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Sub Plans_3.23.26
By Newcomer International Center
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Last updated 2 days ago
18 questions
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Look at the picture. What do you see in the picture?
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Pollution is a big problem on beaches and in the ocean around the world. To help solve this problem, people can pick up trash from beaches.
Look at the two pictures of a service project on a beach in India.
What is similar about the two pictures? What is different?
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Some students and teachers pick up trash around their schools. Would you like to participate in cleaning up trash at your school? Why or why not?
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Question 8
8.
What happens when matter changes form?
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Question 12
12.
Where do animals get atoms for new cells?
Assignment 2
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Question 14
14.
What three ingredients do fireworks have?
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Question 16
16.
What element or elements could you use to make fireworks in your favorite color?
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Look at the graph. It shows what kinds of trash are polluting the oceans.
Question 9
9.
Question 10
10.
What happens to water's chemical properties when it freezes?
Question 11
11.
Question 13
13.
Question 15
15.
Question 17
17.
Question 18
18.
How are fireworks today different from fireworks in the past?
Look at the picture. If the mass of the reactants is 500 grams, what is the mass of the products?
100 grams
400 grams
500 grams
1000 grams
What is similar about both physical and chemical changes?
Matter is destroyed in both.
Matter is created in both.
Matter is neither created nor destroyed in both.
Which sentence BEST helps you understand that fireworks were discovered by accident?
"More than 1,000 years ago, two Chinese scientists did an experiment."
"They mixed something called potassium nitrate with an element called sulfur and charcoal, and it exploded."
"Legend says the scientists were trying to make a drink that would help them live forever."
"They realized that by adding other minerals to the powder they could make different colors."
How do scientists make fireworks different colors?
They make the fireworks bigger.
They use different chemicals to make different chemical reactions.
They only use sulfur and charcoal mixed with potassium nitrate.
They make the fireworks more expensive.
What starts the chemical reaction in a firework?
The main fuse is lit.
The flame travels through the lift charge.
The firework shoots through the air.
The chemicals inside start to burn.
