If a star is considered medium-sized, it is

a) about the size of our sun

b) about half the size of our sun

c) about twice the size of our sun

d) at least five times the size of our sun

How does the mass of any object affect the amount of kinetic energy the object will have as it rolls down an incline plane

What directly influences deep water currents

What do you think caused the changes in finch population and average beak size during the period of abundant rain

How many grams of water are produced from 100 grams of oxygen?

How did early chemists determine which substances were elements? a. by observing chemical reactions b. by finding the atomic mass c. by counting neutrons d. by counting protons

How does temperature affect molecules

The color of Benedictâs solution is blue. What color does it change to in high sugar concentration?

What functional groups of the emulsifying agent provide the hydrophilic character? Do these groups affect the pH?

Which element has atoms that can form single, double, and triplecovalent bonds with other atoms of the same element? (1) hydrogen (3) fluorine (2) oxygen (4) carbon

Which of the following statements best describes the basic structure of an atom? Electrons and protons are in motion around a nucleus that contains neutrons Neutrons are in motion around a nucleus that contains protons and electrons Protons are in