Which cell structure is found in plant cells, but not in animal cells?
A. Cytoplasm
B. Cell Membrane
C. Nucleus
D. Cell Wall
D: Cell Wall
Which sequence represents the levels of organization in a human body from simple to most complex?
A. Cell to Organ to Tissue to Organ System
B. Organ System to Cell to Tissue To Organ
C. Cell to Tissue To Organ To Organ System
D. Tissue to Organ to Organ System to Cell
C: Cell to Tissue to Organ to Organ System
The main function of a plant leaf is to....
A. Absorb water for the plant
B. Perform Photosynthesis
C. Produce Seeds
D. Reproduce Sexually
B: Perform Photosynthesis
What is the function of DNA?
A. Making nutrients through respiration
B. Storing energy for the cell
C. Carrying genetic information
D. Transporting proteins
C: Carrying genetic information
Which is NOT a chemical change?
A. The formation of rust
B. A vinegar-baking soda reaction
C. The condensation of water
D. The browning of an apple
C: The condensation of water
One difference between sound and light waves is that...
A. Sound waves travel much faster
B. Sound waves can travel in space
C. Sound waves carry electromagnetic energy
D. Sound waves carry mechanical energy
D: Sound waves carry mechanical energy
What causes the formation of mountain ranges?
A. Convection currents in the mantle of the Earth
B. Large ocean swells
C. Erosion of rocks and minerals
D. The collision of tectonic plates
D: The collision of tectonic plates
Which layer of the Earth is the thinnest?
A. Mantle
B. Crust
C. Outer Core
D. Inner Core
B: Crust
What is the name of the force that keeps the Earth in orbit around the Sun?
A. Electromagnetic
B. Centrifugal
C. Gravity
D. Friction
C: Gravity
Which has more inertia?
A. A kilogram of foamboard
B. A kilogram of metamorphic rock
C. More information is needed
D. Both are the same
D: Both are the same
Which of the following will increase the acceleration of an object that is pushed by a force?
A. Decreasing the mass of the object
B. Decreasing the force of the object
C. Increasing the mass of the object
D. None of the Above
A: Decreasing the mass of the object
As a candle burns, the chemical energy stored in the wax is transformed into...
A. Heat and Light
B. Heat and Magnetism
C. Electricity and Light
D. Electricity and Magnetism
A: Heat and Light
A paramecium is a single celled organism that needs to ingest food in order to....
A. Release oxygen into the air
B. Get the energy they need to carry their metabolism
C. Protect themselves from predators
D. Adapt to chemicals in the environment
B: Get the energy they need to carry their metabolism
Scientists are able to transfer a section of DNA from one organism into the DNA of another organism by a process called....
A. Pollination
B. Natural Selection
C. Genetic Engineering
D. Selective Breeding
C: Genetic Engineering
The endocrine system produces chemicals that affect body functions. These chemicals are called....
A. Proteins
B. Nutrients
C. Enzymes
D. Hormones
D: Hormones
Which process causes a variety of traits within a species?
A. Photosynthesis
B. Symmetry Expression
C. Sexual Reproduction
D. Homeostasis
C: Sexual Reproduction
Which gas do plants produce from photosynthesis?
A. Hydrogen
B. Oxygen
C. Nitrogen
D. Carbon Dioxide
B: Oxygen
The hydrosphere of the Earth is best described as...
A. A relatively thin layer of rock found in the Earth's crust
B. A layer of Iron and Nickle located in Earth's inner core
C. Water on the Earth's crust and atmosphere
D. Hot magma found in the mantle of the Earth
C: Water on the Earth's crust and atmosphere
Weathering is best defined as...
A. Effects of shadows and light
B. Long Term climate Changes
C. Hot magma seeping from the Earth
D. Breakdown of rocks into minerals
D: Breakdown of Rocks into Minerals
Which object in our solar system is a star?
A. Jupiter
B. Sun
C. Mercury
D. Comet
B: Sun
Infectious diseases are caused by...
A. Microorganisms
B. Food Webs
C. Inherited Genes
D. Poor Diet
A: Microorganisms
What is the purpose of a flower?
A. To produce food for the plant
B. To absorb water for photosynthesis
C. To produce seeds by sexual reproduction
D. To support the plant
A: To produce food for the plant
Which human body system are the lungs a part of?
A. Digestive
B. Circulatory
C. Respiratory
D. Nervous
C: Respiratory
Which group is made up of organisms that are all members of the same kingdom?
A. Dog, Toad, and Mushroom
B. Mold, Pear Tree, and Bacteria
C. Moss, Shark, and Jelly fish
D. Oak Tree, Fern, and Corn
D: Oak Tree, Fern, and Corn
Which biological process is used to repair a wound in human tissue?
A. Cell Division
B. Evolution
C. Circulation
D. Meiosis
A: Cell Division
Compared to water molecules in a piece of ice, water molecules in a drop of liquid water....
A. Form a crystalline structure
B. Move faster
C. Condense at higher temperatures
D. Have less energy
B: Move Faster
Which is an example of potential energy?
A. A stretched rubber band
B. A moving bus
C. Electrons passing through a wire
D. Infrared Radiation
A: A stretched rubber band
Soil is best described as...
A. A mixture of weathered rock and organic material
B. A mixture of rocks and minerals
C. Minerals found in the mantle of the Earth
D. A thick layer of rock found in the Earth's crust
A: A mixture of weathered rock and organic material
One day on Earth is equal to the time it takes
A. The Earth to revolve once
B. The moon to rotate once
C. The Earth to rotate once
D. The sun to rotate once
C: The Earth to rotate once
The tilted axis of of the Earth as it revolves around the sun is the reason why there are....
A. Day and Night
B. Tides
C. Northern Lights
D. Seasons
D: Seasons
A television converts electrical energy to sound and light energy. As this occurs, some energy is....
A. Destroyed
B. Changed to heat
C. Changed to gas
D. Created
B: Changed to heat
What is the term used to describe the sum of all the chemical processes in the human body?
A. Metabolism
B. Entropy
C. Equilibrium
D. Homeostasis
A: Metabolism
A student tests the effect of vitamin C on the growth of tomato plants. They add two grams of vitamin C every time they water one plant, while watering a second plant with just water. What is the dependent variable in this experiment?
A. Whether vitamin C was used
B. The growth of the tomato plant
C. The amount and temperature of soil
D. If one plant flowers or not
B: The growth of the tomato plant
Which term refers to the atmospheric conditions that prevail over an area for a long period?
A. Terrestrial
B. Climate
C. Drought
D. Weather
B: Climate
Which evidence has led scientists to conclude that the Earth is composed of different layers?
A. Analysis of rock samples taken from each layer
B. Measuring the circumference of the Earth
C. Analysis of Seismic Waves
D. Thermal Energy decreases as the waves get deeper
C: Analysis of Seismic Waves
A scientist is dissolving 35 grams of sugar in a beaker containing 200 mL of water at room temperature. What can the scientist do to make the sugar dissolve faster?
A. Increase the amount of sugar
B. Add ice to the beaker
C. Reduce the amount of water
D. Heat the beaker
D: Heat the beaker