Questions 1–5: Grades K–2
Question 1 of 20
Which of these is a living thing?
Question 2 of 20
What do plants need to grow?
Question 3 of 20
What season comes after winter?
Question 4 of 20
A puppy grows up to look like its parents. This is because of:
Question 5 of 20
What happens to water when it gets very cold?
Questions 6–10: Grades 3–5
Question 6 of 20
What are the three states of matter?
Question 7 of 20
What does the water cycle describe?
Question 8 of 20
Which organism is a decomposer in a food web?
Question 9 of 20
What is the role of the sun in a food chain?
Question 10 of 20
A force that slows moving objects by opposing their motion is called:
Questions 11–15: Grades 6–8
Question 11 of 20
What is the function of the mitochondria?
Question 12 of 20
A plant has a dominant allele for tall (T) and a recessive allele for short (t). What is the phenotype of genotype Tt?
Question 13 of 20
What does Newton's Second Law state?
Question 14 of 20
What process do plants use to convert sunlight into food?
Question 15 of 20
The rock cycle shows that rocks can change from one type to another. Which type of rock forms from cooled magma?
Questions 16–20: Grades 9–12
Question 16 of 20
In a chemical equation, balancing requires:
Question 17 of 20
What is natural selection?
Question 18 of 20
What is a mole in chemistry?
Question 19 of 20
According to Newton's Third Law, when a rocket expels gas downward, the rocket:
Question 20 of 20
What does a p-value of 0.03 mean in a scientific study?