Science VST 4- 3rd Grade Science

During a science experiment, I place one plant in a dark corner and another near a window. I give the plants the same amount of water. What am I trying to test?

• the amount of water

• the number of bugs

• How tall they are

• If they need light to grow

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

Why is it important for scientists to communicate with one another all over the world?

• to copy each other

• to compare data

• They do not

• to decrease waste

An observation is something I can see or prove using my 5 senses. Which of these in an observation?

• The tree is green

• The tree needs to be watered

• An animal ate the leaves

• The tree is old

An inference is a best guess that I make about a situation after making observations. Which of these is an inference based on this picture?

• The sky is cloudy

• The tree is large and so it has large roots

• The grass is green

• The tree is tall

Why is a straw a good model for a plant stem?

• Straws help plants drink

• Straws feel like stems

• straws are straight like stems are

• Straws transport water, just like a stem

The picture shows examples of different types of needles from conifer trees. Needles are forms of leaves. What is the function of a leaf?

• The make food for the plant

• To collect water

• To attract animals

• To make seeds

Tags

NGSS.MS-LS1-6

A tree trunk carries water and nutrients from the roots. What part of a plant is a tree trunk?

• flower

• stem

• leaf

• Fruit

Tags

NGSS.4-LS1-1

Ferns are leafy plants that use spores to reproduce. What does it mean to reproduce?

• To make another new plant

• to absorb water

• to keep bugs away

• To store water

Plants respond to different factors in the environment. Which force is the reason that plants roots grow DOWN?

• Thermal

• Heat

• Light

• Gravity

Tags

NGSS.MS-LS1-5

In fall and winter months, acorns fall from trees to the ground in order to reproduce. What do the acorns do in response to the cold weather?

• they are buried in the ground so nobody can find them

• they remain dormant until warm weather comes

• they break apart to the earth can absorb them

• they do not grow at all

Tags

NGSS.MS-LS1-5