Copy of 8th Grade MidTerm Review

Front

What does a horizontal line on a distance-time graph indicate?

Back

The object is at rest.

Front

What type of tides are caused by the alignment of the Earth, Moon, and Sun?

Back

Neap Tides.

Front

What is produced when 20 grams of NaOH reacts with 49 grams of H₃PO₄?

Back

60 grams of NaH₂PO₄.

Front

If a student pushes against a wall with 20N of force, what force does the wall exert?

Back

20N of force.

Front

What causes Earth to experience different seasons?

Back

The tilt of Earth's axis as it revolves around the Sun.

Front

Define 'distance-time graph'.

Back

A graph that shows how far an object has traveled over time.

Front

What is the significance of the tilt of Earth's axis?

Back

It affects the seasons by changing the angle of sunlight received.

Front

What is the formula for calculating force?

Back

Force = mass × acceleration (F = ma).

Front

What are Spring Tides?

Back

Tides that occur when the Earth, Moon, and Sun are aligned, resulting in higher high tides.

Front

What is the role of gravity in ocean tides?

Back

Gravity from the Moon and Sun pulls on Earth's water, creating tides.