Observations & Inferences
Measurement & Data
Science Tools
Solar Ovens
Engineering & Variables
100
100 — What is an observation?
A. A guess about what will happen
B. Something you notice using your senses
C. An explanation of why something happened
D. A question you ask
100 — What is an observation?
A. A guess about what will happen
B. Something you notice using your senses 
C. An explanation of why something happened
D. A question you ask
100
100 — Which is an example of a quantitative observation?
A. The leaf is green.
B. The leaf feels smooth.
C. The leaf is 8 centimeters long.
D. The leaf has a pointed tip.
100 — Which is an example of a quantitative observation?
A. The leaf is green.
B. The leaf feels smooth.
C. The leaf is 8 centimeters long.
D. The leaf has a pointed tip.
100
100 — Which tool is used to measure temperature?
A. Ruler
B. Balance
C. Thermometer
D. Graduated cylinder
100 — Which tool is used to measure temperature?
A. Ruler
B. Balance
C. Thermometer
D. Graduated cylinder
100
100 — What provides the energy that heats a solar oven?
A. Wind
B. Sunlight
C. Rain
D. Soil
100 — What provides the energy that heats a solar oven?
A. Wind
B. Sunlight
C. Rain
D. Soil
100
100 — What is the first step in the engineering process?
A. Create
B. Improve
C. Ask
D. Test
100 — What is the first step in the engineering process?
A. Create
B. Improve
C. Ask
D. Test
200
200 — What is an inference?
A. Something you directly notice
B. A measurement using a tool
C. A conclusion based on observations
D. A prediction about the future
200 — What is an inference?
A. Something you directly notice
B. A measurement using a tool
C. A conclusion based on observations
D. A prediction about the future
200
200 — Which tool would you use to measure the length of a pencil?
A. Thermometer
B. Ruler
C. Graduated cylinder
D. Balance
200 — Which tool would you use to measure the length of a pencil?
A. Thermometer
B. Ruler
C. Graduated cylinder
D. Balance
200
200 — Which tool is used to measure the volume of a liquid?
A. Thermometer
B. Graduated cylinder
C. Ruler
D. Balance
200 — Which tool is used to measure the volume of a liquid?
A. Thermometer
B. Graduated cylinder
C. Ruler
D. Balance
200
200 — What does it mean when a material absorbs energy?
A. It takes in energy.
B. It sends energy away.
C. It measures energy.
D. It blocks all energy.
200 — What does it mean when a material absorbs energy?
A. It takes in energy.
B. It sends energy away.
C. It measures energy.
D. It blocks all energy.
200
200 — What is a hypothesis?
A. A tool used to measure temperature
B. A testable idea about what you think will happen
C. A graph showing results
D. An observation using your senses
200 — What is a hypothesis?
A. A tool used to measure temperature
B. A testable idea about what you think will happen
C. A graph showing results
D. An observation using your senses
300
300 — Complete the sentence: “I infer ___ because I ___.”
A. predicted
B. measured
C. observed
D. classified
300 — Complete the sentence: “I infer ___ because I ___.”
A. predicted
B. measured
C. observed
D. classified
300
300 — Which is an important part of a graph?
A. A title
B. A hypothesis
C. A flashlight
D. A prediction
300 — Which is an important part of a graph?
A. A title
B. A hypothesis
C. A flashlight
D. A prediction
300
300 — Which tool is used to measure mass?
A. Balance scale
B. Thermometer
C. Ruler
D. Graduated cylinder
300 — Which tool is used to measure mass?
A. Balance scale
B. Thermometer
C. Ruler
D. Graduated cylinder
300
300 — What does it mean when a material reflects light or heat?
A. It takes it in.
B. It sends it back.
C. It measures it.
D. It freezes it.
300 — What does it mean when a material reflects light or heat?
A. It takes it in.
B. It sends it back.
C. It measures it.
D. It freezes it.
300
300 — Which is the independent variable?
