1st Grade Science : 1st Grade Science
Study concepts, example questions & explanations for 1st Grade Science
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Example Questions
Example Question #2 : Physical Science
Select the answer choice that will stick to a magnet.
Bouncy ball
Basketball
Stick
Paperclip
Paperclip
A magnet can stick to metals that are made of iron, cobalt, or nickel. A magnet cannot stick to plastic, wood, rubber, and many other non-metal objects.
A basketball, stick, and bouncy ball are not made out of metal, so they will not stick to a magnet. A paperclip is made out of a magnetic metal so it will stick to a magnet.
Example Question #1 : Physical Science
Select the answer choice that will stick to a magnet.
Nail
Stick of gum
Baseball
Rubber band
Nail
A magnet can stick to metals that are made of iron, cobalt, or nickel. A magnet cannot stick to plastic, wood, rubber, and many other non-metal objects.
A baseball, stick of gum, and rubber band are not made out of metal, so they will not stick to a magnet. A paperclip is made out of a magnetic metal so it will stick to a magnet.
Example Question #2 : Life Science
Plants survive by using their _________ to absorb water. We use a __________ to drink water.
roots; straw
stem; bones
leaves; arms
roots; straw
Plants use their roots to absorb water from the ground to help them survive. Humans also need water to survive and a way we mimic (or copy) the way a plant solves this problem is by using a straw. We use a straw to drink water to help us live.
Example Question #4 : Life Science
The leaves of a water lily float on top of the water because they have a flat bottom. How can we mimic (or copy) plants to float on water?
Humans cannot float
Use a raft
Use our leaves
Use a raft
Humans can copy water lilies and use a raft to float on the surface of the water. The leaves of a water lily float on the surface of the water with their flat bottoms so they can absorb sunlight. We can also float on top of the water but we do not have leaves like plants do.
Example Question #3 : Life Science
What external structures do plants have that help them survive?
Roots, bones, hands, and flowers.
Feet, stems, arms, and flowers.
Roots, stems, leaves, and flowers.
Roots, stems, leaves, and flowers.
Plants have external structures used for survival. Roots are used to absorb water, the stem keeps a plant upright, leaves are used to absorb sunlight and carbon dioxide to make food, and the flowers are used for pollination.
Example Question #1 : Plant And Animal Survival
What is a human problem that can be solved by copying how plants survive?
Bicycle helmets are pretty just like flowers.
Bicycle helmets are hard just like the shell of an acorn.
Bicycle helmets are worn on top of the head just like plants grow above the ground.
Bicycle helmets are hard just like the shell of an acorn.
One human problem that can be solved by mimicking (copying) plants is how we protect our heads on a bicycle. The shells of nuts like the acorn are hard and protect what is inside. Helmets are made to be hard and shaped like our heads to protect us if we fall.
Example Question #4 : Life Science
The thorns on a rose bush help keep predators away. Humans _______ plants and use barbed wire to keep predators away from livestock.
water
mimic
kill
mimic
Humans often mimic plants to solve problems in their everyday life. Livestock such as goats or pigs are prey animals and can be eaten if not protected. The thorns on a rose bush will poke or cut something trying to eat it or climb up it. Barbed wire fences will cut or stick something that tries to climb in or out of the pasture.
Example Question #5 : Life Science
What does it mean to mimic someone or something?
To fight
To copy
To be friendly
To copy
To mimic someone or something means to copy or act the same as. Little brothers and sisters like to mimic or copy older siblings to annoy them! Humans also mimic plants and animals to solve problems.
Example Question #1 : Solve A Human Problem Mimicking How Plants Survive
Humans mimic plants to solve our problems.
False
True
True
This is a true statement. Humans look at how plants use their external parts to survive and copy those features to help us in our own lives.
Example Question #2 : Solve A Human Problem Mimicking How Plants Survive
How are plants useful to humans besides food?
Humans cannot use plants for anything besides food.
Humans can use plants to tell the future.
Humans can mimic plants for survival.
Humans can mimic plants for survival.
Plants are useful to humans because they are able to mimic or copy their structures for survival. We can copy their thorns or the way they float and use that information to make ways for us to do the same things.
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