What is speed The distance an object travels

What is speed? The distance an object travels in a certain amount of time

What is velocity? • The distance an object travels over a certain amount of time + the direction an object goes

What is acceleration? • A change in an object’s velocity

How would you know when WORK is done on an object? • When that object moves a certain distance.

What is potential energy? • The energy of position when an object is NOT moving.

What is Kinetic Energy? • The energy of Motion

The rotation of the Earth causes • Day and Night

The revolution of the Earth around the Sun causes • Change in seasons

The type of tide when the moon is in the new or full moon position is • Spring tide

The type of tide when st the moon is in the 1 rd or 3 Quarter Moon • Neap tide

Antares is 3. 1 light years away. How long will it take light to reach Antares? • 3. 1 years

List two pieces of evidence to support plate tectonic theory: 1. continents fit like a jigsaw puzzle 2. fossils of same animals on different continents

What type of plate boundary forms mountains? (Model with your hands) Convergent

What type of plate boundary forms volcanoes? (Model with your hands) Convergent -Subduction

What type of plate boundary forms ocean ridges? (Model with your hands) Divergent

What type of plate boundary forms earthquakes? (Model with your hands) Transform boundaries

What source of energy begins every cycle / chain / web on Earth? The Sun

What force controls the motion of our solar system? • Gravity

How can weathering, erosion, and deposition change topographic maps? Reduce the elevation of landforms (make mountains smaller and more smooth)

Would the same type or species or many different species help sustain an ecosystem? • Many different species (Biodiversity)

What is the difference between primary and secondary ecological succession? • Primary begins with no land before and lichen taking thousands of years. • Secondary begins with grass and takes hundreds of years.

How would you know if an organism is alive? • If it is composed of cells

Sexual reproduction produces • Diverse offspring

Asexual reproduction produces • Uniform (the same) offspring

Inherited traits are found where in a cell? • The DNA in the nucleus