Ilearn

Quiz
•
Science
•
6th Grade
•
Hard
+12
Standards-aligned
Lisa Thompson
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A musk thistle plant was moved into a new environment. The musk thistles grew very well in their new home. Other plants in the area began to die because the musk thistles were taking all the nutrients from the soil.
A scientist discovered the problem and decided to bring in weevils. Weevils eat musk thistles. The weevils ate the musk thistles and greatly reduced their numbers. Some of the plants native to the area began to grow again.
Which statement from the story describes a feedback mechanism that is keeping a population within certain limits?
The musk thistles grew very well in their new home.
A scientist discovered the problem and decided to bring in weevils.
The weevils ate the musk thistles and greatly reduced their numbers.
Some of the plants native to the area began to grow again.
Tags
NGSS.MS-LS2-1
NGSS.MS-LS2-4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Choose the correct words or phrases to fit into the blanks to complete the sentence.
Plants use the process of photosynthesis to make _____________ so that they can __________________________.
Sugar, Make food for consumers
Sugar, Grow and reproduce
Solar energy, Dispose of waste
Oxygen, Stay warm
Tags
NGSS.MS-LS1-6
NGSS.MS-LS2-3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Plants maintain homeostasis (get their needs met) by conducting POSITIVE phototropism. What is that?
When a plant grows toward light.
When a plant grows away from light.
When a plant doesn't move at all.
When a plant wilts.
Tags
NGSS.MS-LS1-6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
This is something introduced to an ecosystem. It can be positive (make more changes) or negative (make less changes)?
The purpose is to help restore an ecosystem to homeostasis (having all their needs met).
Homeostasis
Feedback mechanism
Tomato
Decomposer
Tags
NGSS.MS-LS2-4
5.
LABELLING QUESTION
1 min • 6 pts
List the steps of the scientific method
Form a hypothesis
Communicate results
Draw conclusions
Conduct experiment
Analyze results
Ask a question
Tags
NGSS.MS-PS2-2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Why do plants conduct photosynthesis?
To make light
To make mitochondria
To make glucose
To release carbon dioxide
Tags
NGSS.MS-LS1-6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is a possible impact that air potato plants will have on the everglades?
Populations of native birds will increase.
Native plants will not get enough sunlight.
Biodiversity within the everglades will increase.
The air potato plant will not compete with native plants.
Tags
NGSS.MS-LS2-4
NGSS.MS-LS2-5
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