Elementary Science

1.Which of the following technological developments came first?

• A.telegraph

• B. Telescope

• C.teletype

• D. Telephone

2.Which of these objects is the farthest from the Sun?

• A.Saturn

• B.Neptune

• C.Kuper belt

• D. 90377 Sedna

Tags

NGSS.MS-ESS1-3

3.What is the larget planet

• A.Jupiter

• B. Saturn

• C.Pluto

• D. Mars

Tags

NGSS.MS-ESS1-3

4.These are living things that use sunlight, chlorophyll, water, and carbon dioxide to produce food.

• A.Autotrophs

• B.consumers

• C.Heterotrophs

• D.Food chain

Tags

NGSS.MS-LS1-6

5. It is described as a lifeline of the body. It is the body’s “pick up” and delivery system.”

• A.Blood

• B. Nervous system

• C.Circulatory system

• D.Heart

6.It carries the oxygen-rich blood to the head, arms, chest, and down to the waist and legs.

• A.Heart

• B.Ventricle

• C.Aorta

• D.Arteries

7. They are the transmitters of messages from the different parts of the body to the brain and vice versa.
A. spinal cord
B. neurons or nerve cells✅
C. brain
D. arteries

• A.Spinal cord

• B. Neuron or nerve cells

• C. Brain ateries

• D. Arteries

8.Refers to a sequence of organisms in a community that constitutes a feeding chain.

• A. Photosynthesis

• B. Ecosystem

• C. Consumers

• D. Food chain

Tags

NGSS.MS-LS2-3

9.Excessive presence of carbon dioxide in the air, trapping heat near the earth’s surface causing a rise in temperature in the environment.

• A. El Nino

• B. Greenhouse effect

• C. Deforestation

• D. Weather disturbance

Tags

NGSS.MS-ESS3-5

10.The Earth’s shield against the sun’s harmful radiation.

• A. Atmosphere

• B.Air

• C.Ozone layer

• D. Forest