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Science Fair Project IdeasEarth Science: Earth, Moon, and Sun (K–2)

The MoonWhy does the Moon rise and set at different times each day?

Do the phases of the Moon affect the weather?

Are animals more active during certain phases of the Moon?

How does my shadow change at night, depending on the phase of the Moon?

Why does the Moon seem to be different sizes at different times during the night?

Do crickets chirp differently, depending on the phase of the Moon?

Can a moondial tell time?

Do phases of the Moon affect how plants grow?

The EarthHow does the sky look from different places on Earth?

Why do we need leap days and leap seconds?

Why do we gain or lose hours as we travel west or east?

What if there were no daylight savings time?

How often can the Sun and Moon be seen in the sky at the same time?

How do scientists know when an eclipse will occur?

How much does the temperature change when the Sun goes behind clouds?

Are lakes affected by the Moon in the same way that oceans are?

How long after the Sun has set does soil at different depths hold its heat?

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The SunDo sundials keep time accurately?

How can I tell what time it is by looking at the sky?

How long does it take for the sky to get bright after the Sun rises?

How long does it take for the sky to get dark after the Sun sets?

How do elevation and landforms affect the time you see sunrise and sunset?

Is the temperature hottest when the Sun is directly overhead?

Does the Sun rise in the same place every morning?

Does paint dry faster in the sun or shade?

How well do different sunscreens protect hot dogs from sunburns?

Can you use sunlight to cook a hot dog?

Do different colors of light affect how fast a solar oven cooks?

How long does soil at three different depths retain heat after the Sun has set?

How does temperature vary on different colors of materials left in the sun?

Which color and type of fabric dries fastest in the sun?

Which type of paper dries fastest in the sun?

Do different kinds of plants grow toward the Sun at the same angle?

Does a bean plant grow tallest if grown in the sun, partial shade, or full shade?

Science Fair Project Ideas

MoREEarth Science: Earth, Moon, and Sun (K–2)