UNIT 1 EARTH AND SPACE
Which tool is best used to measure the temperature of air?
A. Ruler
B. Balance
C. Thermometer
D. Graduated cylinder
C. Thermometer
Which characteristic is shared by all living things?
A. They can move from place to place
B. They make their own food
C. They grow and develop
D. They have a backbone
C. They grow and develop
Which statement is part of the cell theory?
A. Cells are only found in plants
B. All cells have a nucleus
C. All living things are made of cells
D. Cells are not living
C. All living things are made of cells
Which tool is used to measure mass?
A. Ruler
B. Balance
C. Thermometer
D. Stopwatch
B. Balance
What causes day and night on Earth?
A. Earth’s revolution around the Sun
B. The Moon’s movement
C. Earth’s tilt
D. Earth’s rotation
D. Earth’s rotation
Which Earth system includes oceans, rivers, and glaciers?
A. Atmosphere
B. Hydrosphere
C. Geosphere
D. Biosphere
B. Hydrosphere
Which statement is true about cells?
A. Only animals are made of cells
B. All living things are made of one or more cells
C. Cells can only be seen without tools
D. Cells are not alive
B. All living things are made of one or more cells
Which cell part is responsible for controlling cell activities?
A. Cell membrane
B. Nucleus
C. Mitochondria
D. Ribosome
B. Nucleus
Which structure is found in plant cells but not animal cells?
A. Nucleus
B. Mitochondria
C. Cell wall
D. Ribosome
C. Cell wall
Why do humans breathe faster during exercise?
A. To cool the body
B. To get more oxygen
C. To remove food
D. To grow muscles
B. To get more oxygen
A student makes a graph showing how temperature changes during the day.
Which variable belongs on the x-axis?
A. Temperature
B. Time
C. Degrees Celsius
D. Weather
B. Time
Which level of organization is made of similar cells working together?
A. Organ
B. Organ system
C. Tissue
D. Organism
C. Tissue
Which organelle releases energy for the cell?
A. Chloroplast
B. Ribosome
C. Mitochondria
D. Vacuole
C. Mitochondria
Plants use water from which Earth system?
A. Atmosphere
B. Biosphere
C. Geosphere
D. Hydrosphere
D. Hydrosphere
Which unit is best used to measure distance?
A. Grams
B. Liters
C. Meters
D. Degrees Celsius
C. Meters
Which type of map shows lines connecting places with the same air pressure?
A. Topographic map
B. Weather map
C. Road map
D. Political map
B. Weather map
Which substance is needed for photosynthesis?
A. Oxygen
B. Carbon dioxide
C. Protein
D. Nitrogen
B. Carbon dioxide
Photosynthesis takes place in the:
A. Mitochondria
B. Nucleus
C. Ribosome
D. Chloroplast
Chloroplast
On a graph, the dependent variable is usually shown on the:
A. Title
B. x-axis
C. y-axis
D. Key
C. y-axis
Which group of organisms makes their own energy using sunlight?
A. Consumers
B. Decomposers
C. Predators
D. Producers
D. Producers
Which instrument is used to measure air pressure?
A. Thermometer
B. Barometer
C. Anemometer
D. Rain gauge
B. Barometer
Why is sweating important for the human body?
A. It helps digest food
B. It helps the body grow
C. It helps remove waste
D. It helps keep body temperature stable
D. It helps keep body temperature stable
Why is it important for organisms to maintain homeostasis?
A. To grow taller
B. To change their environment
C. To survive in changing conditions
D. To reproduce faster
C. To survive in changing conditions
Which process allows plants to make their own food?
A. Respiration
B. Digestion
C. Photosynthesis
D. Decomposition
C. Photosynthesis
Which factor affects both weather and living organisms?
A. Rock type
B. Temperature
C. Soil color
D. Latitude lines
B. Temperature