A. The variable that is measured
B. The variable that is changed on purpose
C. Everything kept the same
D. The final conclusion
300 — Which is the independent variable?
A. The variable that is measured
B. The variable that is changed on purpose
C. Everything kept the same
D. The final conclusion
400
400 — Which statement is an inference?
A. The rock is gray.
B. The rock has a rough surface.
C. The rock is 10 centimeters long.
D. The rock came from a volcano.
400 — Which statement is an inference?
A. The rock is gray.
B. The rock has a rough surface.
C. The rock is 10 centimeters long.
D. The rock came from a volcano.
400
400 — A student measures a rock and records 12 centimeters. What type of observation is this?
A. Qualitative
B. Quantitative
C. Inference
D. Prediction
400 — A student measures a rock and records 12 centimeters. What type of observation is this?
A. Qualitative
B. Quantitative
C. Inference
D. Prediction
400
400 — A scientist wants to measure the temperature inside a solar oven. Which tool should they use?
A. Ruler
B. Balance
C. Thermometer
D. Graduated cylinder
400 — A scientist wants to measure the temperature inside a solar oven. Which tool should they use?
A. Ruler
B. Balance
C. Thermometer
D. Graduated cylinder
400
400 — Why is insulation useful in a solar oven?
A. It helps keep heat inside.
B. It makes the oven darker.
C. It creates sunlight.
D. It measures temperature
400 — Why is insulation useful in a solar oven?
A. It helps keep heat inside.
B. It makes the oven darker.
C. It creates sunlight.
D. It measures temperature
400
400 — Which is the dependent variable?
A. The variable that is changed
B. The variable that is measured or responds to the change
C. A controlled variable
D. The hypothesis
400 — Which is the dependent variable?
A. The variable that is changed
B. The variable that is measured or responds to the change
C. A controlled variable
D. The hypothesis
500
500 — A student sees a puddle on a sunny day and says, “The puddle will be smaller later today..” What is this?
A. Observation
B. Inference
C. Prediction
D. Measurement
500 — A student sees a puddle on a sunny day and says, “The puddle will be smaller later today..” What is this?
A. Observation
B. Inference
C. Prediction
D. Measurement
500
500 — A graph shows that Solar Oven A reached 110°F and Solar Oven B reached 98°F. What can you determine from the graph?
A. Oven B was hotter.
B. Oven A reached a higher temperature.
C. Both ovens reached the same temperature.
D. Oven A did not absorb sunlight.
500 — A graph shows that Solar Oven A reached 110°F and Solar Oven B reached 98°F. What can you determine from the graph?
A. Oven B was hotter.
B. Oven A reached a higher temperature.
C. Both ovens reached the same temperature.
D. Oven A did not absorb sunlight.
500
500 — A scientist needs to measure exactly 50 mL of water. Which tool would be best?
A. Ruler
B. Thermometer
C. Graduated cylinder
D. Balance
500 — A scientist needs to measure exactly 50 mL of water. Which tool would be best?
A. Ruler
B. Thermometer
C. Graduated cylinder
D. Balance
500
500 — Which combination would help a solar oven heat up?
A. Absorb sunlight, reflect sunlight into the oven, and insulate the oven.
B. Block sunlight, release heat, and remove insulation.
C. Add water, block sunlight, and remove the lid.
D. Make the oven colder and allow heat to escape.
500 — Which combination would help a solar oven heat up?
A. Absorb sunlight, reflect sunlight into the oven, and insulate the oven.
B. Block sunlight, release heat, and remove insulation.
C. Add water, block sunlight, and remove the lid.
D. Make the oven colder and allow heat to escape.
500
500 — A group changes the size of their solar oven and measures its temperature. What is the independent variable?
A. Temperature
B. Size of the solar oven
C. Sunlight
D. The thermometer
500 — A group changes the size of their solar oven and measures its temperature. What is the independent variable?
A. Temperature
B. Size of the solar oven
C. Sunlight
D. The thermometer