States of Matter
What are the three states of matter?
Solid, liquid, gas
What is the chart that gives information about the elements called?
Periodic table
Which one produces offspring that are different from their parents: sexual or asexual reproduction?
sexual reproduction
What is the purpose of mitosis?
To produce identical cells for growth and development
What is the process plants use to make food from sunlight?
Photosynthesis
What is the process that changes a liquid to a gas?
Boiling or evaporation
What are the negatively charged particles within an atom called?
Electrons
Why do birds have bright coloring and elaborate dances?
to increase reproductive success
What is the shape of a DNA molecule?
double helix or twisted ladder
What is the process that all living things use to make energy from food?
Cellular respiration
Which has more thermal energy, a liquid or a solid?
A liquid
What is the nucleus of an atom made of?
Protons and neutrons
Give an example of an environmental factor affecting the growth of an organism.
e.g. one plant grown in the dark, one grown in the light.
What is a Punnett square used for?
to predict the outcome of a genetic cross
How are photosynthesis and cellular respiration related?
The products of one are the reactants of the other. Or, carbon cycle.
How are the particles moving in a gas compared to a solid?
They are moving faster in a gas.
Dissolving, melting, tearing, boiling, chopping
What is pollination and why is it important?
Moving pollen to the female part of a flower. It is needed to produce seeds.
Give an example of a genetic factor affecting an organism's growth.
e.g. 2 siblings look different.
Give a place where carbon can be found in nature.
Atmosphere, living things, fossils
What is the process that changes a solid directly to a gas?
Sublimation
What are some signs that a chemical change has occurred?
color change, formation of a new solid or gas, temperature change
What is the male part of a flower called, and what does it produce?
Anther/Stamen, produces pollen
If a homozygous recessive parent is crossed with a homozygous dominant parent, what will their offspring be?
heterozygous
Why is photosynthesis important?
It produces food for all living things and oxygen to breathe