WorksheetsLESSON 4-6
Total questions: 17
Worksheet time: 9mins
WHAT IS A BREAKDOWN?
large food molecule is built up to an even larger food molecule
small food molecule is built up to an even larger food molecule
large food molecule is broken down into a smaller molecule
molecules rearrange and form a new substance
___________ ____________ provides the body with energy
French Fries
Nutrients
Exercise and sleep
Food Subunits
Breaking down large food molecules like starch into glucose does or does not provide the body with energy?
Does
Does Not
What is the purpose of digestion?
To lose weight
To give us energy
To give us energy and make new cells
To breakdown food molecules
What is benedict's solution?
A test for Starch
A test for glucose?
A negative test for starch is what color?
Dark Purple
Yellow Brown
Orange
Blue
A positive test for benedict's solution is what color?
Dark Purple
Yellow Brown
Orange
Blue
What is the same about carbohydrates, proteins, and fats?
They all have carbon, hydrogen, and nitrogen.
They are all made of the same number of atoms
They all form long chains from subunits
they all have carbon, hydrogen, and oxygen
When do humans store fat molecules in their bodies?
everytime they eat anything that contains calories
whey eat more calories than they need
when they eat junk food
when they eat food with fat
How do children use food molecules to grow taller?
when they store food molecules as fat
whey they use energy from food molecules, but all of the molecules leave as body waste
they use food molecules they eat to make up new cells without changing the food molecules
they use food molecules they eat to build large molecules to make up new cells
How are rats and humans alike in regards to protein intake?
Rats and humans mainly excrete protein and very little is left in the body
Rats and humans use protein to replenish cells in the body while some is excreted.
Rat and humans love food
Rats and humans have nothing in common
What is an metabolism?
chemical reactions in living things that involve food breaking down and building up new structures.
chemical reactions in living things that doesn't involve food breaking down and building up new structures.
chemical reactions that are at a fast rate
chemical reactions in living things that involve building up new structures.
What is an isotope
an isolated atom
a rare atom that are heavier than normal ones
nitrogen atoms that are heavy
when a student is put in a group by themself.
What is Leucine?
an easily pronounced food molecule
a very tasty type of swedish food
one of 20 amino acids that has dietary importance
a type of isotope
What is true about why plants usually grow in soil?
Plants use their roots to take in food from the soil
Plant use their roots toe take in carbon dioxide from the soil
plants use their roots to take in oxygen from the soil
plants use their roots to take in nutrients and water from the soil
Why is wheatgrass a hydroponic plant?
Because it grows a lot
Because it needs soil
because it grew in sand and paper towel
Because it grew in the dark
What is true about photosynthesis?
plants use carbon dioxide and water in a chemical reaction to make glucose and oxygen
plants convert thermal energy into chemical energy and store the energy in food molecules
It is a chemical reaction used by plants and animals to make food molecules
plants use photosynthesis to make thermal energy
