NEW
Font size
Worksheets7.2 pgs. 109-111
Total questions: 11
Worksheet time: 3hrs 45mins
Highlight your answers in your book also!
Page 109 2nd to the last paragraph
The indicator BTB is usually blue but turns yellow in the presence of ________.
When someone breathed carbon dioxide into BTB it turned ______ because we exhale carbon dioxide.
oxygen
blue
carbon dioxide
yellow
carbon dioxide
blue
oxygen yellow
Highlight the answers in your workbook also!
last paragraph page 109
One plant was put into yellow BTB. That means the liquid was full of carbon dioxide. The control group is....
The plant with blue BTB
The plant with yellow BTB
The BTB without a plant
Highlight the answers in your workbook also!
last paragraph page 109
One plant was put into yellow BTB. That means the liquid was full of carbon dioxide. The plant was put in the light and the BTB turned blue. Why?
carbon dioxide was decreasing because the plant was using it during photosynthesis
oxygen was decreasing because the plant was using it during photosynthesis
magic
Answer questions 1, 2 and 3 on page 110 of your workbook.
done
not done
Highlight the answers in your workbook also!
page 110 2nd paragraph
All food molecules (carbs, proteins and fats) contain Carbon, Hydrogen and Oxygen. You know that plants use ________ in the light. Hydrogen and Oxygen atoms come from water. The Carbon (C) atoms in the carbon dioxide are used to make _____ molecules/glucose C6H12O6.
oxygen
food
oxygen
protein
carbon dioxide
food
carbon dioxide
fats
Highlight the answers in your workbook also!
Sentence above the picture page 110
What two substances do plants use in a chemical reaction to make food?
carbon dioxide and water
carbon dioxide and soil
oxygen and water
oxygen and soil
Look at the picture and the words underneath it on page 110. What error did the book make when creating the picture?
There are 6 carbon dioxide molecules
there are 8 water molecules instead of 6
there are only 5 oxygen molecules but it should have 6
two answers are correct
three answers are correct
Highlight the answers in your workbook also!
page 111 top paragraph
The reactants of photosynthesis are ______ and _____ and the products of photosynthesis are ______ and ________.
oxygen
water
carbon dioxide
glucose
food
water
oxygen
glucose
carbon dioxide
water
oxygen
glucose
Highlight the answers in your workbook also!
last paragraph page 111
Photosynthesis is the _______ reaction that provides most of the food of the whole _____.
chemical
earth
physical
earth
light
earth
Why did Adele cross the road?
To say “hello from the other side.”
not this one
Why was the math book bummed?
It had a lot of problems.
not this one
