Poison Hemlock
Lesson 2: What are the effects and dangers of Poison Hemlock?
Objective: Students will understand the effects and dangers of Poison Hemlock.
Students will need: Poison Hemlock crossword maze and Poison Hemlock dot-to-dot.
Vocabulary Review:
toxicity – the amount which a substance can harm a person or animal
noxious – harmful to the body
herbaceous – a plant with a non-woody stem that dies down to the soil level.
biennial - appearing every two years.
herbicide – a substance known to kill plants
Ask, “How many of you have ever pulled up grass or weeds and fed them to cows or horses on the other side of a fence?” Let students share.
Tell students, “There are certain plants that can grow on the sides of roadways that are very harmful to both humans and many animals.”
Ask, “Does anyone remember the name of the plant that we talked about yesterday?” (Let students respond)
Ask, “Who can tell me some of the characteristics of Poison Hemlock? (Let students respond)
Tell students, “Poison hemlock is often found on poorly drained soils, such as ditches, ponds and streams, but maybe found along roads, and edges of fields.”
Tell students, “Poison Hemlock prefers to grow in wet soil, but can survive in dry soil.”
Tell students, “Animals have often eaten poison hemlock and have died within hours. (Let students respond or ask questions if needed.)
Tell students, “It is important to know what poison hemlock looks likes so you don’t feed it to animals and to not let them eat it in the pasture.”
Activity 1:
Pass out the page to each of the students.
Activity 2:
Give each student a copy of the Word Search page.
Name ______
Circle the locations where you would most likely find the growth of Poison Hemlock.
Name ______
Circle the locations where you would most likely find the growth of Poison Hemlock.
Name ______
Find and circle each of the words in the word bank below.
S / I / T / X / I / I / X / P / S / S / E / N / I / U / XI / O / M / O / O / O / H / O / O / I / U / U / E / K / X
E / O / O / K / R / R / K / I / C / I / T / S / X / C / V
I / T / H / O / T / B / V / S / Y / O / C / S / T / O / C
K / I / B / X / S / O / I / O / A / L / R / A / L / L / A
T / L / P / O / O / L / H / N / L / S / H / E / X / M / N
E / O / S / R / X / S / U / O / I / C / A / B / R / E / H
N / S / I / P / L / C / C / U / V / T / E / S / I / H / O
T / H / I / I / A / K / I / S / E / O / O / I / E / N / H
B / N / O / X / I / O / U / S / S / X / E / I / O / O / T
Y / O / O / H / N / R / S / C / T / I / A / C / U / S / S
U / C / B / E / N / Y / T / I / O / C / O / I / S / I / D
K / X / N / H / E / R / B / I / C / I / D / E / O / O / I
I / O / U / C / I / I / U / E / K / T / N / K / C / P / N
H / N / T / X / B / I / X / A / O / Y / I / S / S / O / C
toxicity / noxious / poisonhemlock
biennial / livestock / herbacious
herbicide / poisonous
Name ______
Find and circle each of the words in the word bank below.
S / I / T / X / I / I / X / P / S / S / E / N / I / U / XI / O / M / O / O / O / H / O / O / I / U / U / E / K / X
E / O / O / K / R / R / K / I / C / I / T / S / X / C / V
I / T / H / O / T / B / V / S / Y / O / C / S / T / O / C
K / I / B / X / S / O / I / O / A / L / R / A / L / L / A
T / L / P / O / O / L / H / N / L / S / H / E / X / M / N
E / O / S / R / X / S / U / O / I / C / A / B / R / E / H
N / S / I / P / L / C / C / U / V / T / E / S / I / H / O
T / H / I / I / A / K / I / S / E / O / O / I / E / N / H
B / N / O / X / I / O / U / S / S / X / E / I / O / O / T
Y / O / O / H / N / R / S / C / T / I / A / C / U / S / S
U / C / B / E / N / Y / T / I / O / C / O / I / S / I / D
K / X / N / H / E / R / B / I / C / I / D / E / O / O / I
I / O / U / C / I / I / U / E / K / T / N / K / C / P / N
15 / H / N / T / X / B / I / X / A / O / Y / I / S / S / O / C
toxicity / noxious / poisonhemlock
biennial / livestock / herbacious
herbicide / poisonous