle is when an organism can reproduce?
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Answer: adult
Adults reproduce.
Adults reproduce.
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Daily Practice › Grade 4 Science › October 31, 2026
Archive · October 31, 2026Grade 4 Science: 10 Free Practice Questions
A brand-new set of Grade 4 science practice questions every single day, with the answer and a full explanation for each one. No account, no paywall — tap an answer to check it.
2The condition of the atmosphere in a specific place at a specific time. What term best describes this?
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Answer: weather
Weather is correct. Weather is what the atmosphere is doing at one place at one moment: today's temperature, clouds, wind and rain.
Weather is correct. Weather is what the atmosphere is doing at one place at one moment: today's temperature, clouds, wind and rain.
3Why does a closed lid on a pot of boiling water collect drops on its underside?
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Answer: Water vapor condenses on the cooler lid.
Vapor cools and condenses.
Vapor cools and condenses.
4Which is an example of an inherited trait?
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Answer: the color of a cat's fur
Inherited traits pass from parents.
Inherited traits pass from parents.
5A scientist studies a fish's fins. What is the primary function of this structure?
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Answer: help the fish steer and propel itself through water
A fish's fins help the fish steer and propel itself through water.
A fish's fins help the fish steer and propel itself through water.
6Which simple machine is illustrated by a screw or a jar lid?
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Answer: screw
A screw or a jar lid illustrates a screw, which is an inclined plane wrapped around a cylinder that holds objects together.
A screw or a jar lid illustrates a screw, which is an inclined plane wrapped around a cylinder that holds objects together.
7Which part of Earth acts like the poles of a giant magnet?
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Answer: near the North and South Poles
Earth's magnetic poles are near the geographic poles.
Earth's magnetic poles are near the geographic poles.
8What is a predator?
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Answer: an animal that hunts other animals
Predators hunt prey.
Predators hunt prey.
9Which is a way magnets help recycle?
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Answer: separating steel cans from other trash
Magnets pick out steel.
Magnets pick out steel.
10Which statement below is accurate?
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Answer: In a solar panel powering a calculator, light energy changes into electrical energy.
The accurate statement is: "In a solar panel powering a calculator, light energy changes into electrical energy." The remaining statements each contain an inaccuracy.
The accurate statement is: "In a solar panel powering a calculator, light energy changes into electrical energy." The remaining statements each contain an inaccuracy.
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