Photosynthesis
Rotation/Revolution
Gravity
Formation of the Solar System
Moon Phases
100

What is the main energy source for Photosynthesis? 

The Sun (sunlight)
100

What type of motion refers to an object spinning in place? 

Rotation

100

What attractive force is based on an object's mass?

gravity

100

Our solar system formed when a cloud of (blank #1) and (blank #2) collapsed in on itself.

blank #1 = gas

blank #2 = dust

100

Why do we see light from the moon?

It's light that's reflected from the sun

200

What are the 2 products of Photosynthesis? 

Oxygen and Glucose
200

What type of motion refers to an object moving around another object? 

Revolution (Revolve)

200

The (blank 1) the distance between 2 objects, the (blank 2) gravitational force exists between them.

blank 1 = greater

blank 2 = less

200

The motion of objects within our galaxy is caused by....

gravity

200

Defines when 3/4 of the moon's surface is illuminated

Gibbous

300

What are the 3 reactants for Photosynthesis to occur?

Water, Sunlight and Carbon Dioxide 

300

How long does it take for the Earth to rotate once? 

24 hours or 1 day 

300

If Earth's mass was doubled, what would happen to an object's weight on Earth?

It would double 

300

The solar system consists of....

The sun & 8 planets
300

How does the moon rotate?

Because of the Earth's gravitational pull.

400

What cell organelle is responsible for the process of Photosynthesis? 

Chloroplasts

400

How long does it take for the Earth to revolve around the Sun once? 

365 days or 1 year

400

The moon's gravity affects the Earth by causing?

The tides.

400

The orbital motions of the objects in the solar system are the direct result of which feature of the Sun?

It's gravitational pull.

400

Explains why we only see the same side of the moon from Earth

Period of Moon's rotation & revolution are almost the same.

500

In the word PHOTOSYNTHESIS, what does PHOTO mean? 

Light

500

Due to its tilt and revolution around the Sun, we experience what on Earth? 

4 Seasons

500

Why does a bicycle move faster when it travels down a hill as opposed to up a hill?

It's moving in the same direction as the Earth's gravitational force.

500

What type of motion causes all matter in the solar system to align in a disc shape with the Sun at its center?

Rotation

500
The celestial motion responsible for lunar phases

Moon's revolution around Earth