8th STAAR Review Science Day 1

Front

Why does the sun appear brighter than a giant runaway star when viewed from Earth?

Back

The sun is closer to Earth than the runaway star.

Front

What is the chemical formula for glycerin trinitrate?

Back

C3H5(NO3)3

Front

List four components of the universe in order from smallest to largest.

Back

Planets, stars, nebulae, galaxies.

Front

What are metalloids?

Back

Elements found along the 'staircase' on the periodic table that have properties of both metals and nonmetals.

Front

What type of tide occurs during a full moon?

Back

Spring tide.

Front

What is the primary reason the sun appears brighter than other stars?

Back

Its proximity to Earth.

Front

What is the significance of the Hubble Space Telescope?

Back

It allows scientists to observe distant celestial objects, including runaway stars.

Front

What are the main components of the chemical formula C3H5(NO3)3?

Back

C = 3, H = 5, N = 3, O = 9.

Front

What is a neap tide?

Back

A tide that occurs when the moon is in its first or third quarter, resulting in the least difference between high and low tides.

Front

Define a galaxy.

Back

A massive system of stars, stellar remnants, interstellar gas, dust, and dark matter bound together by gravity.