Nature of Science
Which tool is best for looking at very small objects?
A) Ruler
B) Microscope
C) Thermometer
D) Beaker
B) Microscope
What causes day and night on Earth?
A) The moon rotating
B) The Earth rotating
C) The sun moving
D) The Earth revolving
B) The Earth rotating
Which of these is a producer in a food chain?
A) Lion
B) Mushroom
C) Grass
D) Eagle
C) Grass
Which state of matter has a definite shape and volume?
A) Solid
B) Liquid
C) Gas
D) Plasma
A) Solid
Which of the following is a form of energy?
A) Wind
B) Water
C) Sound
D) Rock
C) Sound
Which of these is a hypothesis?
A) The sky is blue.
B) I think plants grow faster with more sunlight.
C) Water boils at 100°C.
D) Gravity pulls objects down.
B) I think plants grow faster with more sunlight.
Which tool is used to observe stars and planets?
A) Microscope
B) Binoculars
C) Telescope
D) Compass
C) Telescope
What do plants need to make their own food?
A) Water, soil, and animals
B) Sunlight, water, carbon dioxide
C) Sugar, oxygen, sunlight
D) Carbon, wind, soil
B) Sunlight, water, carbon dioxide
What happens when water freezes?
A) It turns into gas
B) It becomes warmer
C) It turns into ice
D) It evaporates
C) It turns into ice
Which energy form comes from the sun?
A) Mechanical
B) Light
C) Sound
D) Nuclear
B) Light
Why do scientists repeat investigations?
A) To get a different result
B) To prove they are right
C) To make sure the results are reliable
D) To win an award
C) To make sure the results are reliable
Which layer of Earth is made of solid rock and includes mountains and valleys?
A) Core
B) Mantle
C) Crust
D) Atmosphere
C) Crust
What is the main function of roots?
A) Make food
B) Help plant reproduce
C) Absorb water and anchor the plant
D) Make seeds
C) Absorb water and anchor the plant
Mixing baking soda and vinegar creates bubbles. What kind of change is this?
A) Physical change
B) Color change
C) Chemical change
D) Freezing
C) Chemical change
Which object transforms electrical energy into sound energy?
A) Flashlight
B) Radio
C) Blender
D) Toaster
B) Radio
What does a conclusion in an experiment describe?
A) The question
B) The tools
C) The results
D) The hypothesis
C) The results
hat causes the phases of the moon?
A) Earth's rotation
B) The moon's distance from the Sun
C) The moon's shape
D) The moon’s position in relation to Earth and the Sun
D) The moon’s position in relation to Earth and the Sun
What is an inherited trait?
A) A skill you learn
B) Something you choose
C) A feature passed from parents
D) A habit
C) A feature passed from parents
Which of these is NOT a physical property?
A) Color
B) Shape
C) Texture
D) Ability to rust
D) Ability to rust
Which of these is an example of potential energy?
A) A ball rolling
B) A running child
C) A stretched rubber band
D) A moving car
C) A stretched rubber band
Which shows the correct order of the scientific method?
A) Hypothesis → Question → Results → Experiment
B) Question → Hypothesis → Experiment → Conclusion
C) Results → Experiment → Question → Hypothesis
D) Conclusion → Hypothesis → Question → Experiment
B) Question → Hypothesis → Experiment → Conclusion
What is the main cause of weather on Earth?
A) The moon’s gravity
B) Ocean tides
C) The Sun’s energy
D) Volcanoes
C) The Sun’s energy
In a food chain, which animal is the predator?
A) One that is eaten
B) One that makes food
C) One that hunts other animals
D) One that decomposes matter
C) One that hunts other animals
Which of the following is a mixture?
A) Salt
B) Water
C) Trail mix
D) Sugar
C) Trail mix
Which change shows energy being transferred from one form to another?
A) A balloon deflating
B) Ice melting
C) A toaster turning bread into toast
D) A box sitting still
C) A toaster turning bread into toast