Physics
In which medium does sound travel faster?
a. Liquid
b. solid
c. gas
d. same speed as liquid, solid, and gas
b. solid
What do you call an atom that has more protons than electrons?
a)Molecule
b)Isotope
c)Anion
d)Cation
d)Cation
Fungi are plants that lack........:
A. Oxygen
B. Carbon dioxide
C. Chlorophyll
C. Chlorophyll
Definition of Energy Transfer
a. Energy Moving Between 3 objects
b. Energy Moving Between Two Objects Or Systems
c. Energy Moving Between One Object or systems
d. Energy Moving between systems
b. Energy Moving Between Two Objects Or systems
A drop of food coloring spreading out in a cup of water is an example of which transport process?
a)Osmosis
b)Diffusion
c)effusion
b)Diffusion
Which of the following is an air-borne disease?
A. Measles
B. Typhoid
C. Pink eye
A. Measles
If you traveled to Jupiter, what would change?
a. Your weight and mass
b. your weight
c. your mass
d. your height
b. your weight
In a solution of saltwater (a saline solution), salt is the:
a)Solute
b)Solvent
c)Solution
d)colloid
a)Solute
A yellow dust appears on the fingers, whenever we touch the middle of a flower. These tiny yellow grains are one of the most precious substances in nature because they contain the secret of plant life. What is this dust called?
A. Pollen
B. Sperm
C. Spore
A. Pollen
Why would 2 magnets repel each other?
a. They have opposite poles
b. They have like poles
c. The other magnet has less iron
d. None of the above
b. They have like poles
All of the following elements are liquids around room temperature except which one?
(A) Magnesium
(B) Mercury
(C) bromine
(A) Magnesium
Which of the following hormones is a steroid?
A. Estrogen
B. Glucagon
C. Insulin.
A. Estrogen
Which of the following does a simple machine do?
a. allows the users to apply less force over a longer distance
b. reduce the amount of force needed to do work
c. change the direction of the applied force
d. all of the above
d. all of the above
When you change the number of electrons on an atom, you produce a different:
(a) isotope
(b) ion
(c) element
(d) atomic mass
(c) element
Which of the following is/are the main functions of Lymphocytes?
A. Produce antibodies
B. Produce antigens
C. Produce White Blood Cells.
A. Produce antibodies