When a baby bird flies out of its nest for the first time, it is showing:
a) instinct
b) hibernation
c) genes
d) that it's the best!
What is a) instinct
100
Which of the following is true of mountains?
A. They are built up by waves.
B. They are built up by water carrying sediment away.
C. They are built up when plates push together.
D. They are made by rivers cutting through land
What is C) they are built up when plates push together.
100
When there is a temperature change (change of state) in matter, is this a physical change or chemical change?
What is physical change
100
What is the best way to see cells in a plant?
What is using a microscope
100
How many pairs of chromosomes do you get from your mom? from your dad?
What is 23 from each for a total of 46.
200
Which of the following is found in plant cells but not in animal cells?
a) cytoplasm
b) chloroplast
c) cell membrane
d) nucleus
What is b) chloroplast
200
Which of these land forms were LEAST affected by erosion? A. mesa
B. plain
C. canyon
D. sand spit
What is B) plain because it is already flat.
200
Copper is to conductor as
A. a magnet is to an electromagnet
B. charge is to static electricity
C. switch is to circuit
D. plastic is to insulator
What is D) plastic is to insulator
200
What is the process called when sand is pumped from the ocean back onto shore to restore the beach?
What is beach reclamation or beach restoration
200
When hydrogen and oxygen react they explode and form water. What kind of change is that?
A. physical B. chemical
C. both physical and chemical D. neither physical or chemical
What is B) chemical
300
Which of the following is a beneficial microorganism?
A. staph bacteria that causes boils
B. mold that produces penicillin
C. algae that causes red tide
D. fungus that causes ringworm
What is b) mold that produces penicillin
300
The ring of fire is an area in the Pacific Ocean that many what happen? (2 answers)
What is earthquakes and volcanoes
300
Two balloons move closer when they are placed close together. What is the BEST explanation?
A. They have mixed charges. B. They have the same charge. C. They have opposite charges. D. They are uncharged.
What is C) They have opposite charges
300
What is the best way to see small hairs on a plant? Or to read really small letters?
What is a magnifying glass
300
From what structure do vertebrates get their name?
A. skull B. backbone C. number of legs D. ribs
What is B) Backbone
400
What are the five categories of vertebrates?
What is fish, mammal, bird, reptile, amphibian
400
What causes a tsunami?
What is plates hitting each other in the ocean causing a giant wave
400
Which of the following types of magnets can be switched off when magnetic attraction is not needed?
A. bar magnet B. magnetic field
C. electromagnet D. static magnet
What is C) electromagnet
400
Which landform is carved by running water?
A. sand dune B. canyon C. mountain D. hill
What is a) canyon
400
John knows how to skateboard. Is this an inherited trait or a learned behavior?
What is learned behavior
500
How are plants classified? think: how they (?) and how they (?) water
What is how they reproduce and how they transport water
500
A river delta is a landform that forms at the mouth of a river, where the river flows into an ocean, lake, or reservoir. Deltas form from deposition of sediment carried by a river as the flow leaves its mouth.
Is this a constructive or destructive force?
What is constructive
500
A student measures the mass of a whole orange. He cuts up the orange and measures the mass again. What is TRUE about the orange's mass before and after it was cut up?
A. It was greater when it was whole.
B. It is greater in pieces.
C. It is the same whole or cut up.
D. It is less when it is a whole.
What is C) It is the same whole or cut up.
500
A jetty is a structure that
A. holds back floodwater that would otherwise flow downstream.
B. provides homes for fish and other organisms that live in the ocean.
C. traps sand and small rocks and protects the beach.
D. keeps rising floodwaters within stream channels.
What is C. traps sand and small rocks and protects the beach.
500
Charlie has blue eyes and likes to fish. Which of these traits is an inherited trait?