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16 questions
What do both cells and atoms have in common?
They are both base units
They are both units of life
They are both units of matter
Nothing, they are totally different
If an atom has an atomic number of 10, how many protons and electrons does it have in a neutral atom?
5 protons, 5 electrons
There is no way to tell
10 protons, 15 electrons
10 protons, 10 electrons
Which of the following are characteristics of life?
Movement
Homeostasis
Growth
Eating
What are the two types of bonds?
What is an organism?
Animals and plants
Animals only
A living thing
Fungus
What do scientific laws do?
Explains why something happens
Makes a prediction about the outcome
They do not exist
What do scientific theory do?
Explains why something happens
Makes a prediction about the outcome
They do not exist
Which of the following activities is cohesion responsible for?
Surface tension
Capillary action
Requires a lot of energy to boil
Which of the following activities is adhesion responsible for?
Surface tension
Capillary action
Requires a lot of energy to boil
Which of the following activities is high heat capacity responsible for?
Surface tension
Capillary action
Requires a lot of energy to boil
What is the name for the small subunits that make up macromolecules?
What should be water's pH?
6
2
7
11
What structures can carbon form?
Chains
Polygons
Rings
Lines
What do nucleic acids do?
Store energy
Provide structure
Store genetic infromation
Make up membranes
What do carbohydrates do?
Store energy
Provide structure
Store genetic infromation
Make up membranes
What is lactase?
An enzyme that helps break down food in your mouth
A sugar in milk
A lipid
An enzyme that helps breaks down lactose sugar
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