Rounding
Place Values
Diagrams
Grouping/ Ungrouping
Randoms
100
Round 1,345 to the nearest thousand
1,000
100
What is the purpose of photosynthesis?
to make food for the plant
100
What is a herbivore?
an animal that only eats plants
100
Describe a food chain
answers will vary
100
True or False: microorganisms can be seen with the human eye.
false
200
Round 57,234 to the nearest ten
57,230
200
What do plants need to make food? (3 things)
water, carbon dioxide, light
200
What animal eats BOTH plants and animals?
omnivore
200
How is a food web DIFFERENT from a food chain
a food web is made up of many food chains
200
What kind of microorganism can help humans in swallowing and digetsing food?
bacteria
300
Round 145,567,891 to the nearest ten million
15,000,000
300
In a plant, where does photosynthesis take place?
leaves
300
What kind of animal breaks down the tissue of dead organisms?
decomposer
300
In a food chain, what kind of organism would use solar energy as its main source of energy?
producers or plants
300
True or False: some microorganisms act like plants, while others can act like animals.
true
400
Round each addend and then find the answer: 2,789 + 5,668
3,000 + 6,000 = 9,000
400
What material in a plant makes the leaf green?
chlorophyll
400
What is the name of plantlike organisms that break down rotting wood?
fungi
400
In a food pyramid, what percent of energy is passed from one level to the next?
10%
400
What kind of microorganism is bigger than bacteria and has structures that do special jobs?
protist
500
Round each addend and then find the answer: 12,243 - 3,890
12,000 - 4,000 = 8,000
500
What waste product is given off by a plant during photosynthesis?
oxygen
500
Give an example of competition
answers will vary
500
In a food pyramid, what you find at the bottom?
plants/producers
500
What kind of tool can we use to look at microorganisms?
microscope