What process do plants use to make their own food?
Name the three states of matter.
Solid, liquid, and gas
How many stars are in our solar system?
1
What do you call the animal at the top of a food chain? Give an example of one.
What do you call animals that only eat plants?
Herbivores
What happens when you place like poles of two magnets together?
If your shadow is in the west, what time of day is it?
Early morning
What is a "constraint" in engineering?
A limit or restriction that must be considered when designing a solution (like materials, time, or cost).
What percentage of Earth's water is freshwater?
3%
Describe one way humans harm ecosystems and one solution to that problem.
Ex. Pollution, deforestation, overfishing, etc.
Use the list below to answer the question.
1. Pour two 1-liter samples of water into two flasks.
2. Stir 10 grams of salt into the water in one flask.
3. Place a thermometer into the water in each flask.
4. Heat the water in each flask until it boils.
Which question is the student most likely trying to answer?
A. What is the weight of a sample of water?
B. What is the volume of a sample of water?
C. Does mixing salt with water change its temperature?
D. Does mixing salt with water change its boiling point?
D. Does mixing salt with water change its boiling point?
What causes seasons?
Earth revolves around the Sun on the tilt.
You are designing a bridge. What are two things you should think about before building it? Explain why each one is important.
Ex. Materials, length, weight, etc.
Name one type of map and explain what it is used for.
Ex. Topographic, political, resource, climate, etc.
What are the different roles in a food chain?
Producers, consumers, decomposers
What happens to particles in matter when they are heated?
They move faster and spread apart.
What moon phase comes after a waning gibbous?
Describe one positive and one negative effect of electric cars.
Negative: More expensive, takes longer to refuel
Name and describe each step of the water cycle.
Evaporation (liquid to gas)
Condensation (gas to liquid)
Precipitation
In a pond ecosystem, what might happen if all the frogs disappeared?
The insect population (frogs' prey) would increase, and animals that eat frogs would have less food.
What are the two main types of energy? Describe the difference between them.
Kinetic (moving) and potential (stored).
Explain why we can't see the moon in the New Moon phase.
Moon is between the Earth and the Sun, and the side of the Moon facing Earth is not visible
Name a type of technology that is being developed to help reduce pollution and protect the environment.
Ex. Electric cars, solar panels, and wind turbines.