What type of gas causes global warming ? ( A-H2O
B-Carbon Dioxide
C-Methane
D-Carbon Dioxide and Methane )
D-Carbon Dioxide and Methane
100
What is the atomic number of a Cl atom which has 17 protons and 18 neutrons ?
18
100
Volume can be measured with... ( -balances
-scaled
-graduated cylinders
-water )
graduated cylinders
100
Which of the following is not found in all living cells ? ( -cell membrane
-a nucleus
-DNA
-cytoplasm )
a nucleus
100
_________ are primary consumers that only eat producers. ( -omnivores
-herbivores
-carnivores
-tertiary consumers )
herbivores
200
Which state is most affected by industrial air pollution ? ( -Texas
-Ohio
-Kentucky
-Indiana )
Ohio
200
The nucleus of an atom consists of ______. ( Electrons
- Protons, neutrons, and electrons
- Neutrons
- Protons and neutrons
Protons and neutrons
200
Matter in solids..... ( - vibrates but can't move around
- spreads out
- vibrates and moves all over the place
- stays perfectly still, and is packed in )
vibrates but can't move around
200
Which cell organelle transports materials around the cell ? ( -endoplasmic reticulum
-golgi bodies
-ribosomes
-lysosomes )
endoplasmic reticulum
200
Which food chain is correct ?
-mouse, snake, owl, cricket
-gopher, cat, worms
-human, bear, turtle, tree
-shrub, fly, spider, cat, wolf
shrub, fly, spider, cat, wolf
300
How much of our air pollution comes from motor vehicles, like cars and trucks ? ( -50%
-20%
-80%
-30% )
50%
300
The atomic number of an atom is ______ ( - The number of electrons
- The number of protons
- The number of neutrons
- The number of protons plus the number of neutrons
The number of protons
300
If an object floats in water, it means the object is more dense than the water. ( True or False )
False
300
Which cell organelle changes food into energy? It is the powerhouse of the cell ( -nucleus
-mitochondria
- golgi body
- vacuoles
mitochondria
300
What amount of blood does the body contain ? ( -5-6 oz
-5-6 litres
-1 gallon
-2 pounds )
5-6 litres
400
Fossils are usually found in ( -water
-swamps
-sedimentary rock
-hills )
sedimentary rock
400
What we call a horizontal row on the periodic table._____ ( -group
-family
-cluster
-period )
period
400
Rusting is a Physical or Chemical change ?
Chemical
400
How many cells can fit on the head of a pin ? ( -1 billion
-1 million
-10,000 )
10,000
400
What is the largest organ in the human body ? ( -Skin
-Brain
-Heart
-Large intestine )
Skin
500
Why do you think that natural gas is found on top of oil ? ( -
gas is less dense than oil
-gas filtered in through a crevice in the Earth
-gas got trapped over the oil
-the oil produces natural gas )
gas is less dense than oil
500
Which is NOT a characteristic of a metal ? ( -shiny
-solid
-malleable
-brittle )
brittle
500
What is the measurement of the amount of matter in an object ? ( -mass
-weight
-volume
-density )
mass
500
How can the food chain begin again after the top of the food chain has been reached ? ( -producers
-decomposers
-consumers
-herbivores )
decomposers
500
How many bones are in the human body system ? ( -22
-305
-206
-115 )