Day and Night
Vocabulary
Forces
100

a daily _____________ in which the sun is visible in daytime, and the stars are visible during nighttime.

What is a daily pattern?

100

When scientists have new ideas about answers to their questions, they plan investigations and gather _____________ to see if their ideas are supported.

What is evidence?

100

Earth pulls objects, including people, down toward the ground with a force.

What is gravity?

200

a period of time that is 24 hours long and includes daytime and nighttime.

What is a day?

200

When a scientist has new ideas about answers for their questions they plan investigations and gather ______ to see if their ideas are supported.

What is evidence?

200

Because of gravity, people all over Earth experience the same perception of ______, even though Earth is a sphere and spins.

What is up and down?

300

_________ spins once each day. We face the sun in daytime, and we face away from the sun at nighttime.

What is Earth?

300

Scientists pan ______ to answer questions.  They think about what they will observe and record as well as what they will change and what they will keep the same.

What are investigations?

300

Earth pulls objects toward _______ with the force of gravity.

What is the ground?

400

The Earth's spin results in the _____ appearing to rise and set each day just like the sun.

What is the moon?

400

something you observe to be similar over and over again

What is a pattern?

400

At the same time, people who are at different _____ on Earth may experience different objects when they look up.

What are locations?

500
an arrangement of stars as seen from Earth

What is a constellation?

500

It takes Earth one day, or ____ to spin around one time.

What are 24 hours.

500

Gravity is the pull between Earth and other objects, and it acts even without ___.

What is touching?

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